L 3 Communications Avionics Systems TRC497 SkyWatch Traffic Advisory System User Manual Pilot s Guide for SKYWATCH SKY497

L-3 Communications, Avionics Systems SkyWatch Traffic Advisory System Pilot s Guide for SKYWATCH SKY497

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Document DescriptionPilots guide part 2 of 2
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Date Submitted2002-01-03 00:00:00
Date Available2002-02-14 00:00:00
Creation Date1999-03-08 12:40:47
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Document TitlePilot's Guide for SKYWATCH SKY497
Document CreatorAdobe PageMaker 6.52
Document Author: Mark Kitzmiller

Operating Instructions
SKY497
Chapter 2
Operating Instructions
Controls & Indicators
Figure 2-1 identifies the major controls and on-screen indicators for the SKY497. Table
2-1 is the legend for figure 2-1 and lists other controls and indicators.
OFF
BRT
+05
16
+02
15
14
1 Power/Brightness
Control Knob
+ 10
13
Test Button 12
11
ABV
HDG
STB
6nm
Altitude Display 10
Mode Button
6 Operating Mode
Button
8 Display Range
Button
Figure 2-1. SKY497 Controls and Indicators
Table 2-1. SKY497 Controls and Indicators
No
Description
Power/Brightness Control Knob (OFF/BRT)
The power/brightness control knob controls power to the SKY497 and
WX-1000 (if installed) and adjusts display brightness.
Vertical Trend Arrow
A vertical trend arrow indicates that the intruder aircraft is ascending
(up arrow) or descending (down arrow) faster than 500 fpm. No arrow
is shown for intruder aircraft in level flight, or for those moving vertically
slower than 500 fpm, or for non-altitude-reporting intruder aircraft.
Traffic Advisory (TA)
A TA consists of a symbol on-screen and a “traffic, traffic” message on
the cockpit speakers or headset. When an intruder aircraft that meets
the TA criteria described in chapter 3 is within the displayed range
(inside or outside of the selected altitude display mode), the
corresponding symbol is this circle located at a position on the screen
that indicates the relative bearing and range of the intruder aircraft.
In general, The SKY497 issues a TA when it detects an intruder aircraft
within 30 seconds of a possible collision, or within a 0.5 nmi horizontal
radius and a ±800 ft relative altitude range of your aircraft.
Pilot’s Guide SKY497 Pilot’s Guide
2-1
Operating Instructions
No
SKY497
Table 2-1. SKY497 Controls and Indicators (Continued)
Description
Data Tag
+ 10
These two digits indicate, in hundreds of feet, the relative altitude of the
intruder aircraft. For example, +10 means the intruder aircraft is
1,000 feet above you. A positive data tag is displayed above the traffic
symbol to emphasize that the intruder aircraft is above your aircraft.
Similarly, a negative data tag is displayed below the traffic symbol. If the
intruder is at the same altitude as your aircraft, 00 will be displayed
above the traffic symbol.
The data tag for a vertically out of range TA stays at the maximum or
minimum altitude number of the current altitude display mode until the
intruder aircraft comes within the altitude limits of the altitude display
mode. The SKY497 only displays data tags for altitude reporting aircraft.
Operating Mode Button Label
STB
This on-screen label identifies the function of the adjacent button. The
>OPR label appears on the standby screen and means go to normal
operating mode. The >STB label appears on the traffic screen and
means go to standby. If your aircraft has a squat switch, the >STB
label only appears when your aircraft is on the ground.
Operating Mode Button
Pressing the operating mode button when it’s labeled >STB switches
the SKY497 out of normal operating mode and into standby. Pressing
the button when it’s labeled >OPR switches the SKY497 out of standby
and into normal operating mode.
Display Range Indicator
6nm
This indicator identifies the currently selected display range (6 or 2
nmi). The indicator does not appear when the SKY497 is in standby.
Display Range Button
This button toggles the SKY497 display range between 6 and 2 nmi as
reflected in the on-screen display range indicator. Pressing the button
when the SKY497 is in standby has no effect.
Heading Flag
HDG
The heading flag appears when the heading input is invalid or missing.
The heading flag will disappear when a valid heading signal is supplied.
The SKY497 will operate with a heading flag, but you may experience
degraded performance, especially during high-rate-of-turn maneuvers.
10 Altitude Display Mode Button
This button changes the SKY497 altitude display mode in the following
order: above, normal, below, normal, etc., as reflected in the on-screen
altitude display mode indicator. Pressing the button when the SKY497 is
in standby has no effect.
2-2
Pilot’s Guide
SKY497
Operating Instructions
Table 2-1. SKY497 Controls and Indicators (Continued)
Description
No
11 Altitude Display Mode Indicator
ABV
This indicator displays the name of the currently selected altitude display
mode: ABV (look up), BLW (look down), or NRM (normal). This indicator
does not appear when the SKY497 is in standby.
12 Test Button
This button starts a SKY497 self test when the SKY497 is in standby.
13 Other Traffic
This symbol represents traffic detected within the selected display range
and altitude display mode that does not generate a TA.
14 Range Rings
The outer range ring represents a distance of 6 nmi from your aircraft
when the display is set on the 6 nmi range, or a distance of 2 nmi when
the display is set on the 2 nmi range. The inner range ring on the 6 nmi
range represents a distance of 2 nmi.
15 Own Aircraft
This symbol represents your aircraft.
16 Out-of-Range Traffic Advisory
An out-of-range TA is one in which the intruder aircraft is beyond the
displayed range. The corresponding symbol is this semicircle located at
a position along the outer range ring that indicates the relative bearing
of the intruder aircraft.
Controls Required with the STORMSCOPE Option:
–
SKYWATCH/STORMSCOPE Mode Switch (not shown)
This remote toggle switch determines whether traffic information or
thunderstorm information is displayed on the screen.
Both the SKY497 and the WX-1000 continue their tracking functions even
if the switch is in the other position. If the SKY497 detects a TA or
generates an error message when the switch is in the STORMSCOPE
position, the display will switch to the traffic screen until the TA or error
message disappears.
–
WX-1000 Maintenance Switch (not shown)
This remote toggle switch (normally installed in the avionics bay) has a
Normal position and an Override (WX-1000 maintenance) position. It
should only be moved to the Override position when the WX-1000
processor is removed or powered down at the circuit breaker, and you
still want to use the SKY497.
Pilot’s Guide
2-3
Operating Instructions
SKY497
Table 2-1. SKY497 Controls and Indicators (Continued)
No
Description
Aural Announcements:
–
“Traffic Traffic”
This aural component of a traffic advisory is announced once over the
cockpit speakers or headset when a TA aircraft is first detected.
–
“Traffic Advisory System Test Passed”
This message is announced once over the cockpit speakers or headset
after the SKY497 has passed an operator-initiated self test.
–
“Traffic Advisory System Test Failed”
This message is announced once over the cockpit speakers or headset
after the SKY497 has failed an operator-initiated self test.
Turn On the SKY497
To avoid power surges that could damage the SKY497 and the optional
WX-1000, start your engines before turning on the SKY497.
1. Turn the OFF/BRT knob clockwise to the desired display brightness.
The BFGoodrich screen (figure 2-2) appears and stays on the display until the poweron self test is complete.
If the SKY497 passes the test, and your aircraft has a squat switch, and your aircraft is
on the ground, the standby screen appears (figure 2-3).
If the SKY497 passes the test, and your aircraft has a squat switch, and your aircraft is
in the air, the traffic screen appears set on the 6 nmi display range and the normal
altitude display mode (figure 2-4).
If the SKY497 passes the test and your aircraft does not have a squat switch, the
standby screen appears (figure 2-3).
If a Failed screen similar to figure 2-5 appears, refer to the Failure Response section
on page 2-9. (For installations with an ARINC 429 barometric altitude input, turning
on the SKY497 during flight causes a temporary Error 20 message while the system is
syncing up to the 429 data source.)
Run the Operator-Initiated Self Test
You should run the operator-initiated self test before the first flight of the day or as specified
in your Aircraft Operating Manual (AOM).
1. With the SKY497 in standby, press the test button.
The SKY497 begins its self test and the test screen (figure 2-6) appears. Upon
successful completion of the self test, you will hear “Traffic Advisory System Test
Passed” and the display will revert to the standby screen.
2-4
Pilot’s Guide
Operating Instructions
SKY497
OFF
BRT
OFF
BRT
SKY497
Standby
BFGoodrich Avionics Systems,Inc.
TEST
Figure 2-2. BFGoodrich Screen
OFF
-13
+05
OPR
Figure 2-3. SKY497 Standby Screen
BRT
+25
+01
OFF
BRT
SKY497
Failed
E r ro r 1 4 5
Pr o ce s s o r C omm .
+10
TEST
NRM
6nm
Figure 2-4. In-Flight Traffic Screen
2. If you hear “Traffic Advisory System Test Failed” or see a SKY497
Failed screen (figure 2-5), push
the test button again. If it continues to fail, refer to the Failure
Response section on page 2-9.
Figure 2-5. SKY497 Failed Screen
OFF
BRT
+ 10
- 10
-02
3. If you hear “Traffic Advisory System Test Passed” without seeing
the test screen, turn off the
SKY497 using the OFF/BRT knob
and contact your authorized
BFGoodrich Avionics Systems
dealer for troubleshooting help.
Pilot’s Guide
SYSTEM TEST
I N PROGRESS
NRM
6nm
Figure 2-6. Operator-Initiated Test Screen
2-5
Operating Instructions
SKY497
Switch Between Standby and Normal Operating Mode
You must switch out of standby if you want the SKY497 to display traffic information. The
ability to switch out of standby on the ground in conjunction with the above display mode
is especially useful for scanning the airspace around the airport before takeoff.
1. To switch into normal operating mode from the standby screen (figure
2-3), press the button labeled >OPR.
The SKY497 switches out of standby into the above display mode and 6 nmi range.
(See figure 2-7.)
If your aircraft has a squat switch and you don’t manually switch out of standby, the
SKY497 will automatically switch out of standby 8 to 10 seconds after takeoff.
2. To switch into standby from the traffic screen (figure 2-7), press the button
labeled >STB.
The SKY497 goes into standby and the display switches back to the standby screen.
If your aircraft has a squat switch, the >STB button label is not displayed while you’re
airborne and the SKY497 will not go into standby while airborne, but will automatically go into standby 24 seconds after landing. (This delay allows the SKY497 to
remain out of standby during a touch-and-go maneuver.)
Change the Display Range
You can change the display range anytime your aircraft is not in standby.
1. Press the display range button to toggle the display range between 6 & 2
nmi. (See figures 2-7 and 2-8.)
With each press of the button, the screen changes to display the traffic detected
within the chosen display range. The numerical value of the chosen display range (2
nm or 6 nm) is displayed next to the button.
The SKY497 continues to track up to 30 intruder aircraft within its maximum
surveillance range regardless of the display range selected.
OFF
BRT
OFF
BRT
+13
+01
+05
+01
+10
ABV
STB
6nm
Figure 2-7. Traffic Screen Set on 6 nmi Range
2-6
ABV
STB
2nm
Figure 2-8. Traffic Screen Set on 2 nmi Range
Pilot’s Guide
Operating Instructions
SKY497
Change the Altitude Display Mode
You can change the altitude display mode anytime your aircraft is not in standby.
1. Press the altitude display mode button to toggle the altitude display mode
between above, normal, and below.
With each press of the button, the screen changes to display the traffic detected
within the chosen altitude display range. (See figure 2-9.) The name of the chosen
altitude display mode (ABV, NRM, or BLW) is displayed next to the button.
The SKY497 continues to track up to 30 intruder aircraft within its maximum
surveillance range regardless of the altitude display mode selected.
+9000 ft
Intruder Aircraft
Normal (NRM)
6 nmi
Below Display Mode (Look Down) (BLW)
Above Display Mode (Look Up) (ABV)
6 nmi
+2700 ft
0 ft
Own Aircraft
–2700 ft
Not To Scale
–9000 ft
Figure 2-9. Altitude Display Modes
Pilot’s Guide
2-7
Operating Instructions
SKY497
Switch Between SKYWATCH and STORMSCOPE Modes (Optional)
If you have a STORMSCOPE WX-1000 installed with the SKY497, you can switch between
SKYWATCH and STORMSCOPE screens (figures 1-2 and 1-3) using the remote SKYWATCH/STORMSCOPE mode switch. Once in STORMSCOPE mode, you can use the
buttons on the display bezel to control STORMSCOPE functions.
If the SKY497 is in SKYWATCH mode, the display will not
automatically switch into STORMSCOPE mode to display thunderstorms or STORMSCOPE errors: You must use the remote
SKYWATCH/STORMSCOPE mode switch to periodically check
for thunderstorms or STORMSCOPE errors.
The SKY497 does not superimpose SKYWATCH data on top of STORMSCOPE data or vice
versa; however, if the SKY497 is in STORMSCOPE mode and the SKY497 detects a TA, the
display automatically switches back to SKYWATCH mode until the TA goes away. Also, if
the SKY497 is in STORMSCOPE mode and the SKY497 detects a failure, the SKY497 Failed
screen appears with a message to “Press Any Key to Ack.” Pressing any key switches the
SKY497 back to STORMSCOPE mode.
Observe the Display
The SKY497 relies on information obtained from transponders
in nearby aircraft. The SKY497 does not detect or track aircraft
which are not equipped with an operating ATCRBS transponder.
The SKY497 does not track intruder aircraft approaching at a
closure rate greater than 900 knots.
Some traffic within the chosen display range may not be displayed
due to traffic prioritizing or antenna shielding.
Optimum SKY497 performance is realized when intruder aircraft
are reporting their altitude (via a mode C or other altitude
reporting transponder).
2-8
Pilot’s Guide
SKY497
Operating Instructions
Monitor the activity of any traffic displayed. Keep in mind the following points when
watching traffic on the display:
• Traffic Prioritizing – The SKY497 can track up to 30 intruder aircraft simultaneously,
but to reduce clutter, it displays only the 8 most threatening aircraft of those tracked.
• Ground Target Filtering – If your aircraft has a compatible Arinc 429 radio altimeter
connected to the SKY497, TAs and other traffic symbols will not be issued for traffic
detected under 380 ft AGL when your aircraft is below 1,700 ft AGL.
• Refer to chapter 3 for a description of the TA criteria and other factors that affect the
display of traffic symbols.
Respond to Traffic Advisories
Do not attempt evasive maneuvers based solely on traffic information shown on the SKY497 display. Information on the display is
provided to the flight crew as an aid in visually acquiring traffic; it
is not a replacement for ATC and See & Avoid techniques.
When the SKY497 issues a TA, look outside for the intruder aircraft. When you spot an
intruder aircraft, use normal right-of-way procedures to maintain separation.
Turn Off the SKY497 and the Optional WX-1000
1. Rotate the OFF/BRT knob on the display bezel counterclockwise until the
switch turns off.
Failure Response
All errors indicated by a SKY497 Failed screen (figure 2-5) prevent continued operation of
the SKY497 in SKYWATCH mode; however, error #20, Barometric Altitude Input, is a
recoverable error. For example, if you turn on the SKY497 before you turn on the
barometric altitude source, a SKY497 Failed screen will appear with error #20 and
continued operation of the SKY497 in SKYWATCH mode is not possible; but when you
eventually turn on the barometric altitude source, the SKY497 Failed screen will disappear
and operation will return to normal.
Respond to a SKY497 Failed screen as follows:
1. If the Barometric Altitude Input error (#20) occurs, make sure the barometric altitude source has been turned on and given enough time to warm up.
Most #20 errors are due to the failure of equipment external to the SKY497.
2. If any other error occurs, or if error #20 remains after 5 minutes, write
down the error number and description.
3. If you have a STORMSCOPE WX-1000, you can still switch into STORMSCOPE
mode using the remote SKYWATCH/STORMSCOPE mode switch.
Pilot’s Guide
2-9
Operating Instructions
SKY497
4. Remove power from the SKY497 at the circuit breaker.
If you haven’t already manually switched into STORMSCOPE mode, the display will
automatically switch into STORMSCOPE mode once you disconnect power from the
SKY497 regardless of the position of the SKYWATCH/STORMSCOPE mode switch.
5. Contact your authorized BFGoodrich Avionics Systems dealer for troubleshooting help. Be sure to give the troubleshooting personnel the error
number and description that you wrote down in step 2.
Operate the Optional WX-1000 When the SKY497 is Removed
After removing the SKY497 for maintenance, maintenance personnel will install a jumper
plug that will allow continued operation of the WX-1000.
Operate the SKY497 When the Optional WX-1000 is Removed
After removing the WX-1000 for maintenance, maintenance personnel will move the WX1000 maintenance switch to the OVERRIDE (WX-1000 maintenance) position to allow
continued operation of the SKY497.
2-10
Pilot’s Guide
Principles of Operation
SKY497
Chapter 3
Principles of Operation
Introduction
This chapter describes Traffic Advisory (TA) criteria and other factors that affect the display
of traffic symbols. Table 3-1 summarizes the criteria necessary for the SKY497 to display a
TA. Figures 3-1 through 3-3 show the TA zones for various aircraft configurations.
Table 3-1. Ten Situations in Which a Traffic Advisory Will Occur
The SKY497 Will Issue a Traffic Advisory…
And Your
If Your
Aircraft’s
No. Aircraft… Altitude Is…
1 has a radio
altimeter*
AGL
above 2000 ft
And Your
Landing
Gear Is…
below 2000 ft
AGL
5 does not
have a radio
altimeter*
down
up
fixed
10
Sensitivit y Level A
And An Intruder
Aircraft Is Detected…
within a 0.2 nmi horizontal
radius and a ±600 ft relative
altitude
within 15–20 sec. of CPA**
within a 0.55 nmi
horizontal radius and a
±800 ft relative altitude
within 20–30 sec. of CPA**
within a 0.2 nmi horizontal
radius and a ±600 ft relative
altitude
within 15–20 sec. of CPA**
within a 0.55 nmi
horizontal radius and a
±800 ft relative altitude
within 20–30 sec. of CPA**
within a 0.55 nmi
horizontal radius and a
±800 ft relative altitude
within 20–30 sec. of CPA**
Sensitivit y Level B
*Having a radio altimeter means having a compatible Arinc 429 radio altimeter wired to the SKY497 and
providing valid altitude information.
** CPA means Closest Point of Approach.
Sensitivity Levels
The SKY497 uses one of two sensitivity levels, A or B, to determine when to display a TA.
Having two sensitivity levels allows the SKY497 to reduce the number of nuisance TAs
during takeoff and landing (sensitivity level A), and to maximize the detection of TAs
during the cruise phase of your flight (sensitivity level B).
Pilot’s Guide SKY497 Pilot’s Guide
3-1
Principles of Operation
SKY497
Sensitivity Level A
Sensitivity level A consists of two criteria for displaying a TA:
1. The intruder aircraft enters into a cylinder of airspace surrounding your aircraft
defined by a 0.2 nmi horizontal radius and a height of ±600 ft from your aircraft.
(See figures 3-1 and 3-2.)
OR…
2. The intruder aircraft approaches your aircraft on a course that will intercept your
course within 15 or 20 seconds (within 15 seconds for a non-altitude reporting
intruder aircraft; within 20 seconds for an altitude reporting intruder aircraft).
The SKY497 uses sensitivity level A in the following situations:
1. Your aircraft has a radio altimeter and is below 2,000 ft AGL.
2. Your aircraft has no radio altimeter but its retractable landing gear is down. (Sensitivity level A is not used if you have fixed landing gear and no radio altimeter.)
Sensitivity Level B
Sensitivity level B consists of two criteria for displaying a TA:
1. The intruder aircraft enters into a cylinder of airspace surrounding your aircraft
defined by a 0.55 nmi horizontal radius and a height of ±800 ft from your aircraft.
(See figures 3-1 through 3-3.)
OR…
2. The intruder aircraft approaches your aircraft on a course that will intercept your
course within 20 or 30 seconds (within 20 seconds for a non-altitude reporting
intruder aircraft; within 30 seconds for an altitude reporting intruder aircraft).
The SKY497 uses sensitivity level B in the following situations:
1. Your aircraft has a radio altimeter and is above 2,000 ft AGL.
2. Your aircraft has no radio altimeter but its retractable landing gear is up.
3. Your aircraft has fixed landing gear and no radio altimeter.
Audio Inhibit, SKY497
This audio inhibit feature prevents the aural part of TAs, “traffic traffic,” from being
announced during takeoff and landing in order to minimize pilot distraction. The
corresponding TA symbols are still displayed.
The SKY497 uses this audio inhibit feature in the following situations:
1. Your aircraft has a radio altimeter and you’re below 400 ft AGL. (See figure 3-1.)
2. Your aircraft has no radio altimeter but its retractable landing gear is down. (See figure
3-2.) (Audio is not inhibited if you have fixed landing gear and no radio altimeter.)
3-2
Pilot’s Guide
Principles of Operation
SKY497
Intruder Aircraft
0.55 nmi
+800 ft
TA Zone
Above 2,000 ft
(Sensitivity Level B)
–800 ft
This area or 30 seconds*
2,000
Feet
0.2 nmi
This area or 20 seconds**
Ground
Targets
Filtered
+600 ft
–600 ft
TA Zone
Below 2,000 ft
(Sensitivity Level A)
GL
1,700
Feet
SKY497
Audio Inhibited
*20 seconds for non-altitude reporting intruder aircraft
**15 seconds for non-altitude reporting intruder aircraft
400
Feet
Not to Scale
Figure 3-1. TA Zones If Your Aircraft Has a Radio Altimeter
Intruder Aircraft
0.55 nmi
+800 ft
TA Zone
When Landing Gear is Up
(Sensitivity Level B)
–800 ft
This area or 30 seconds*
0.2 nmi
This area or 20 seconds**
+600 ft
–600 ft
TA Zone
When Landing Gear is Down
(Sensitivity Level A)
GL
*20 seconds for non-altitude reporting intruder aircraft
**15 seconds for non-altitude reporting intruder aircraft
SKY497 Audio
Inhibited When
Landing Gear is Down
Not to Scale
Figure 3-2. TA Zones If Your Aircraft Has No Radio Altimeter, But Does Have Retractable
Landing Gear
Pilot’s Guide
3-3
Principles of Operation
SKY497
Intruder Aircraft
0.55 nmi
+800 ft
TA Zone
(Sensitivity Level B)
This area or 30 seconds*
GL
–800 ft
*20 seconds for non-altitude reporting intruder aircraft
Not to Scale
Figure 3-3. TA Zones If Your Aircraft Has Fixed Landing Gear and No Radio Altimeter
Audio Inhibit, GPWS
If your aircraft has a Ground Proximity Warning System (GPWS) interfaced with the
SKY497 and a GPWS alarm occurs, the SKY497 will sense the alarm and delay the aural
“traffic, traffic” component of any TAs issued during the GPWS alarm until the alarm clears.
TA Symbol Duration
The TA symbol remains on screen for a minimum of 8 seconds even if the intruder aircraft
no longer meets the TA criteria as long as the SKY497 continues to track the aircraft.
Ground Target Filtering
Ground target filtering reduces the clutter of visual symbols and aural announcements that
would otherwise be generated for intruder aircraft that are typically present on or near the
ground near airports.
Ground target filtering prevents the issuing of TAs and other traffic symbols for intruder
aircraft determined to be below 380 ft AGL.
The SKY497 uses ground target filtering only if your aircraft has a radio altimeter and you’re
below 1,700 ft AGL.
3-4
Pilot’s Guide
Display Interpretation
SKY497
Chapter 4
Display Interpretation
Introduction
This chapter explains the meaning of several sample screens. If you have a STORMSCOPE
WX-1000 installed, refer to the STORMSCOPE WX-1000 pilot’s guide for interpretation of the
STORMSCOPE screens. The abbreviation CPA used in some of the figures means closest
point of approach.
OFF
+ 10
Traffic Advisory:
Intruder aircraft
at 9 o’clock,
2 nmi away,
200 ft below
you, ascending
at a rate greater
than 500 fpm.
CPA within 20 to
30 seconds.
BRT
Other Traffic:
Intruder aircraft
at 11 o’clock,
5 nmi away,
1,000 ft above
you in level flight.
No immediate
threat.
-02
NRM
6nm
Figure 4-1. Traffic Advisory and Other Traffic
Out-of-Range
Traffic Advisory:
Intruder aircraft
at 9:30, more
than 2 nmi
away, 500 ft
above you,
descending at a
rate greater
than 500 fpm.
CPA within 20 to
30 seconds.
OFF
BRT
+05
BLW
2nm
Figure 4-2. Out-of-Range Traffic Advisory
Pilot’s Guide SKY497 Pilot’s Guide
4-1
Display Interpretation
SKY497
OFF
Other Traffic:
Non-altitudereporting
intruder aircraft
at 7 o’clock,
5 nmi away.
No immediate
threat.
ABV
BRT
STB
6nm
Figure 4-3. Non-Altitude-Reporting Traffic
OFF
BRT
SKY497
Standby
TEST
When in standby,
the SKY497 does
not transmit
interrogations or
track intruder
aircraft. Press
the button labeled
>OPR to begin
tracking intruder
aircraft.
OPR
Figure 4-4. SKY497 Standby Screen
This message
occurs any time
the SKY497
detects an error
that prohibits
further operation
of the SKY497 in
SKYWATCH mode
as long as the
message remains
on the screen.
The TEST label
only appears if the
failure occurred
during standby.
OFF
BRT
SKY497
Failed
E r ro r 2 0
Ba rometric Altitude Inp ut
TEST
STORMSCOPE
Figure 4-5. SKY497 Failed Screen
4-2
Error 20 indicates
that the barometric input is
missing or invalid.
Once valid barometric input
returns, this
screen goes away
and normal operation resumes. All
other errors are
unrecoverable, in
which case you
can switch into
optional
mode, or turn off
the SKY497.
Pilot’s Guide
Specifications
SKY497
Chapter 5
Specifications
Table 5-1. Transmitter Receiver Computer (TRC497) Specifications*
Part Number:
805-10800-001
Size:
Not including mounting tray:
7.62 in (19.36 cm) high
3.56 in (9.04 cm) wide
12.52 in (31.90 cm) deep
Weight:
Not including mounting tray:
8.94 lb (4.06 kg)
Including mounting tray:
9.82 lb (4.45 kg)
Tracking Capability:
Up to 30 intruder aircraft (displays only the 8 highest priority aircraft)
Surveillance Range:
Horizontal tracking radius:
11 nmi maximum
Relative altitude tracking range:
±10,000 ft maximum
Display Ranges:
Horizontal display ranges:
2 and 6 nmi
Relative altitude display ranges:
±2,700 ft (normal mode)
+9,000 ft to -2,700 ft (above mode/look up)
+2,700 ft to -9,000 ft (below mode/look down)
Range Accuracy:
±0.05 nmi (typical)
Bearing Accuracy:
5° RMS (typical); 30° peak error
Altitude Accuracy:
±200 ft
Power Input Requirements:
11 to 34 V dc, 70 W (maximum)
Transmitter Power Output:
40 W peak (nominal)
Operating Temperature:
-55 to +70 °C (-67 to +158 °F)
Storage Temperature:
-55 to +85 °C (-67 to +185 °F)
Operating Altitude:
55,000 ft maximum
Cooling:
Conduction and forced air convection (internal fan)
Certification Compliance:
U.S. FAA TSO C147. Contact BFG for the latest foreign country certifications. Refer
to FSAW 98-04 for Flight Standards Service policy concerning follow-on field approvals.
RTCA Compliance:
DO-160C Category F2-BA(NBM)XXXXXXZBABAUAXXXXXX
*Specifications subject to change without notice.
Pilot’s Guide SKY497 Pilot’s Guide
5-1
Specifications
SKY497
Table 5-2. WX-1000/SKY497 Display Specifications*
Part Number Definition:
78-8060-5900-8 – black bezel
78-8060-5900-9 – gray bezel
Size: (3ATI)
3.37 in (8.56 cm) high
3.37 in (8.56 cm) wide
8.24 in (20.92 cm) deep
Weight:
2.3 lb (1.0 kg)
Power Input Requirements:
+15 and -15 V dc, 0.7 A maximum
Operating Temperature:
-20 to +55 °C (-4 to +131 °F)
Storage Temperature:
-55 to +70 °C (-67 to +158 °F)
Operating Altitude:
55,000 ft maximum
TSO Compliance:
C110a and C113
RTCA Compliance:
DO-160C F1-CA(NBM)XXXXXXZXXXZUAXXXXXX
*Specifications subject to change without notice.
Table 5-3. NY164 Directional Antenna Specifications*
Part Number:
805-10890-001
Size:
1.30 in (3.25 cm) high
6.25 in (15.88 cm) wide
11.00 in (27.94 cm) deep
Weight:
2.3 lb (1.04 kg)
Speed:
Rated to 600 knots (0.9 Mach) @ 25,000 ft
Frequency:
1,030-1,090 MHz
TSO Category:
C118
Environmental Category:
DO-160C F2-AC(CLM)XSFDFSXXXXXXXL(2A)X
Finish:
Gloss white Skydrol resistant polyurethane paint
*Specifications subject to change without notice.
5-2
Pilot’s Guide
Warranty Information
SKY497
Chapter 6
Warranty Information
Introduction
The SKY497 is warranted for 2 years from the date of installation (not to exceed 30 months
from the date of shipment from BFGoodrich Avionics Systems, Inc.) subject to the
following limitations.
Warranty Statement
BFGoodrich Avionics Systems, Inc. (hereinafter called BFGAS) warrants each item of new
equipment manufactured or sold by BFGAS to be free from defects in material and
workmanship, under normal use as intended, for a period of 30 months from date of
shipment by BFGAS to an authorized facility, or 24 months from date of installation by an
authorized facility, whichever occurs first. No claim for breach of warranties will be allowed
unless BFGAS is notified thereof, in writing, within thirty (30) days after the material or
workmanship defect is found.
The obligation of BFGAS shall be limited to replacing or repairing at its factory the
equipment found defective under terms of this warranty certificate; providing that such
equipment is returned in an approved shipping container, transportation charges prepaid,
to BFGAS, Grand Rapids, Michigan, or such other location as BFGAS may authorize.
BFGAS reserves the right to have necessary repairs performed by an authorized agency.
This warranty shall not apply to any unit or part thereof which has not been installed or
maintained in accordance with BFGAS instructions, or has been repaired or altered in any
way so as to adversely affect its performance or reliability, or which has been subjected to
misuse, negligence or accident.
This warranty is exclusive and is accepted by buyer in lieu of all other guaranties or
warranties express or implied, including without limitation the implied warranties of
merchantability and fitness for a particular purpose. Buyer agrees that in no event will
BFGAS liability for all losses from any cause, whether based in contract, negligence, strict
liability, other tort or otherwise, exceed buyer’s net purchase price, nor will BFGAS be liable
for any special, incidental, consequential, or exemplary damages.
BFGAS reserves the right to make changes in design or additions to or improvements in its
equipment without the obligation to install such additions or improvement in equipment
theretofore manufactured.
A Subsidiary of The BFGoodrich Company
Pilot’s Guide SKY497 Pilot’s Guide
6-1
Warranty Information
SKY497
Related Policies and Procedures
a. If the original registered owner of a SKY497 sells the aircraft in which the SKY497 is
installed during the warranty period, the remaining warranty may be transferred.
Written notification of the transaction must be submitted by the initial recipient of
the warranty to:
ATTENTION: WARRANTY ADMINISTRATOR
BFGoodrich Avionics Systems, Inc.
5353 52nd Street, S.E.
Grand Rapids, MI 49588-0873 U.S.A.
b. Equipment must be installed by a BFG Avionics Systems, Inc. authorized dealer or
installer. Installation of equipment by facilities not specifically authorized will void the
equipment warranty.
c. Notice of a claimed product defect must be given to BFG Avionics Systems, Inc. or a
designated BFG Avionics Systems, Inc. service agency within the specified warranty
period.
d. A product which is defective in workmanship and/or material shall be returned to
BFG Avionics Systems, Inc. via any authorized dealer with transportation charges
prepaid. After correction of such defects, the equipment will be returned to the dealer,
transportation prepaid by BFG Avionics Systems, Inc. via surface transportation.
Any other means of transportation must be paid by the customer.
The risk of loss or damage to all products in transit shall be assumed by the party
initiating the transportation of such products. All items repaired or replaced hereunder shall be warranted for the unexpired portion of the original warranty.
e. BFG Avionics Systems, Inc. is in no way obligated or responsible for supporting or
participating in the costs of the installation warranty. The entire responsibility lies
with the BFG Avionics Systems, Inc. authorized dealer making the installation. BFG
Avionics Systems, Inc. is only responsible for the product warranties outlined in the
warranty statement.
f. BFG Avionics Systems, Inc. cannot authorize warranty credit for troubleshooting of
other systems in the aircraft in order to reduce noise interference with the SKY497.
6-2
Pilot’s Guide
Record of Important Information
Dealer Information
Name ________________________________________________________
Address ______________________________________________________
Cit y, State, Zip _________________________________________________
Telephone ____________________________________________________
Equipment Information
Date of Purchase _______________________________________________
Installation Date from FAA Form 337 ______________________________
TRC
Model Number ______________________________________________
Part Number ________________________________________________
Serial Number _______________________________________________
Firmware Version _____________________________________________
Display
Model Number ______________________________________________
Part Number ________________________________________________
Serial Number _______________________________________________
Directional Antenna
Model Number ______________________________________________
Part Number ________________________________________________
Serial Number _______________________________________________
Note
To ensure that a new or repaired SKY497 meets the TSO, gets
foreign government approval, and meets BFGoodrich Avionics
Systems, Inc. performance standards, your SKY497 must be installed and tested by a BFG-authorized SKY497 dealer.
009-10801-001 (Rev. B, 6/6/00)
BFGoodrich Avionics Systems, Inc.
5353 52nd Street, S.E.
P.O. Box 873
Grand Rapids, MI 49588-0873 USA
(800)253-9525
www.bfgavionics.com

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