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B
Disable the WOW logic and put the aircraft systems into the
"AIRBORNE" mode. For retractable gear aircraft, the landing gear logic
should remain in the "EXTENDED" or DOWN position.
Put the TAS and transponder control panels in the ON position. Select
#1 Transponder.
Using TASDIAG, enable the "Ramp Tester Mode" under the "File" drop
down menu. This will place the own aircraft at 50,000 ft. and place the
TAS into a test mode (as seen on the display).
Once "Ramp Tester Mode" is entered, power must be cycled on the KMH/KTA
before any flight.
Using the IFR-201 Ramp Test Set.
Using the IFR-201 Ramp test set, create a scenario to simulate an
approaching Mode C transponder equipped aircraft beginning at 10
NM, at an altitude of 50,500 feet, at a closure rate of +450 KTS and an
altitude rate of 0 FPM. An alternate scenario may be required for some
test sets.
Initiate the intruder test on the TCAS Ramp Tester.
Verify that the intruder symbol corresponds to the scenario in bearing,
distance and relative altitude. Confirm that the audio announcement
agrees with the scenario.
The intruder symbol will begin as an open white diamond with relative
altitude tag of + 05. The bearing should be from the direction of the test
antenna. The intruder will become proximity traffic at 5 NM; The white
diamond will be filled. Finally, the intruder becomes a TA (traffic
advisory) and the symbol will change to a yellow circle.
"TRAFFIC, TRAFFIC" voice announcement should occur around 3.75
NM.
Traffic Display ______,
Using the BFG TT391 Flightline Tester
Turn on the TT391 Tester. Verify that two intruders appear on the traffic
display.
Rev 3, August/2002
NOTE
Traffic Announcement ______.
10609I03.CDL
KMH 880/KTA 870
Page 4-34
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