FSC A320 SIDESTICK PRO OEM, Instructor User Manual

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Instructor User Guide
Advanced
Advanced
13 Oct 2017
Page 253
16.4.1.1.3.4 Resolution Advisory (Single Threat) Climb/Descend then
Increase Climb/Descent
Scenario specifics:
•
TCAS generates an RA requiring the crew to climb or descend to avoid conflict.
•
Number of intruders specified in this scenario is 1.
•
Own aircraft V/S recommended max limit +/-1000 fpm.
In this scenario, the crew is required to increase climb/descend to clear the conflict,
due to the maneuver by the threat.
The intruder starts from the direction selected on the Horizontal Position pane and
remains at the same altitude until the time of collision is approximately 100 sec
before the closest point of approach.
The first maneuver of the intruder is computed to allow the intruder to reach a relative
altitude within the RA altitude envelope (which is approximately 100 ft inside the
envelope) and 10 seconds before the intruder enters into the RA range envelope.
During this maneuver, the audio message “TRAFFIC, TRAFFIC” should be heard
initially when the intruder satisfies both TA conditions (i.e. altitude and range).
During the next 15 seconds, the intruder vertical path is computed to target an altitude
100 feet above (or below) the own aircraft altitude at the closest point of approach.
During this next phase, a corrective advisory message should be issued to avoid the
intruder. The crew must follow the corrective advisory rapidly and smoothly without
overshooting the target. The intruder will continue his descent (or climb) at a rate
between 2000 and 2500 feet/minute until 5 seconds after the closest point of approach
and stabilize at this altitude.
A second corrective advisory message should be issued to avoid the intruder. The
crew must follow the new corrective advisory rapidly and smoothly without
overshooting the target. No other corrective advisory message will be announced until
the “CLEAR OF CONFLICT” message.