Airbus 320 Performance During ATC-Directed Breakouts on Final Approach,
MASSACHUSETTS INST OF TECH LEXINGTON LINCOLN LAB
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An evaluation of Airbus 320 A320 performance during ATC-directed breakouts was conducted in a two-part study during 1995. Phase I tested performance given existing pilot training and ATC breakout phraseology. Phase II tested the combined effect of proposed ATC phraseology, pilot situational awareness training, and an A320-specific breakout procedure on performance. Pilot training included a briefing and viewing a videotape, but no simulator practice. Turn performance statistics from the Precision Runway Monitor Demonstration Program were used as the test criteria. Pilot preferences regarding procedures and the training material were also elicited. Three conclusions were 1 breakout performance given the tested combination of pilot training and proposed ATC phraseology did meet the test criteria 2 breakout performance given existing procedures did not meet the test criteria and 3 the tested breakout procedure should be refined because it conflicted with other cockpit procedures and increased the transition time to a positive climb rate. Based on the results of this study, it is recommended that a combination of pilot situational awareness training, A320 breakout procedure, and modified ATC breakout phraseology equivalent to that tested in Phase II be employed for simultaneous parallel approach operations in instrument meteorological conditions.
- Flight Control and Instrumentation