Accession Number:

AD0672568

Title:

EVALUATION OF FLIGHT DIRECTOR ELEMENTS-RISING RUNWAY, EXPANDED LOCALIZER, AND ROLLOUT STEERING-DURING SIMULATED CATEGORY III-C MANUAL AND SPLIT-AXIS LANDINGS.

Descriptive Note:

Final rept. on Phase 2,

Corporate Author:

BUNKER-RAMO CORP CANOGA PARK CALIF

Personal Author(s):

• Vreuls,D.
• Barnebey,S. F.
• Brown,J. E.
• Nichols,D. E.

Report Date:

1968-02-01

Pagination or Media Count:

100.0

Abstract:

A total of 19 commercial airline pilots flew a total of 684 ILS approaches through rollout without visual cues in a fixed base research simulation of a Boeing 707-720B STIR. Results indicated that both longitudinal and lateral plane performance deteriorated when the expanded localizer operated. With the expanded localizer off, the rising runway improved full manual touchdown performance when it came into view at 200 feet of wheel height 47 successful. Pitch manual split-axis landings were best when the rising runway came into view at 100 feet 66 successful. Vertical plane manual performance was excellent through 50 feet of altitude, but the flare caused problems. Data are presented to show why the flare computation was not compatible with the human pilot, and the need for improved flare computation for human pilot use is discussed. Roll manual split-axis touchdowns were 73 successful manual lateral control was not tight enough to consistently land the simulator on the runway. Autopilot roll axis control to touchdown was the major determinant of rollout success. Following roll automatic touchdowns, the runway steering command slightly improved rollout performance whereas the expanded localizer had little effect. Pilots reported that they would not attempt a Category III landing without a rollout steering command. It was found that the pilots did little in the simulator during the first six seconds to rollout to correct a lateral problem that would cause the simulator to depart the runway spoiler extension and thrust reversing distracted the pilots from accurate steering control. Author

Descriptors:

• *JET TRANSPORT AIRCRAFT
• *ALL WEATHER AVIATION
• INSTRUMENT LANDINGS
• COMMERCIAL AIRCRAFT
• FLIGHT SIMULATORS
• STEERING
• DISPLAY SYSTEMS
• RUNWAYS
• PILOTS
• PERFORMANCE(HUMAN)
• FLIGHT CONTROL SYSTEMS
• AUTOMATIC PILOTS
• AIRCRAFT FLARES

Subject Categories:

• Civilian Aircraft

Distribution Statement:

APPROVED FOR PUBLIC RELEASE