The Effect of Windscreen Bows and Hud Pitch Ladder Format on Pilot Performance during Simulated Flight

During the upgrade of the F-14 to the F-14D, pilots have expressed their concerns regarding the obscuration of the forward field-of-view due to the new Head-up Display (HUD) supports in conjunction with preexisting windscreen bows. An additional issue involves the proposed use of the HUD as the prim...

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Bibliographic Details
Main Authors: Deaton, John E, Barnes, Michael J, Lindsey, Nancy J, Greene, Janettarose L
Format: Report
Language:English
Subjects:
AIRCRAFT
AIRCRAFT CANOPIES
Attack and Fighter Aircraft
ATTITUDE(INCLINATION)
AWARENESS
COCKPITS
DETECTION
DISPLAY SYSTEMS
ENEMY
FLIGHT INSTRUMENTS
FLIGHT SIMULATION
FORMATS
FORWARD AREAS
HEAD UP DISPLAYS
HUMAN FACTORS ENGINEERING
LEVEL(QUANTITY)
LINE OF SIGHT
LPN-A5115116/0012/8241-000-749
OBSCURATION
OPTICAL IMAGES
PERFORMANCE(HUMAN)
PHYSIOLOGICAL DISORIENTATION
PILOTS
PITCH(MOTION)
RECOVERY
ROLL
SPATIAL DISTRIBUTION
TARGET DETECTION
WINDSHIELD BOW
WINDSHIELDS
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Summary:During the upgrade of the F-14 to the F-14D, pilots have expressed their concerns regarding the obscuration of the forward field-of-view due to the new Head-up Display (HUD) supports in conjunction with preexisting windscreen bows. An additional issue involves the proposed use of the HUD as the primary flight reference instrument. The HUD pitch ladder has been criticized for not providing enough information to enhance recovery from unusual attitudes. The purpose of the present study was, therefore, twofold: (1) to measure the levels of 'target' detection with and without windscreen bows, and (2) to measure unusual attitude recovery performance using two different HUD pitch ladder formats - Standard versus Enhanced. During simulated flight, twelve subjects were required to make visual detections of enemy aircraft with and without the windscreen bow. Additionally, subjects were required to recover from various pitch/roll combinations. Keywords: Human factors engineering, Headup display; Pitch ladder; Windscreen bows; Situational awareness; Display formats; Spatial disorientation; Cockpits.