precision approach path indicator
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visual aid for aircraft approaching a runway for landing
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- Precision approach path indicators
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air traffic control
Entity
final approach
Entity
pilot controlled lighting
Entity
NASA
Concept
International Standard Book Number
Entity
incandescent light bulb
Entity
Space Shuttle
Entity
Concorde
Entity
International Civil Aviation Organization
Entity
electric light
Entity
runway
Entity
LED lamp
Entity
instrument landing system
Entity
air traffic controller
Entity
go-around
Entity
airfield traffic pattern
Entity
Civil Aviation Authority
Entity
visual approach slope indicator
Entity
Royal Aircraft Establishment
Entity
approach lighting system
Entity