The Precision Approach Path Indicator - PAPI.
ROYAL AIRCRAFT ESTABLISHMENT FARNBOROUGH (ENGLAND)
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The Precision Approach Path Indicator PAPI is a simple visual aid that has been developed to assist pilots during their approach to landing. It enables pilots to acquire the correct glideslope and subsequently to maintain their position on it, thus ensuring an accurate approach and landing. This paper discusses the operational requirements for current and future needs and shows why the PAPI system best meets these needs. Author
- Terminal Flight Facilities
- Air Navigation and Guidance