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Aviation Glossary :: Landing Distance Available  Aviation Glossary :: Landing Distance Available FAA Written Test Preparation
Aviation Glossary Welcome to the Dauntless Aviation Glossary!

At Dauntless, our editorial staff maintains the web's largest unified glossary of aviation terms. This glossary is built from a combination of official, quasi-official, and proprietary sources (including original material that we develop oursselves). Uniquely, we often provide multiple definitions of a given term so that you can find that which best applies to you. In order to maximize your learning efficiency, this glossary (and similar ones for our international users) is incresingly fully integrated into our aviation learning apps, including our FAA written test prep and FAA practical test prep software and apps. If you like this glossary, you'll love them with their polished learning environments and world's best and clearest content (please do give them a try.).

Landing Distance Available
Landing Distance Available
ICAO defines LDA as the length of runway, that is declared available and suitable for the ground run of an airplane landing.
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source: FAA Instrument Procedures Handbook (FAA-H-8083-16)

The length of runway which is declared available and suitable for the ground run of an aeroplane landing.
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source: FAA Pilot/Controller Glossary

The runway length declared available and suitable for a landing airplane.
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source: FAA Pilot/Controller Glossary

LANDING DISTANCE AVAILABLE (LDA):
  • ICAO: The length of runway which is declared available and suitable for the ground run of an airplane landing.
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source: ICAO Aviation Chart Glossary

LDA: the actual length of runway which can be used for landing and roll-out. This is a key consideration for pilots when considering which alternate airport to choose for a diversion, especially towards the beginning of a flight when the aircraft is heavy with fuel and if, for example, one engine is operating at idle resulting in the thrust reversers being unavailable or only partly available. All these factors will increase the landing distance required with the necessary safety margin and may be compounded by a wet or icy runway surface, which will reduce the braking coefficient and increase the stopping distance. In addition, the LDA may be reduced due to work being carried out on the runway
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source: ICAO English Pro Aviation Glossary


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Disclaimer: While this glossary in most cases is likely to be highly accurate and useful, sometimes, for any number of editorial, transcription, technical, and other reasons, it might not be. Additionally, as somtimes you may have found yourself brought to this page through an automated term matching system, you may find definitions here that do not match the cotext or application in which you saw the original term. Please use your good judgement when using this resource.


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