လေယာဉ်ပြေးလမ်း: တည်းဖြတ်မှု မူကွဲများ

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; TORA<ref name="Contractions">{{cite web|url=http://www.faa.gov/documentLibrary/media/Order/ND/7340.1Z.pdf|title=Order JO 7340.1Z: Contractions|format=[[PDF]]|publisher=[[Federal Aviation Administration]]|date=March 15, 2007}}</ref>
TODATakeoff Distance Available – The length of the takeoff run available plus the length of the clearway, if clearway is provided.(The clearway length allowed must lie within the aerodrome or airport boundary. According to the Federal Aviation Regulations and Joint Aviation Requirements (JAR) TODA is the lesser of TORA plus clearway or 1.5 times TORA).ASDAAccelerate-Stop Distance Available – The length of the takeoff run available plus the length of the stopway, if stopway is provided.LDALanding Distance Available – The length of runway that is declared available and suitable for the ground run of an airplane landing.EMDAEmergency Distance Available – LDA (or TORA) plus a stopway.
: .<ref name="FAR25.189(c)">{{Citation|author-link=http://rgl.faa.gov|title=Airplanes: Turbine engine powered: Takeoff limitations|url=http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgFAR.nsf/0/07C875546A87CBCD852566EF006B2242?OpenDocument|accessdate=2009-10-04}}</ref>