List of abbreviations ED Decision 2019/012/R (used in CS-HPT-DSN) ASPSL arrays of segmented point source lighting APAPI abbreviated precision approach path indicator CS-ADR-DSN certification specifications for aerodromes design FATO final approach and take-off area HAPI helicopter approach path indicator HFM helicopter (aircraft) flight manual LDAH landing distance available (helicopters) LP luminescent panel MTOM maximum take-off mass PAPI precision approach path indicator RTODAH rejected ta...