Table 3. Installation standard amendment

구분	ICAO (육상, PC3)	FAA	Uber	MIT (45ft 기체기준)	Policy Proposal (한국)
	헬기	헬기	UAM	UAM	K-UAM
FATO	1D	1.5D	75ft	1.5D (68ft≒ 21m)	1.5D
TLOF	0.83D	1RD	50ft	1D (45ft≒ 15m)	1D
SA	0.25D (or 3m)	0.3~0.5D	-	20ft (20ft≒ 6m)	20ft
Ground Taxiway	1.5 UCW	2 UCW	-	1.5D	1.5D
주기장 (주기장직경)	1.2D 이상	1.5RD	-	1D	1D

Source : ICAO, FAA, “System Analysis of UAM Operational Scaling”(MIT ICAT), “Here’s How Uber Is Designing Skyports for Future Air Taxis(2020)”(Aviation today).