Table 1. Historical brief of PAV models

년도	1917	1937	1949	1966~	1989	2009	2010	2011
모델명	Curtiss Autoplane	Waterman Arrowbile	Aero Car	XM-2, XM-3, XM-4, M200X	eVTOL	Transition	Cora	BlackFly
개발자	Glenn Curtiss	Waldo Waterman	Aerocar Int’l	Paul MollerMoller Int’l	Aurora Flight Sciences	Terrafugia	Kitty Hawk	Opener
주요 특징	· 첫 도로 주행 가능 PAV	· 꼬리날개 없음· 3점식 랜딩기어· 총 5대 생산	· 첫 접이식 날개장착 PAV· 총 6대 생산	· 첫 VTOL식 PAV(XM-2)· 2인승(XM-3,4)· 배터리/Hybrid(XM-4)	· eVTOL· 2인승/9개로터	· CTOL· 非전기추진· 非자율비행· 2인승· 고정익항공기식	· eVTOL· 자율비행· 2인승/로터13개· 멀티콥터-고정익복합형	· eVTOL· 완전자율비행· 1인승/로터8개· 멀티콥터형

Note: BPAV(Boeing PAV) is not the name of the vehicle and Aurora is also not. Aurora Flight Sciences is an subsidiary company of Boeing.
Source: Frost and Sullivan(2017); Robin Lineberger et al.(2018); Web pages of each company.