국내

건교부항공안전본부 http://asms.casa.go.kr
한국항공우주산업진흥협회 http://www.aerospace.or.kr/
한국항공우주연구원 http://www.kari.re.kr/
한국항공우주산업㈜ http://www.koreaaero.com/
방위사업청 http://www.dapa.go.kr/
대한민국공군 http://www.airforce.mil.kr/
대한민국육군 http://www.army.mil.kr/
대한민국해군 http://www.navy.mil.kr/


해외

Sikorsky http://www.sikorsky.com/
Bell Helicopter http://www.bellhelicopter.textron.com/
Ecrocopter http://www.eurocopter.com/
Agusta Westland http://www.agustawestlandinc.com/
MDH http://www.mdhelicopters.com/
Boeing http://www.boeing.com/
AOPA http://www.aopa.org/
ICAO http://www.icao.int/
EAA http://www.eaa.org/
EASA http://www.easa.eu.int/
Helicopter Association International http://www.rotor.com/
Helion http://www.helion-procopter.com/E/StartHelion/start.htm
Acrohelipro http://www.acrohelipro.com/
CHC http://www.chc.ca/
Carson helicopter http://www.carsonhelicopterservices.com/beginning.html
HIS http://www.hsius.com/new/home/default.aspx
Aviationweek http://www.aviationweek.com/
FAA http://www.faa.gov/aircraft/air_cert/design_approvals/transport/Aging_Aircraft/