TY - BOOK ID - 135928109 TI - Commercial pilot, rotorcraft : practical test standards. PY - 2006 PB - Washington, DC : U.S. Dept. of Transportation, Federal Aviation Administration, Flight Standards Service, DB - UniCat KW - Helicopter pilots KW - Aeronautics KW - Autogiros KW - Standards UR - https://www.unicat.be/uniCat?func=search&query=sysid:135928109 AB - ER -