TY - BOOK ID - 137757597 TI - Commercial pilot practical test standards for rotorcraft (helicopter and gyroplane). PY - 2013 PB - Washington, DC : U.S. Department of Transportation, Federal Aviation Administration, Flight Standards Service, DB - UniCat KW - Helicopter pilots KW - Aeronautics KW - Autogiros UR - https://www.unicat.be/uniCat?func=search&query=sysid:137757597 AB - ER -