TY - BOOK AU - Flight Standards Service TI - Rotorcraft/ helicopter for private and commercial pilots : : Practical test standards SN - 1-156027-370-4 U1 - 629.133 PY - 1996/// CY - Washington, DC ; Newcastle, WA PB - Office of Flight Operations ; Aviation Supplies & Academics, Inc. KW - Helicopters--Piloting--Handbooks, manuals, etc. KW - Helicopters--Handbooks, manuals, etc. KW - Air pilots--Certification--United States N1 - "FAA-S-8081-HD" Effective April 1, 1996 9Change 1 4/28/97; Change 2 5/21/97 ER -