Piasecki Helicopter YH-21B USAF Model Helicopter Preliminary Flight Handbook 1953 | Online Manuals

Piasecki Helicopter Preliminary Flight Handbook for the YH-21B USAF Model Helicopter has 103 pages Cover date: March 23, 1953 TABLE OF CONTENTS: I- DESCRIPTION II- NORMAL PROCEDURES III- EMERGENCY PROCEDURES IV- DESCRIPTION & OPERATION OF AUXILIARY EQUIPMENT V- OPERATING LIMITATIONS VI- FLIGHT CHARACTERISTICS VII- SYSTEMS OPERATION VIII- CREW DUTIES IX- ALL WEATHER OPERATION APPENDIX- OPERATING DATA.