Helicopter

ATC - Trial Instructional Flight (TIF) Helicopter

ASA A Pilot’s Guide - Robinson R-22

Ultimate Pilot's Operating Handbook Robinson R44 - by Bastian Liebermann

CASA CPL Helicopter Bell 206L-1 Longranger II Performance and Operating Handbook

Chickenhawk - by Robert Mason

Learning to Fly Helicopters, Second Edition - by R. Randall Padfield

ASA Helicopter Flying Handbook

ASA - Principles of Helicopter Flight