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
