Wizz wheel. A rotating slide rule issued to you on commencement of flying training. A civvy version is the Pooleys CRP-5. Look it up on google mate.
Did AAITC with an ex-booty. Top man, aced the course and now flying as a Civvy Winchman earming a packet and only working a few days a month.(50K+)
Dont discount the light blue though mate.He was had his crown in six years.
