
All aircrew were required to keep a log of their time in the air, which had to be countersigned by their commanding officer at the end of each month.
Information recorded included:
- Date
- Hour (ie Take-Off Time)
- Aircraft Type and Serial No.
- Pilot
- Duty (eg Navigator, Air Bomber, Wireless Operator etc)
- Remarks (ie Purpose of the Flight [eg Cross Country, Circuits and Landings etc])
- Flying Times [Day / Night]

Extract from JF Myers’ Flying Log Book [Courtesy of Rod Myers]