Includes notes on visits to British aircraft and engine constructors and others including:
- Admiralty
- Air Ministry
- Airspeed
- Alvis
- Armstrong Siddeley
- Bomber Command
- Bristol
- de Havilland Aircraft
- Sir Geoffrey de Havilland
- Fairey Aviation
- Sir Roy Fedden
- Handley Page
- Hills and Sons
- Jablo Propellers
- Mr Jablonsky
- Martin Baker
- Metropolitan Vickers
- Ministry of Aircraft Production & meetings of the J.A.C sub-committee
- Napier
- Percival Aircraft
- Power Jets
- A. V. Roe
- Rolls-Royce
- Rotols
- Royal Aircraft Establishment
- Short Bros.
- Supermarines
- Taylorcraft
- US Army Air Corps and Col. McCoy
- Vickers
- Westlands