Subject
- Civil aviation[remove]24
- Air force6
- Air services agreements6
- Airfields6
- Muscat Civil Air Agreement (1934)6
- Muscat Civil Air Agreement (1947)3
- Landing grounds2
- Aerial photography1
- Airports1
- Civil aircraft1
- Freedom of movement1
- Handley Page H.P. 42 (Transport plane)1
- Seaplanes1
- Second World War (1939-1945)1
- Security of property1
- Short S.8 Calcutta (Seaplane)1