Formation

66 Squadron first formed as a flight at Filton Bristol 24 June 1916. On 2 July 1916 the flight moved to Netheravon and on 30 July 1916 moved again to Filton, coming under 21 Wing and eventually expanding to squadron strength.

A full list of locations and move dates is below.

Aerodromes

Date	Location	Notes
24-Jun-1916	Bristol	Nucleus from 19 Squadron
02-Jul-1916	Netheravon	Flight strength
30-Jul-1916	Filton, Bristol	Squadron strength
03-Mar-1916	Saint Omer	HQ RFC, France
18-Mar-1917	Vert Galant	9 Wing BEF, France
31-May-1917	Estrèe Blanche- Liettres	9 Wing BEF, France
20-Jun-1917	Calais-Wissant-Marquise	Home Defences Group, Home Forces
07-Jul-1917	Estrèe Blanche- Liettres	9 Wing BEF, France
01-Nov-1917	Candas
22-Nov-1917	Milan	51 Wing, 7 Brigade BEF, Italy
29-Nov-1917	Verona	On the racecourse
04-Dec-1917	Grossa	14 Wing BEF from 16-Jan-1918
18-Feb-1918	Treviso
10-Mar-1918	San Pietro in Gu
01-Oct-1918	Arcade
06-Nov-1918	San Pietro in Gu
10-Mar-1919	Yatesbury	28 Wing, UK
29-Mar-1919	Leighterton	Disbanded 25-Oct-1919

Note:
- Estrèe Blanche / Liettres is the one and same location.
- Calais, this was the general area where the aerodrome was located, it was actually at Wissant - Marquise