| Manufacturer (Principal): | A. V. Roe & Co. Ltd. Newton Heath, Chadderton Yeadon Factories |
| (Subcontracted to): | N/A |
| Manufacturer Designation | Spec. 18 / 35 |
| Aircraft Mk. | Anson Mk. I |
| RAF Designation: | Anson Mk. I |
| Construction: | Metal fuselage – fabric covered. Metal wings and tail. |
| Crew: | Three |
| Wing Span: | 56ft. 6in. |
| Length: | 42ft. 3in. |
| Height: | 13ft. 1in. |
| Engine: | 350hp Armstrong Siddeley Cheetah IX (2 Nr.) |
| Fuel: | |
| Internal Tanks | 140 gallons. |
| Supplemental Tanks | N/A |
| Maximum: | |
| Weight: | |
| Empty: | 5,375lb. |
| Loaded: | 8,000lb. |
| Range: | 790 miles |
| Bomb Load: | N/A |
| Armament: | Fixed forward ·303 machine gun (1 Nr.) and ·303 machine gun in turret |
| Speed: | |
| Maximum: | 173mph at 7,000ft. |
| Cruising: | 158mph. |
| Service Ceiling Height: | 17,000ft. |
| Initial Rate of Climb: | 720ft / min. |
| Bradwell Bay Service: | |
| Squadron: | 278 |
| Motto: | Ex mare ad referiendum - From out of the sea to strike again |
| Code: | MY |
| Dates: | April – May 1944 |
| Missions: | Air – Sea – Rescue spotter aircraft / delivery of emergency equipment /supplies to downed aircrew |
| Squadron: | 278 (Detachment to RAF Martlesham Heath) |
| Motto: | Ex mare ad referiendum - From out of the sea to strike again |
| Code: | MY |
| Dates: | April – September 1944 |
| Missions: | Air – Sea – Rescue spotter aircraft / delivery of emergency equipment /supplies to downed aircrew |
| Colour Scheme. | Standard RAF Camouflage Dark Slate Grey and Extra Dark Sea Grey upper surfaces. Sky Type S lower surfaces. |
| Aircraft Nickname/s: | “Faithful Annie”, “Annie”. |
| Technical data: Aircraft of the RAF 1918 by Owen Thetford | |