Avro Anson Mk I:

December 1935 the first production aircraft, the Anson Mk. I, equipped with two Armstrong Siddeley Cheetah IX engines, was rolled out.
RAF Coastal Command squadron No.48 was the first squadron, operational on the first British military aircraft equipped with a retractable landing gear.
The Anson Mk I became the standard patrol and reconnaissance aircraft of both RAF as RAAF.
By the end of the thirties it became obsolete and to slow for it original task, so the Anson became the standard multi engine training aircraft.
>During the beginning of the war the Anson was a tremendous opponent. It proved to have a great resilience
Both Dutch squadron 320 and 321 Coastal Command were equipped with the Anson. It succeeded the old Fokker T-VIIIW. About 17 aircraft were used. The last one being discharged in 1941 from operational service. Several aircraft were still used by 320 squadron for training purposes.
A total of 6706 Anson Mk I were built.

Avro Anson Mk II/ AT-20:

The Mk II was designed as a training aircraft for multi engine training.
it was used for the training of radio-operators, navigators, gunners and pilots.
It differed from the Mk I in the moulded plywood nose, hydraulic powered landing gear and flaps and two Jacobs engines rated 330 hp each.
All Mk IIs were built in Canada by Federal Aircraft Ltd. Totally 1050 Mk II’s were built, Fifty of them went to the USA as AT-20, equipped with Jacobs R-915-7 engines.

Avro Anson Mk III:

The Mk. III differed from the Mk II in being equipped with two Jacobs L-6MB engines. These aircraft, a total of 559 examples, were built, also in Canada.

Avro Anson Mk IV:

The Mk IV was almost identical to the MK III. It differed only in that is was equipped with two Wright R-975-E3 engines. A total of 223 aircraft were built.

Avro Anson Mk V:

The wooden Mk. V was a Canadian development of the Mk I. of which 1070 aircraft were built. The oval cabin windows of the civil aircraft returned and the aircraft was equipped two Pratt & Whitney R-985-AN-12B or -14B engines, rated 450 hp each.

Avro Anson Mk X:

The Uk built Mk X was in fact a Mk I with an enforced cabin floor. It was designed for transport purposes. Totally 103 examples were built.

Avro Anson Mk XI:

In July 1944 a version for passengers and ambulance was released. The fuselage was enlarged and the ceiling was raised, enlarged cabin windows were added. The type was equipped with two Armstrong Siddeley Cheetah XIX engines. Ninety examples were built.

Avro Anson Mk XII::

This type was developed from the Mk XI and equipped with two Armstrong Siddeley Cheetah XV engines, rated 420 hp each. 254 examples were built in two variant, Mk XII series 1 with the original wooden wings and Mk XII series 2 with metal wings.

Post war versions

After the Second World War the production was continued for a while.

Anson C.18

a aircraft for patrol and police duties for Afghanistan and India,

Anson C.19

a transporter built for the RAF and the Avro Nineteen, the civil version of the C.19.

Anson T.20

a trainer for bombers with clear nose, to be used in Rhodesia;

Anson T.21

which was equal to the T.20 but a solid nose

Anson T.22

a radio trainer for the RAF.