General Information

Serial #

1961/40

Part Number

2

Total Parts

5

AKA

N/A

Patents

N/A

General Description

Metal mounting bracket with a synthetic (possible) insert.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

18.6 cm

Width

17.9 cm

Height

2.4 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Aviation

Category

Aircraft instruments

Sub-Category

N/A

Manufacturer

AKA

Cooke Troughton Simms

Country

England

State/Province

Unknown

City

Unknown

Context

Country

England

State/Province

Unknown

Period

ca. 1940-1945

Canada

This model device was used by navigators serving in the RAF and the RCAF in the Avro Lancaster and other fighter bombers during the Second World War. (Ref 2)

Function

Provides a stable platform to which the scope of a tail drift sight and its indicator scales can be attached.

Technical

The device was developed during First World War. It made the use of stopwatches to calculate wind impact and pilot error unnecessary and improved the ability of pilots to stay on course. (Ref 3)

Area Notes

Unknown

Details

Markings

Engraved and painted on top: "A.M./ TAIL DRIFT SIGHT/ MARK IV/ REF No 6B/110/ [logo] CTS/ SERIAL No/ 1961/40"

Missing

Appears complete

Finish

Black metal plate with white markings, a brass-coloured circular metal opening, and a brown insert on the proper top.

Decoration

N/A