Gyrosyn Induction Compass / Directional Indicator Sperry ID-567/ASN B-52 P-39 as used in the RAF's

as used in the RAF's Cold-War-era Handley Page Victor strategic bomber

as used in large aircraft in both British military and civil service during the 1950's in Reconnaissance/Bomber aircraft such as the Avro Shackleton and English Electric Canberra

SMAMA managed the logistics support for the F-111A

Model 8DJ12LAE

but could be removed)

Gyrosyn Induction Compass / Directional Indicator Sperry ID-567/ASN B-52 P-39 as used in the RAF'sHere is the Induction Compass (Directional) Indicator for the Sperry Gyrosyn Compass system used in a number of Cold War era US Military aircraft such as the B 52 Stratofortress. See location of the instrument in the photo of a B 52 pilots instrument panel taken at Castle Air Museum. The knob turns the compass card when depressed, otherwise the card indicates direction given the appropriate electrical input from the remotely mounted directional gyro.