Compass, Magnetic Direct Reading, US Navy Mark VIII (2) HH-3 Helicopter This indicator appeared in early

This indicator appeared in early versions of the TBM and can be seen in this TBM/F training video at minute 6

Here is a Rapid Response

A flash tube

observers could determine the location of friendly aircraft using triangulation

thus instructing the Trainer to position the guns accordingly

Compass, Magnetic Direct Reading, US Navy Mark VIII (2) HH-3 Helicopter This indicator appeared in earlyHere is a fine example of the US Navy's Aircraft Direct Reading Magnetic Compass Mark VIII, as used in the SBD Dauntless Dive Bomber and the TBM Avenger Torpedo Bomber. This compass was installed above the pilots forehead, see image of the SBD's cockpit showing the location of this compass. This model was designated AN5732 1 later in WWII. The compass was illuminated electrically via bulb (included but operation unknown) mounted in a small compartment