Dalton Dead Reckoning Computer Model G Knee Board RCAF PB4Y Privateer

Dalton Dead Reckoning Computer Model G Knee Board RCAF PB4Y PrivateerThis is an Aircraft Navigational Computer, Dalton Dead Reckoning Model G, used by pilots to measure and evaluate their course given flight conditions to identify changes necessary to achieve objectives. It would be strapped to the pilot's leg in flight. It contains the notebook for recording key metrics during a mission. 1950's era. Its former owner was an RCAF F 86 Pilot. The top circular calculator can be flipped open for access to the navigation

multi-component aircraft radio receiving and transmitting system (see 2-page description in photo gallery)

This is a 1930's pre-WWII Drift Sight Type A-3 for aircraft of the Air Corps US Army

BMEP is the acronym for Brake Mean Effective Pressure

The gunner took aim at his target by looking through the glass screen mounted on an optic head the bottom of the sight

We have no way of testing the sextant for correct operation

The rubber cavity for the sextant body has deteriorated with age

transports C-87 and C-45

The horizon sphere rotates freely

25 inches across and ~5 inches long

or patrol observer

The SCR-522 VHF Radio Set was used in various early versions of US Army Air Corps/Force aircraft models such as B-17 and B-25 bombers

Type 6A/675