Vintage RAF Dead Reckoning Computer Mk 4A Air Navigation Flight Calculator

An original Royal Air Force (RAF) Dead Reckoning Computer Mk 4A, a classic British aviation navigation instrument used by RAF aircrew for calculating true airspeed, wind correction, headings, and navigation during flight. Constructed from metal and printed plastic with precision rotating dials and sliding scales, this analogue flight computer is an excellent piece of Cold War-era aviation history.

Manufactured by The London Name Plate Mfg. Co. Ltd., London & Brighton, this authentic RAF navigation computer makes an ideal addition to any collection of military aviation equipment, RAF memorabilia, or vintage cockpit instruments.

Condition: Good vintage pre-owned condition with age-related wear throughout. The calculator remains complete with freely rotating dials and sliding scale. There are surface scratches, marks, light staining, minor edge wear, and age-related discolouration consistent with military use and storage. Printing remains clear and legible. Please study the photographs carefully as they form part of the description.

Details

• Original British RAF Dead Reckoning Computer Mk 4A
• Used for aerial navigation and flight calculations
• Calculates true airspeed, wind correction, heading, and drift
• Rotating circular calculating disc
• Sliding gridded plotting scale
• Marked "Computer Dead Reckoning Mk. 4A"
• Reference No. 6B/2645
• Manufactured by The London Name Plate Mfg. Co. Ltd.
• Metal and plastic construction
• Likely mid-20th century (Cold War period)

Dimensions:

• Length: 28cm
• Width: 12.5cm
• Thickness: 0.5cm