Dempsey TD-3 Beta Lightning

Thomas Dempsey · United States · first flew 1969 · light aircraft

The Dempsey TD-3 Beta Lightning is the second original homebuilt aeroplane design by Thomas Dempsey. One was built.

Recognition (WEFT)

W — WingsLow-mounted, straight
E — Engines2 × piston, wing-mounted
F — FuselageFibreglass fuselage pod with side-by-side seating
T — TailTwin fin

WEFT is AircraftIQ's four-point recognition method — how it works.

Spot it by:

It is a twin-boom, twin-engine monoplane with a fibreglass fuselage pod, fabric-covered wooden-spar wings and tricycle landing gear.

Specifications

Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.

History

The TD-3 was designed to be strong, comfortable and fast, and first flew on 14 September 1969. Its twin-boom, twin-engine layout was loosely based on the Lockheed P-38 Lightning.

Variants

Only one TD-3 Beta Lightning was built, so there were no other versions.

Where you'll see it

It was a homebuilt aircraft powered by two Lycoming IO-320 horizontally opposed piston engines, with a maximum speed of 216 mph.

Related aircraft

AircraftIQ — the aircraft field guide: 8,606 recognition guides, live overhead identification, works offline.