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Globe KD6G Firefly

From Wikipedia, the free encyclopedia

KD6G Firefly
Globe KD6G-2 Firefly 1179.jpg
KD6G-2 at the Yanks Air Museum
Role Target drone
National origin United States
Manufacturer Globe Aircraft Corporation
First flight 1951
Retired c. 1965
Primary user United States Navy
Developed from Globe KD2G Firefly

The Globe KD6G Firefly is an American target drone, built by the Globe Aircraft Corporation for operation by the United States Navy during the 1950s and early 1960s.

Design and development

The design of the KD6G was based on the earlier Globe KD2G Firefly target drone, featuring a mid-wing configuration with a twin-fin empennage, but instead of a pulsejet powerplant as in the KD2G the KD6G was fitted with a single piston engine in a tractor configuration. Launched via catapult, the KD6G was radio-controlled during flight, and, if it was not shot down in the course of its mission, would be recovered via parachute.[1]

Operational history

First flying in prototype form in 1951, the KD6G proved successful and was ordered into production in two forms, the KD6G-1 with a McCullough O-100 engine, and the KD6G-2 with a Kiekhaefer V-105 powerplant.[1] Used extensively by the United States Navy during the 1950s in the gunnery training role, the KD6G-2 was redesignated in 1963 in the new unified missile sequence, becoming the MQM-40A before being retired soon thereafter.[1]


Prototype with McCullogh O-100-1 engine[1]
Production version of XKD6G-1[2]
Production version with Kiekhaefer V-105-2 engine[2]
Initial redesignation of KD6G-2[1]
Final redesignation of KD6G-2[1]

Aircraft on display

A KD6G-2 is on display at the Pima Air & Space Museum;[3] another is at the Planes of Fame Air Museum.[1]

Specifications (KD6G-2)

Data from Parsch[1]

General characteristics

  • Crew: None
  • Length: 11 ft 6 in (3.51 m)
  • Wingspan: 11 ft 6 in (3.51 m)
  • Height: 1 ft 7 in (0.48 m)
  • Powerplant: 1 × Kiekhaefer V-105-2 piston engine, 100 hp (75 kW)


  • Maximum speed: 265 mph (426 km/h, 230 kn)
  • Endurance: 60 min

See also

Related development

Aircraft of comparable role, configuration, and era

Related lists



  1. ^ a b c d e f g h Parsch 2002
  2. ^ a b Fahey 1958, p.32.
  3. ^ Globe KD6G-2. Pima Air Museum. Accessed 2013-02-13.


  • Fahey, James Charles (1958). The Ships and Aircraft of the U.S. Fleet (7th ed.). Washington, DC: Ships and Aircraft Publishers. ASIN B000XG6YU6.
  • Parsch, Andreas (2002). "Globe MQM-40 Firefly". Directory of U.S. Military Rockets and Missiles. Retrieved 2013-02-13.
This page was last edited on 22 March 2020, at 04:11
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