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Douglas AC-47 Spooky: The Birth of the Modern Gunship

The AC-47 was developed from the Douglas C-47 Skytrain, a military transport aircraft derived from the DC-3 commercial airliner.

February 1, 2025

The Douglas AC-47 Spooky was the first dedicated U.S. Air Force gunship, laying the foundation for modern aerial fire support. Nicknamed "Spooky" and sometimes referred to as "Puff the Magic Dragon" due to its ability to unleash devastating firepower, the AC-47 was instrumental during the Vietnam War.


The AC-47 was developed from the Douglas C-47 Skytrain, a military transport aircraft derived from the DC-3 commercial airliner. The idea of converting a transport plane into a gunship emerged from the need for better fire support in counterinsurgency warfare. Instead of relying on traditional dive bombers or attack aircraft, the Air Force sought a platform that could loiter over battlefields for extended periods and deliver continuous suppressive fire.

The aircraft was armed with three M134 7.62mm miniguns, mounted on the port (left) side of the fuselage. These miniguns were capable of firing at a rate of up to 6,000 rounds per minute, creating a relentless stream of bullets. The guns were aimed by banking the aircraft in a circular orbit, allowing for sustained attacks on enemy positions.

Key Specifications

  • Manufacturer: Douglas Aircraft Company
  • Role: Gunship
  • Crew: 7 (pilot, copilot, navigator, flight engineer, loadmaster, two gunners)
  • Length: 64 ft 5 in (19.6 m)
  • Wingspan: 95 ft (29 m)
  • Maximum Speed: 230 mph (370 km/h)
  • Range: 1,500 miles (2,400 km)
  • Armament:
    • Three M134 miniguns (7.62×51mm NATO)
    • Up to 24,000 rounds of ammunition
    • Flares for night illumination

The AC-47 made its combat debut in Vietnam in 1964. It proved highly effective in defending outposts, suppressing enemy forces, and providing continuous close air support. Its ability to loiter over an area for hours made it particularly useful for night operations, where it could rain down suppressive fire and drop flares to illuminate the battlefield.


The aircraft’s combat effectiveness was demonstrated in numerous engagements, particularly in the defense of besieged U.S. and South Vietnamese positions. One of the most famous encounters occurred in 1965, when an AC-47 gunship helped repel a Viet Cong assault on a South Vietnamese outpost, reportedly killing over 300 enemy fighters.

Despite its effectiveness, the AC-47 had limitations:

  • Vulnerability to ground fire: Being a modified transport aircraft, it lacked armor and could be easily damaged by small arms and anti-aircraft weapons.
  • Limited firepower: While the miniguns were devastating, the aircraft lacked heavier armament for attacking fortified positions.
  • Speed and maneuverability: It was slower and less agile than purpose-built attack aircraft.

These limitations led to the development of more advanced gunships, including the AC-119 Stinger and later the AC-130 Spectre, which incorporated more powerful weaponry and better defensive capabilities.

Although retired from frontline U.S. service in 1969, the AC-47’s concept of an airborne gunship revolutionized air support tactics. The idea of using a transport-based aircraft for sustained firepower led to the evolution of the AC-130 series, which remains in service today.

Several countries, including Colombia and El Salvador, continued to operate modified AC-47s into the 21st century, using them for counterinsurgency and drug interdiction missions.

The Douglas AC-47 Spooky was a game-changer in modern warfare, pioneering the gunship concept and proving the value of persistent aerial fire support. Though it was eventually replaced by more sophisticated aircraft, its legacy endures in today's AC-130 gunships, making it one of the most influential aircraft of the Vietnam War.