GAU-12 Equalizer 25 mm cannon

E98228

The GAU-12 Equalizer is a five-barrel 25 mm Gatling-type rotary cannon used primarily by U.S. military aircraft for high-rate, close air support and ground-attack missions.

Aliases (1)

Statements (48)
Predicate Object
instanceOf Gatling-type autocannon
rotary cannon
ammunitionType 25×137 mm
SAPHEI NERFINISHED
armor-piercing incendiary
high-explosive incendiary
barrelConfiguration rotating cluster
caliber 25 mm
conflictUsedIn Gulf War NERFINISHED
Iraq War NERFINISHED
War in Afghanistan (2001–2021) NERFINISHED
countryOfOrigin United States
designedFor aircraft armament
designedForTarget armored vehicles
lightly armored targets
soft ground targets
developmentStart 1970s
enteredService early 1980s
feature Gatling rotating-barrel mechanism
high rate of fire
high reliability
feedSystem linkless feed system
hasVariant GPU-5/A gun pod NERFINISHED
manufacturer General Dynamics NERFINISHED
mounting side-fuselage sponson pods on Harrier variants
ventral gun pod for AV-8B Harrier II
natoCaliberClass medium-caliber autocannon
nomenclature GAU-12/U NERFINISHED
numberOfBarrels 5
operation electrically controlled
hydraulically driven
platform AC-130U Spooky gunship NERFINISHED
AV-8B Harrier II NERFINISHED
Harrier GR7 NERFINISHED
Harrier GR9 NERFINISHED
LAV-AD air-defense vehicle NERFINISHED
primaryRole close air support
ground-attack
rateOfFire approximately 3,600 rounds per minute
relatedWeapon GAU-22/A NERFINISHED
GAU-8 Avenger NERFINISHED
usedBy Italian Air Force NERFINISHED
Royal Air Force
United States Air Force NERFINISHED
United States Marine Corps NERFINISHED
usedFor air interdiction
armed reconnaissance
defensive fire support

Referenced by (1)
Subject (surface form when different) Predicate
AV-8B Harrier II
armamentOption

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