Today in Aviation History: First Flight of the Grumman A-6 Intruder

On April 19, 1960, the Grumman A-6 Intruder took its first flight, launching a decades-long career as the U.S. Navy and Marine Corps’ premier all-weather attack aircraft.

Austin Hancock
Austin Hancock
A U.S. Navy Grumman A-6E Intruder (BuNo 155670) aircraft from Attack Squadron 52 (VA-52) "Knightriders" in flight in 1981. US Navy photo
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Sixty-five years ago today, on April 19, 1960, the Grumman A-6 Intruder took to the skies for the first time. The aircraft was born out of a 1957 request by the U.S. Navy’s Bureau of Aeronautics for a new attack platform capable of operating in all weather conditions and conducting long-range naval interdiction missions. The aircraft also needed short takeoff and landing (STOL) capabilities to support close-air support missions for the U.S. Marine Corps. Its ultimate goal was to replace the aging Douglas A-1 Skyraider.

Grumman YA2F 1 Intruder Bu. No. 147864 with landing gear extended during the first flight 19 April 1960. San Diego Air and Space Museum Archives
Grumman YA2F-1 Intruder Bu. No. 147864 with landing gear extended during the first flight, 19 April 1960. (San Diego Air and Space Museum Archives)

Grumman’s design stood out, particularly for its side-by-side seating arrangement for the pilot and bombardier/navigator—an unusual feature at the time. The A-6 Intruder became the first U.S. Navy aircraft with a fully integrated airframe and weapons system, making it one of the most advanced strike platforms of its era. Powered by two Pratt & Whitney J52-P8B turbojet engines, each generating 9,300 pounds of thrust, the Intruder could reach speeds up to 640 mph, with a combat range of 878 nautical miles and a service ceiling of 42,400 feet.

A 6A VA 75 landing on USS Kitty Hawk CVA 63 1968
An A-6 Intruder from VA-75 traps aboard Kitty Hawk during her 1967-68 deployment to Vietnam

The Intruder was heavily armed, featuring five external hardpoints under the wings and fuselage centerline capable of carrying up to 18,000 pounds of ordnance. Its arsenal included LAU rockets, AGM, AIM, and ADM missiles, and a range of general-purpose and precision-guided bombs such as the Mk 82/83/84 and GBU/CBU series. The A-6 was also nuclear-capable, able to carry B43, B57, or B61 weapons for “toss-bombing” delivery missions. A specialized tanker variant, the KA-6D, was also developed and equipped with external fuel tanks for mid-air refueling.

A 6As VMAAW 242 1975
Four U.S. Marine Corps All-Weather Medium Attack Squadron 242 (VMA(AW)-242) Grumman A-6A Intruder aircraft (BuNo 155623, 155624, 155625, 157014) flying in echelon formation on 21 November 1975. (Image by Sgt. C. Quinn, USMC via Wikipedia)

The A-6 Intruder served faithfully until its retirement from U.S. Navy and Marine Corps service in 1997. Today, many examples of the aircraft can be seen on display in aviation museums across the country. The aircraft gained broader public recognition thanks to the 1991 film Flight of the Intruder, starring Danny Glover and Willem Dafoe, which showcased the aircraft’s role in combat and earned the A-6 a well-deserved place in pop culture and aviation history alike.

An A-6E Intruder aboard the USS Midway Museum. The Intruder wears the livery of Bengal 512 from VMA(AW)-224 on the left side of the aircraft.
An A-6E Intruder aboard the USS Midway Museum. The Intruder wears the livery of Bengal 512 from VMA(AW)-224 on the left side of the aircraft.
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Commercial Pilot, CFI, and Museum Entrepreneur, with a subject focus on WWII Aviation. I am dedicated to building flight experience so I can fly WWII Fighters, such as the P-51 Mustang, for museums and airshows, and in the USAF Heritage Flight. I lead and run the Pennington Flight Memorial, to honor local MIA Tuskegee Airman F/O Leland “Sticky” Pennington.
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