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Fairchild Republic A-10 Thunderbolt II “WartHog”

The Fairchild Republic A-10 Thunderbolt II is also known as the Warthog, the Flying Gun and the Tankbuster. The A-10 and OA-10 Thunderbolt IIs are the first Air Force aircraft specially designed for close air support of ground forces. They are simple, effective and survivable twin-engine jet aircraft that can be used against all ground targets, including tanks and other armored vehicles. The primary mission of the A-10 is to provide day and night close air combat support for friendly land forces and to act as forward air controller (FAC) to coordinate and direct friendly air forces in support of land forces. The A-10 has a secondary mission of supporting search and rescue and Special Forces operations. It also possesses a limited capability to perform certain types of interdiction. All of these missions may take place in a high or low threat environment


The A/OA-10 aircraft was specifically developed as a close air support aircraft with reliability and maintainability as major design considerations. The Air Force requirements documents emphasized payload, low altitude flying capability, range and loiter capability, low speed maneuverability and weapons delivery accuracy. The A-10 is slow enough to be an observation plane. This greatly increases the A-10’s effectiveness at protecting ground troops. The aircraft is suitable for operation from forward air bases, with short take-off and landing capability. The aircraft has a long range (800 miles) and endurance and can loiter in the battle area.

The A/OA-10 is a single place, pressurized, low wing and tail aircraft with two General Electric TF-34-100/A turbo-fan engines, each with a sea level static thrust rating of approximately 9000 pounds. The engines are installed in nacelles mounted on pylons extending from the fuselage just aft of and above the wing. Two vertical stabilizers are located at the outboard tips of the horizontal stabilizers. The forward retracting tricycle landing gear incorporates short struts and a wide tread. The nose wheel retracts fully into the fuselage nose. The main gear retracts into streamlined fairing on the wing with the lower portion of the wheel protruding to facilitate emergency gear-up landings.

The A-10’s survivability in the close air support arena greatly exceeds that of previous Air Force aircraft. The A-10 is designed to survive even the most disastrous damage and finish the mission by landing on an unimproved airfield. Specific survivability features include titanium armor plated cockpit, redundant flight control system separated by fuel tanks, manual reversion mode for flight controls, foam filled fuel tanks, ballistic foam void fillers, and a redundant primary structure providing “get home” capability after being hit.
All of the A-10’s glass is bulletproof and the cockpit itself is surrounded by a heavy tub of titanium. Titanium armor protects both the pilot and critical areas of the flight control system. This titanium “bathtub” can survive direct hits from armor-piercing and high explosive projectiles up to 37mm in size. The front windscreen can withstand up to a 23mm projectile. Fire retardant foam protects the fuel cells which are also self sealing in the event of puncture.

The redundant primary structural sections allow the aircraft to enjoy better survivability during close air support than did previous aircraft. Designers separated all of the crucial battle and flight systems. Manual systems back up their redundant hydraulic flight-control systems. This permits pilots to fly and land when hydraulic power is lost. The wheels can roll in their pods, which lets the plane perform belly landings without significant damage to the aircraft. Dual engines are mounted away from the Warthog’s fuselage; if one is destroyed, the other can propel the craft to safety. Dual vertical stabilizers shield the hot exhaust from Russian-designed heat seeking missiles. The A-10 has two hydraulic flight control systems, backed up by a manual flight control system. This redundancy allows the pilot to control a battle damaged aircraft, even after losing all hydraulic power. Furthermore, redundant primary structural and control surfaces enhance survivability. Lastly, the long low-set wings are designed to allow flight, even if half a wing is completely blown off. No other modern aircraft can survive such punishment. The wings themselves are set low to allow for more weaponry to fit beneath the aircraft.

The General Electric Aircraft Armament Subsystem A/A49E-6 (30 millimeter Gun System) is located in the forward nose section of the fuselage. The gun system consists of the 30mm Gatling gun mechanism, double-ended link-less ammunition feed, storage assembly and hydraulic drive system. The General Electric GAU-8/A 30mm seven barrel cannon, specifically designed for the A-10, provides unmatched tank killing capability. The gun fires armor-piercing depleted uranium projectiles capable of penetrating heavy armor. It also fires a high explosive incendiary round, which is extremely effective against soft skinned targets like trucks. The cannon fires at a rate of 4,200 rounds per minute.

The A-10/OA-10 have excellent maneuverability at low air speeds and altitude, and are highly accurate weapons-delivery platforms. The A-10 has half the turning radius of the Air Force’s other primary CAS aircraft, the F-16. After initially leaving a target, the A-10 can turn around and hit the same target again, all in around 7 seconds. Due to its large combat radius, the Thunderbolt II can loiter for extended periods of time, allowing for the coordination required to employ within yards of friendly forces. They can operate under 1,000-foot ceilings (300 meters) with 1.5-mile (2.4 kilometers) visibility. Using night vision goggles, A-10/ OA-10 pilots can conduct their missions during darkness. The A-10s highly accurate weapons delivery system makes it effective against all ground targets including tanks and other armored vehicles.

The Thunderbolt II can employ a wide variety of conventional munitions, including general purpose bombs, cluster bomb units, laser guided bombs, joint direct attack munitions or JDAM), wind corrected munitions dispenser or WCMD, AGM-65 Maverick and AIM-9 Sidewinder missiles, rockets, illumination flares, and the GAU-8/A 30mm cannon, capable of firing 3,900 rounds per minute to defeat a wide variety of targets including tanks.

The first flight of the A-10 was in May 1972, and a total of 707 aircraft have since been produced. Originally manufactured by Fairchild, since 1987 the prime contractor for the A-10 has been Northrop Grumman, which carries out support and structural upgrade programmes from the Integrated Systems and Aerostructures Divisions at Bethpage, New York and at St Augustine in Florida.

The first production A-10A was delivered to Davis-Monthan Air Force Base, Ariz., in October 1975. It was designed especially for the close air support mission and had the ability to combine large military loads, long loiter and wide combat radius, which proved to be vital assets to America and its allies during Operation Desert Storm. In the Gulf War, A-10s, with a mission capable rate of 95.7 percent, flew 8,100 sorties and launched 90 percent of the AGM-65 Maverick missiles. The Thunderbolt II has also participated in operations Southern Watch, Provide Comfort, Desert Fox, Noble Anvil, Deny Flight, Deliberate Guard, Allied Force, Enduring Freedom and Iraqi Freedom.

The upgraded A-10C reached initial operation capability in September 2007. Specifically designed for close air support, its combination of large and varied ordnance load, long loiter time, accurate weapons delivery, austere field capability, and survivability has proven invaluable to the United States and its allies.Over 350 A-10 aircraft are in service with the US Air Force, Air Combat Command, the US Air Force Reserve and the Air National Guard.

Specifications
Primary Function: A-10 — close air support, OA-10 – airborne forward air control
Contractor: Fairchild Republic Co.
Power Plant: Two General Electric TF34-GE-100 turbofans
Thrust: 9,065 pounds each engine
Wingspan: 57 feet, 6 inches (17.42 meters)
Length: 53 feet, 4 inches (16.16 meters)
Height: 14 feet, 8 inches (4.42 meters)
Weight: 29,000 pounds (13,154 kilograms)
Maximum Takeoff Weight: 51,000 pounds (22,950 kilograms)
Fuel Capacity: 11,000 pounds (7,257 kilograms)
Payload: 16,000 pounds (7,257 kilograms)
Speed: 420 miles per hour (Mach 0.56)
Range: 800 miles (695 nautical miles)
Ceiling: 45,000 feet (13,636 meters)
Armament: One 30 mm GAU-8/A seven-barrel Gatling gun; up to 16,000 pounds (7,200 kilograms) of mixed ordnance on eight under-wing and three under-fuselage pylon stations, including 500 pound (225 kilograms) Mk-82 and 2,000 pounds (900 kilograms) Mk-84 series low/high drag bombs, incendiary cluster bombs, combined effects munitions, mine dispensing munitions, AGM-65 Maverick missiles and laser-guided/electro-optically guided bombs; infrared countermeasure flares; electronic countermeasure chaff; jammer pods; 2.75-inch (6.99 centimeters) rockets; illumination flares and AIM-9 Sidewinder missiles.
Crew: One
Unit Cost: Not available
Initial operating capability: A-10A, 1977; A-10C, 2007
Inventory: Active force, A-10, 143 and OA-10, 70; Reserve, A-10, 46 and OA-10, 6; ANG, A-10, 84 and OA-10, 18

9 thoughts on “Fairchild Republic A-10 Thunderbolt II “WartHog”

  1. tahtimbo

    I love these planes. I was lucky enough to see one of these up close and personal, at an airshow. Since the A-10’s are stationed a few miles from our house, we get frequent fly-overs. Very intimidating to actually touch the main gun.

    tahtimbos last blog post..Fun Photos and Cartoons for Friday

  2. Warbird Post author

    Tahtimbo, that must have been awesome, the A-10 is one of my favorite planes, I love the picture that I was able to find.

  3. yanjiaren

    Wow the pic is great and has such vibrancy..
    I like the way you put the specifications in the post. I will come back to read more.
    Stumbled the post too as yanjiaren5..well worth the stumbling. I find it very interesting to see new technology.

    yanjiarens last blog post..A Singaporean In London.

  4. Anthony

    Great post! I love that plane.

    I’m retired form the Air Force of my country and when on duty used to fly as a WSO on a turbofan powered airplane with similar capabilities and purpose, the argentinian IA-58 “Pucará” which was “my” airplane for 12 years.

    We, at our Squadron always saw the A-10 as the “next step” airplane to accomplish our task.

    Keep the good work!

    Anthonys last blog post..Independence Day and Reflections on Financial Freedom

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