|Tu-95MS Bear H RF-94130 off Scotland in 2014|
|Role||Turboprop strategic bomber or missile carrier aircraft or airborne surveillance|
|National origin||Soviet Union|
|First flight||12 November 1952|
|Primary users||Soviet Air Forces
Russian Air Force
|Variants||Tupolev Tu-114 passenger airliner
Tupolev Tu-142 maritime patrol
Tupolev Tu-95LAL nuclear-powered
The Tupolev Tu-95 (Russian: Туполев Ту-95; NATO reporting name: "Bear") is a large, four-engine turboprop-powered strategic bomber and missile platform. First flown in 1952, the Tu-95 entered service with the Soviet Union in 1956 and is expected to serve the Russian Air Force until at least 2040. A development of the bomber for maritime patrol is designated Tu-142, while a passenger airliner derivative was called Tu-114.
The aircraft has four Kuznetsov NK-12 engines, each driving contra-rotating propellers. It is the only propeller-powered strategic bomber still in operational use today. The Tu-95 is one of the noisiest military aircraft, purportedly because the tips of the propeller blades move faster than the speed of sound. Its distinctive swept-back wings are at a 35° angle. The Tu-95 is one of the very few mass-produced propeller driven aircraft with swept wings. The same 35° swept angle was later used in the Boeing 707 and DC8 airliners.
Design and development
A new requirement was issued to both Tupolev and Myasishchev design bureaus in 1950: the proposed bomber had to have an un-refueled range of 8,000 km (4,970 mi)—far enough to threaten key targets in the United States. Other goals included the ability to carry an 11,000 kg (12.1 ton) load over the target.
The big problem for Tupolev was the engine choice: the Tu-4 showed that piston engines were not powerful enough to fulfill that role, while the fuel-hungry AM-3 jet engines of the proposed T-4 intercontinental jet bomber did not provide adequate range. Turboprops offered more power than the piston engines and better range than jets available for the new bomber's development at the time, while offering a top speed in between these two alternative choices.
Tupolev's proposal was selected and Tu-95 development was officially approved by the government on 11 July 1951. It featured four Kuznetsov coupled turboprops, each fitted with two contra-rotating propellers of four blades each, producing a nominal 8,948 kW (12,000 eshp) power rating. The then-advanced engine was designed by a German team of ex-Junkers prisoner-engineers under Ferdinand Brandner. In contrast, the fuselage was conventional: a mid-wing cantilever monoplane with 35 degrees of sweep, an angle which ensured the main wing spar passed through the fuselage in front of the bomb bay. Retractable tricycle landing gear was fitted, with all three gear strut units retracting rearwards, with the main gear units retracting rearwards into extensions of the inner engine nacelles.
The Tu-95/I, with 2TV-2F engines, first flew in November 1952 with test pilot Alexey Perelet at the controls. After six months of test flights this aircraft suffered a propeller gearbox failure and crashed, killing Perelet. The second aircraft, Tu-95/II featured four of the 12,000 ehp Kuznetsov NK-12 turboprops which proved more reliable than the coupled 2TV-2F. After a successful flight testing phase, series production of the Tu-95 started in January 1956.
For a long time, the Tu-95 was known to U.S./NATO intelligence as the Tu-20. While this was the original Soviet Air Force designation for the aircraft, by the time it was being supplied to operational units it was already better known under the Tu-95 designation used internally by Tupolev, and the Tu-20 designation quickly fell out of use in the USSR. Since the Tu-20 designation was used on many documents acquired by U.S. intelligence agents, the name continued to be used outside the Soviet Union.
Initially the United States Department of Defense evaluated the Tu-95 as having a maximum speed of 644 km/h (400 mph) with a range of 12,500 km (7,800 mi). These numbers had to be revised upward numerous times.
Like its American counterpart, the Boeing B-52 Stratofortress, the Tu-95 has continued to operate in the Russian Air Force while several subsequent iterations of bomber design have come and gone. Part of the reason for this longevity was its suitability, like the B-52, for modification to different missions. Whereas the Tu-95 was originally intended to drop free-falling nuclear weapons, it was subsequently modified to perform a wide range of roles, such as the deployment of cruise missiles, maritime patrol (Tu-142), and even civilian airliner (Tu-114). An AWACS platform (Tu-126) was developed from the Tu-114. An icon of the Cold War, the Tu-95 has served not only as a weapons platform but as a symbol of Soviet and later Russian national prestige. Russia’s air force has received the first examples of a number of modernised strategic bombers Tu-95MSs following upgrade work. Enhancements have been confined to the bomber’s electronic weapons and targeting systems.
Designed as a stopgap in case the Tu-114A was not finished on time, two Tu-95 bombers were fitted with passenger compartments. Both aircraft had the same layout: office space, a passenger cabin consisting of 2 sections which could each accommodate 20 people in VIP seating, and the rest of the 70 m³ cabin configured as a normal airliner. Both aircraft were eventually used as crew ferries by the various Tu-95 squadrons. One of these machines is preserved at Ulyanovsk Central Airport.
Cold War symbol
The Tu-95RT variant in particular was a veritable icon of the Cold War as it performed a maritime surveillance and targeting mission for other aircraft, surface ships and submarines. It was identifiable by a large bulge under the fuselage, which reportedly housed a radar antenna that was used to search for and detect surface ships.
In a series of nuclear surface tests that were carried out by the Soviet Union in the early through mid 1960s, on October 30, 1961 a modified Tu-95 carried and dropped the AN602 device named Tsar Bomba, which was the most powerful thermonuclear device ever detonated. The bomb was attached outside underneath of the aircraft, and carrying the Tsar Bomba semi-externally, somewhat like a B.I Special version of the Avro Lancaster would with a Grand Slam eleven tonne "earthquake bomb", as the Tsar Bomba could not be carried internally inside a standard Tu-95's bomb-bay. Video footage of that particular test exists as it was filmed for documentation, and shows the specially adapted Tu-95V plane - painted with anti-flash white on its ventral surfaces — taking off carrying the bomb, in flight scenes of the interior and exterior of the plane and the detonation. Along with the Tsar Bomba, the Tu-95 proved to be a versatile bomber that would be the deliverer of the RDS-4 Tatyana, a fission bomb with a yield of forty-two kilotons, RDS-6S thermonuclear bomb, but the designs proved flawed, RDS-37, a 2.9-megaton thermonuclear bomb, and RP-30-32 200-kiloton bombs.
The early versions of this bomber lacked comfort for their crews. They had a dank and dingy interior and there was neither a toilet nor a galley in the aircraft. Though the living conditions on the bomber were unsatisfactory the crews would often take two 10-hour mission trips a week to ensure combat readiness. This gave an annual total of around 1,200 flight hours.
The bomber had the best crews available due to the nature of their mission. They would undertake frequent missions into the Arctic to practice transpolar strikes against the United States. Unlike their American counterparts they never flew their missions with armed nuclear weapons. This hindered their mission readiness due to the fact that live ammunition had to come from special bunkers on the bases and loaded into the aircraft from the servicing trench below the bomb bay, a process that could take two hours.
Present and future status
In 1992, newly independent Kazakhstan began returning the Tu-95 aircraft of the 79th Heavy Bomber Aviation Division at Dolon air base to the Russian Federation. The bombers joined those already at the Far Eastern Ukrainka air base.
All Tu-95s now in Russian service are the Tu-95MS variant, built in the 1980s and 1990s. On 18 August 2007, President Vladimir Putin announced that Tu-95 patrols would resume, 15 years after they had ended.
During the Russian Stability 2008 military exercise in October 2008, Tu-95MS aircraft fired live air-launched cruise missiles for the first time since 1984. The long range of the Raduga Kh-55 cruise missile means Tu-95MS Bears can once again serve as a strategic weapons system.
On 17 November 2015, Tu-95s had their combat debut, being employed for the first time in long range airstrikes as part of the Russian military intervention in the Syrian Civil War.
Variants and derivatives
- Tu-95/1: The first prototype powered by Kuznetsov 2TV-2F coupled turboprop engines.
- Tu-95/2: The second prototype powered by Kuznetsov NK-12 turboprops.
- Tu-95/Tu-95M: Basic variant of the long-range strategic bomber and the only model of the aircraft never fitted with a nose refuelling probe. Known to NATO as the Bear A.
- Tu-95K: Experimental version for air-dropping a MiG-19 SM-20 jet aircraft.
- Tu-95K22: Conversions of the older Bear bombers, reconfigured to carry the Raduga Kh-22 missile and incorporating modern avionics. Known to NATO as the Bear G.
- Tu-95K/Tu-95KD: Designed to carry the Raduga Kh-20 air-to-surface missile. The Tu-95KD aircraft were the first to be outfitted with nose probes. Known to NATO as the Bear B.
- Tu-95KM: Modified and upgraded versions of the Tu-95K, most notable for their enhanced reconnaissance systems. These were in turn converted into the Bear G configuration. Known to NATO as the Bear C.
- Tu-95M-55: Missile carrier.
- Tu-95MR: Bear A modified for photo-reconnaissance and produced for Naval Aviation. Known to NATO as the Bear E.
- Tu-95MS/Tu-95MS6/Tu-95MS16: Completely new cruise missile carrier platform based on the Tu-142 airframe. This variant became the launch platform of the Raduga Kh-55 cruise missile and put into serial production in 1981. Known to NATO as the Bear H and was referred to by the U.S. military as a Tu-142 for some time in the 1980s before its true designation became known.
- Tu-95MS6: Capable of carrying six Kh-55, Kh-55SM or Kh-555 cruise missiles on a rotary launcher in the aircraft's weapons bay. 32 built.
- Tu-95MS16: Fitted with four underwing pylons in addition to the rotary launcher in the fuselage, giving a maximum load of 16 Kh-55s or 14 Kh-55SMs. 56 built.
- Tu-95MSM: modernized version of MS16 with advanced radio-radar equipment as well as a target-acquiring/navigation system based on GLONASS. Four underwing pylons for up to 8 Kh-101/102 stealth cruise missiles. Ten aircraft have been modernized as of late 2015.
- Tu-95N: Experimental version for air-dropping an RS ramjet powered aircraft.
- Tu-95RTs: Razvedchik Tseleukazatel: Variant of the basic Bear A configuration, redesigned for maritime reconnaissance and targeting as well as electronic intelligence for service in the Soviet Naval Aviation. Known to NATO as the Bear D.
- Tu-95U Uchebnyy: Trainer: Training variant, modified from surviving Bear As but now all have been retired. Known to NATO as the Bear T.
- Tu-95V: Special carrier aircraft to test-drop the largest thermonuclear weapon ever designed, the Tsar Bomba.
- Tu-96: long-range intercontinental high-altitude strategic bomber prototype, a high-altitude version of the Tupolev Tu-95 aircraft with high-altitude augmented turboprop TV-16 engines and with a new, enlarged area wing. Plant tests of the aircraft were performed with non-high altitude TV-12 engines in 1955–1956.
- Tu-114: Airliner derivative of Tu-95.
- Tu-116: Tu-95 fitted with passenger cabins as a stop-gap while the Tu-114 was being developed. Only two converted.
- Tu-95LAL: Experimental nuclear-powered aircraft project.
- Tu-126: AEW&C derivative of Tu-114, itself derived from the Tu-95.
- Tu-142: Maritime reconnaissance/anti-submarine warfare derivative of Tu-95. Known to NATO as the Bear F.
Several other modification of the basic Tu-95/Tu-142 airframe have existed, but these were largely unrecognized by Western intelligence or else never reached operational status within the Soviet military.
- Soviet Air Forces, Long Range Aviation: Passed on to Russia and Ukraine.
- The first Tu-95 division, 106th TBAD (Heavy Bomber Air Division), was formed in 1956. The division commander was twice-Hero of the Soviet Union A. G. Molodchi. The 106th TBAD incorporated the 409th TBAP (Heavy Bomber Air Regiment) (commander – Colonel M. M. Kharitonov) which was raised late in 1956 and the 1006th TBAP (commander – Colonel V. P. Pavlov) raised in 1956. The 106th TBAD's base was Uzin near Kiev.
- The 1223rd TBAP in Semipalatinsk, under the command of Hero of the Soviet Union Colonel V. M. Bezbokov, was raised in 1957, within the 79th Air Division (commander – twice-Hero of the Soviet Union General Major M. P. Taran). The 1223rd's targets were Canada and the north of the US.
- Soviet Naval Aviation
Data from Combat Aircraft since 1945
- Crew: 6–7; pilot, co pilot, flight engineer, communications system operator, navigator, tail gunner plus sometimes another navigator.
- Length: 46.2 m (151 ft 6 in)
- Wingspan: 50.10 m (164 ft 5 in)
- Height: 12.12 m (39 ft 9 in)
- Wing area: 310 m² (3,330 ft²)
- Empty weight: 90,000 kg (198,000 lb)
- Loaded weight: 171,000 kg (376,200 lb)
- Max. takeoff weight: 188,000 kg (414,500 lb)
- Powerplant: 4 × Kuznetsov NK-12M turboprops, 11,000 kW (14,800 shp) each
- Maximum speed: 920 km/h (510 knots, 575 mph[dubious ].)
- Range: 15,000 km (8,100 nmi, 9,400 mi) unrefueled
- Service ceiling: 13,716 m (45,000 ft)
- Rate of climb: 10 m/s (2,000 ft/min)
- Wing loading: 606 kg/m² (124 lb/ft²)
- Power/mass: 235 W/kg (0.143 hp/lb)
- Radar-controlled guns: 1 or 2 × 23 mm AM-23 autocannon in tail turret.
- Missiles: Up to 15,000 kg (33,000 lb), including the Raduga Kh-20, Kh-22, and Kh-55/101/102, or 8 Kh-101/102 cruise missiles mounted on underwing pylons.
- Related development
- Aircraft of comparable role, configuration and era
- Related lists
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- Originally measured as 15,000 PS.
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