Tupolev Tu-160

Tu-160 Belyy Lebed
Tupolev Tu-160 RF-94109.jpg
Tupolev Tu-160 in flight over Russia, May 2014
Role Supersonic strategic bomber
National origin Soviet Union/ Russia
Design group Tupolev
Built by Kazan Aircraft Production Association
First flight 19 December 1981
Introduction 30 December 2005 ( IOC in 1987)
Status In service
Primary user Russian Air Force
Produced 1984–1992, 2002, 2008, [1] 2017 [2]
Number built 36 (9 prototypes and 27 serial aircraft)

The Tupolev Tu-160 Belyy Lebed (or White Swan, [3] Russian: Туполев Ту-160 Белый лебедь, NATO reporting name: Blackjack) is a supersonic, variable-sweep wing heavy strategic bomber designed by the Tupolev Design Bureau in the Soviet Union. It is the largest and heaviest Mach 2+ supersonic aircraft ever built and second only to the comparable XB-70 Valkyrie in overall length. It is the largest and heaviest combat aircraft, the fastest bomber currently in use, and is the largest and heaviest variable-sweep wing airplane ever flown.[ citation needed]

Entering service in 1987, the Tu-160 was the last strategic bomber designed for the Soviet Union. As of 2016, the Russian Air Force, Long Range Aviation branch has 16 aircraft remaining, with fewer being airworthy and in service.[ citation needed] The Tu-160 active fleet has been undergoing upgrades to electronics systems since the early 2000s. The Tu-160M modernisation programme has begun with the first updated aircraft delivered in December 2014.

Development

Origins

The first competition for a supersonic strategic heavy bomber was launched in the Soviet Union in 1967. In 1972, the Soviet Union launched a new multi-mission bomber competition to create a new supersonic, variable-geometry ("swing-wing") heavy bomber with a maximum speed of Mach 2.3, in response to the US Air Force B-1 bomber project. The Tupolev design, named Aircraft 160M, with a lengthened blended wing layout and incorporating some elements of the Tu-144, competed against the Myasishchev M-18 and the Sukhoi T-4 designs. [4]

Tu-160 in flight

Work on the new Soviet bomber continued despite an end to the B-1A and in the same year, the design was accepted by the government committee. The prototype was photographed by an airline passenger at a Zhukovsky Airfield in November 1981, about a month before the aircraft's first flight on 18 December 1981. Production was authorized in 1984, beginning at Kazan Aircraft Production Association. [5]

Modernization

The modernised aircraft were accepted into Russian service after testing in late 2005. [6] [7] The upgrade also integrated the ability to launch two new conventional versions of the long-range Kh-55 nuclear cruise missile—the Kh-101 and Kh-555. [8] [9] [10] This resulted in the delivery of a new-built aircraft but the "first modernised Tu-160" in July 2006 did not receive new avionics, although they were planned for the new airframe. [7] [11] [12]

The modernisation appears to be split into two phases, concentrating on life extension with some initial communication–navigation updates, followed by 10 aircraft receiving new engines and capability upgrades after 2016. [6] The first refitted aircraft was delivered to the VVS in May 2008; a follow-up contract to overhaul three aircraft in 2013 cost RUR3.4 billion (US$103M). [13] The first updated M-model Tu-160 was delivered in December 2014. [14] [15] [16] The phase I update was due to be completed by 2016, but industrial limitations may delay it to 2019 or beyond. [17] Although Kuznetsov designed an NK-32M engine with improved reliability over the troublesome NK-32 engines, its successor company has struggled to deliver working units. Metallist-Samara JSC had not produced new engines for a decade when it was given a contract in 2011 to overhaul 26 of the existing engines, by two years later, only four were finished. [17] Ownership and financial concerns hinder the prospects of a new production line; the firm insists it needs a minimum of 20 engines ordered per year but the government is only prepared to pay for 4–6 engines per year. [17] [18] A further improved engine has been bench tested and may enter production in 2016 or later. [6]

On 29 April 2015, Defense Minister Sergei Shoigu stated that Russia was resuming production of the Tu-160. [19] [20] On 28 May 2015, the Russian News Agency TASS reported that the Russian Air Force will purchase at least 50 new-build Tu-160s and that production of the aircraft will restart at the Kazan aviation plant. [21] [22] General Viktor Bondarev has said that development of the PAK DA will continue alongside resumption of production of the older model bomber. [21]

On 16 November 2017, a newly built Tu-160M2 has been unveiled for the first time during the rollout ceremony at the Kazan Aviation Plant. The aircraft is expected to perform its maiden flight in February 2018. [2] [23]

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