Tupolev Tu-134

Tupolev Tu-134

infobox Aircraft
name =Tu-134
type =Airliner
manufacturer =Tupolev




caption =Tu-134 of Aviogenex in 1982
designer =
first flight = 29 July, 1963
introduced = September 1967
retired =
status =
primary user =Aeroflot
more users =Soviet Air Force
produced =1966-1984
number built = 852
unit cost =
developed from = Tupolev Tu-124
variants with their own articles =

The Tupolev Tu-134 (NATO codename: Crusty) is a Soviet twin-engined airliner, similar to the American Douglas DC-9. One of the most widely used aircraft in the former Warsaw Pact countries, the number in active service is decreasing because of noise restrictions. The model has seen long-term service with some 42 countries throughout Europe, Southeast Asia, the Middle East, Africa and Latin America, with some European airlines making very intense use of the 134 (as many as 12 takeoffs & landings per plane daily). In addition to regular passenger service, it has also been used in various airforce, army and navy support roles; for pilot and navigator training; and for aviation research and test projects. In recent years, a number of planes have been converted for use as VIP transportation. A total of 852 Tu-134s were built.

Design and development

Following the introduction of engines mounted on pylons on the rear fuselage by the French Sud Aviation Caravelle, airliner manufacturers around the world rushed to adopt the new layout. Its advantages included clean wing airflow without disruption by nacelles or pylons and decreased cabin noise. At the same time, placing heavy engines that far back created challenges with the location of the center of gravity in relation to the center of lift, which was at the wings. To make room for the engines, the tailplanes had to be relocated to the tail fin, which had to be stronger and therefore heavier, further compounding the tail-heavy arrangement.

During a 1960 visit to France, Soviet leader Nikita Khrushchev was so impressed by the quiet cabin of the Caravelle, that on 1960-08-01 the Tupolev OKB received an official directive to create the Tu-124A with a similar engine arrangement. In 1961, the Soviet state airline, Aeroflot, updated its requirement specifications to include greater payload and passenger capacity.

The first Tu-124A prototype, SSSR-45075, flew on 1963-07-29. Then, on 1963-10-22, the British BAC 1-11, which had a similar layout, crashed with the loss of all crew. The aircraft had stalled shortly after takeoff and entered pitch-up: The high-mounted tailplane became trapped in the turbulent wake produced by the wings (see deep stall), which prevented recovery from the stall. Tupolev took notice and the tailplane on Tu-124A was enlarged by 30% for greater control authority. Since Aeroflot's requirements dictated a larger aircraft than initially planned, the Soloviev design bureau developed the more powerful D-30 low-bypass turbofan engines. On 1963-11-20, the new airliner was officially designated Tu-134.

Design curiosities of the Tu-134 included a sharp wing sweepback of 35 degrees, compared to 25-28 degrees in its Western analogues. The engines on early production Tu-134s lacked thrust reversers, which made the aircraft one of the few airliners to use a brake parachute for landing. The majority of onboard electronics operated on direct current. The lineage of early Soviet airliners could be traced directly to the Tupolev Tu-16 strategic bomber, and the Tu-134 carried over the glass nose for the navigator and the landing gear fitted with low-pressure tires to permit operation from unpaved airfields.

In 1968, Tupolev began work on an improved Tu-134 variant. The fuselage received a 2.1 meter (6 ft 10 in) plug for greater passenger capacity and an auxiliary power unit in the tail. The upgraded D-30 engines now featured thrust reversers, replacing the cumbersome parachute. The first Tu-134A, converted from a production Tu-134, flew on 1969-04-22. The first airline flight was on 1970-11-09.

Operational history

In September 1967, the Tu-134 made its first scheduled flight from Moscow to Adler. The Tu-134 was the first Soviet airliner to receive international certification from the International Civil Aviation Organization, which permitted it to be used on international routes.

The type is still in widespread use in Russia and other former Soviet countries, but high fuel and maintenance costs limit the number used today. 69 Tu-134 have been destroyed in accidents and wars, 35 of these were non-fatal incidents, and in one of the remaining 34 fatal incidents none inside the plane died. The Tu-134 has also found a new life as a business jet with many having an expensive business interior. With the introduction of new ICAO noise regulations, Tu-134s have been effectively banned from much of European airspace due to loud D-30 engines dating back to the 1960s.

The largest fleet of Tu-134 still exists in Russia (146 of about 230 planes of this model). In March 2007 the Russian Minister of transportation Igor Levitin claimed that Tu-134s (as well as Tu-154s) are old and obsolete and should be replaced by Sukhoi Superjet 100 or its foreign analogues within five years.

Variants

;Tu-134:The glass nosed version. The first series could seat up to 64 passengers, and this was later increased to 72 passengers. The original designation was Tu-124A.;Tu-134A:Second series, with upgraded engines, improved avionics, seating up to 84 passengers. All A variants have been built with the distinct glass nose and chin radar dome, but some were modified to the B standard with the radar moved to the nose radome.;Tu-134A-2:The glass nose was replaced.;Tu-134A-3:Second series, powered by two uprated Soloviev D-30 turbofan engines.;Tu-134A-5:Most recent version.;Tu-134B:Second series, 80 seats, radar moved to the nose radome, eliminating the glazed nose. Some B models have long-range fuel tanks fitted under the fuselage; these are visible as a sizeable bulge.;Tu-134BV:Space shuttle work model.;Tu-134LK:Cosmonaut training version.;Tu-134UBL:Bomber aircrew training version.;Tu-134UBK:Naval version of Tu-134UBL. Only one was ever built.;Tu-134BSh:Navigation training version, fitted with a Tu-22M radar in the nose.;Tu-134SKh:Crop survey version.

Operators

Civil operators

In August 2006 a total of 277 Tupolev Tu-134 aircraft (all variants) remain in airline service. Major operators include: Aeroflot-Nord (14), Albanian Airlines (several) [ [http://www.airliners.net/photo/Untitled-(Albanian-Airlines/Tupolev-Tu-134B3/0063209&photo_nr=164&prev_id=0180101&next_id=NEXTID Photos: Tupolev Tu-134B3 Aircraft Pictures | Airliners.net ] ] Azerbaijan Airlines (9), Belavia (11), Moskovia Airlines (6), Hemus Air (6), Kogalymavia (6), Pulkovo Aviation Enterprise (10), Rossiya (11), S-Air (6), Samara Airlines (6), Sirius-Aero (6), Tajik Air (9), UTair Aviation (31) and Yamal Airlines (10). Some 55 other airlines operate smaller numbers of the type. [Flight International, 3-9 October 2006]

Past and present operators:
Adjarian Airlines, Aeroflot, Aeroflot-Don, Aeroflot-Nord, Aeroflot-Plus, Aero Rent, Air Armenia, Airest, Air Kharkov, Air Koryo, Air Lithuania, Air Moldova, Air Ukraine, Alania, Albanian Airlines, Alrosa-Avia, Armavia, Armenian Airlines, Astrakan Airlines, Astral, Atlant-Soyuz Airlines, Atyrau Airways, Aurela, Avcom, Aviaenergo, Aviaprima, Arkhangelsk Airlines, Azerbaijan Airlines, Aviogenex, Balkan Bulgarian Airlines, BAL Bashkirian Airlines, Belair, Belavia, Benin Golf Air, Black Sea Airlines, Cheboksary, Chelyabinsk Air Enterprise, Chernomorskie Airlines, CSA, Dagestan Airlines, EgyptAir, Enkor, Estonian Air, Euro-Asia Air, FlyLal, Gazpromavia, Georgian National Airlines, Gomelavia, Grizodubovoy, Moskovia Airlines, GST Aero, Harka Air, Hemus Air, Interflug, Iraqi Airways, Izshavia, KD Avia, Karat, Kazair West, Kirov Air, Kavminvodyavia, Kolkov Air, Komi Avia, Kyrgyzstan, Kyrgyzstan Airlines, Lat Charter, LOT Polish Airlines, Malév Hungarian Airlines, Marsland Aviation, Moscow Airways, NAPO, Orbi Georgian, Orenburg Airlines, Orient Avia, Perm Airlines, Polet Airlines, Progress, Pulkovo Aviation Enterprise, Rossiya, Rusline, Samal Air, Samara Airlines, Sibaviatrans, Syrian Arab Airlines, Tajikistan Airlines, Tatarstan Airlines, UM Airlines, UTair Aviation, UTAGE, Vietnam Airlines, Volga Aviaexpress, Voronezh Avia, Yamal Airlines, Yukos Avia.

Military operators

; ANG; flag|Bulgaria|1971; GEO; GDR; HUN; KAZ; MDA; PRK; POL; RUS; USSR: Soviet Air Force and Soviet Naval Aviation. Passed on successor states.; SYR; UKR

Specifications (Tu-134A)

Aircraft specifications
plane or copter?=plane
jet or prop?=jet
ref=OAO Tupolev [cite web|title=Tupolev Tu-134|url=http://tupolev.ru/Russian/Show.asp?SectionID=144|accessdate=2006-05-10]
crew=3-4
capacity=72-84 passengers
length main=37.10 m
length alt=121 ft 8 in
span main=29.00 m
span alt=95 ft 1 in
height main=9.02 m
height alt=29 ft 6 in
area main=127.3 m²
area alt=1,370.24 ft²
empty weight main=27,960 kg
empty weight alt=61,640 lb
loaded weight main=
loaded weight alt=
max takeoff weight main=47,600 kg
max takeoff weight alt=104,940 lb
payload main=8,200 kg
payload alt=18,075 lb
more general=

  • Fuselage diameter: 2.9 m (9 ft 6 in)
  • Fuel capacity: 13,200 L (3,485 US gal)
    engine (jet)=Soloviev D-30-II
    type of jet=turbofans
    number of jets=2
    thrust main=66.68 kN
    thrust alt=14,990 lbf
    max speed main=950 km/h
    max speed alt=485 knots, 559 mph
    cruise speed main=850-900 km/h
    cruise speed alt=405 knots, 466 mph
    range main=1,900 km
    range alt=1,025 nm, 1,180 mi
    ferry range main=3,500 km
    ferry range alt=1,890 nm, 2,175 mi
    ceiling main=11,900 m
    ceiling alt=39,040 ft
    climb rate main=
    climb rate alt=
    loading main=
    loading alt=
    thrust/weight=
    more performance

    See also

    aircontent
    related=
    similar aircraft=
    *BAC 1-11
    *McDonnell Douglas DC-9
    *Sud Aviation Caravelle
    *Yakovlev Yak-42
    lists=
    *List of airliners

    References

    External links

    * [http://www.airliners.net/search/photo.search?aircraft_genericsearch=Tupolev%20Tu-134%2F135&distinct_entry=true More pictures of Tu-134]
    * [http://www1.airpics.com/search/search.php?string=Tu-134&si=0&count=10&st=1&ar=2 Tupolev 134 photos]


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