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The ATR 42 is a twin-turboprop, short-haul regional airliner built in Francemarker and Italymarker by ATR. The name "42" comes from the aircraft's standard seating, which varies from 40 to 52. The aircraft was the basis for the ATR 72.

Design and development

A Vanair ATR-42-320 at Port Vila International Airport
Air Lithuania ATR 42
Contact Air/Lufthansa Regional ATR 42-500 at Stuttgart Airport


The ATR 42-300 was announced in 1981, making its maiden flight on 16 August 1984; French and Italian certification followed in September 1985 and its first revenue flight was in December of the same year with Air Littoral of France. This initial version of the ATR42 was on production line until 1996. The next upgrade for product was ATR42-320 (also withdrawn in 1996) differed in having the more powerful PW-121 engines for better hot and high performance. ATR42-300QC is a quick change freight/passenger version of the standard -300 series. [43728]

Current production version is -500 series. It is totally new generation aircraft with new engines, new propellers, improved hot and high performance, increased weight capacity and an improved passenger cabin. The 50-seat ATR 42-500 was first certificated in July 1995. [43729]

As of January 2009 at least 401 ATR 42s have been delivered worldwide with up to 18 aircraft on order.

Variants

There are six major variants of the ATR 42.

ATR 42-200

The -200 was the original ATR 42 prototype and only a few were built for testing purposes. It was powered by Pratt & Whitney Canada PW120 engines rated at 1800 shp.

ATR 42-300

The -300 was the standard production version. This model was manufactured until 1996. It was powered by Pratt & Whitney Canada PW120 engines rated at 1800 shp.

ATR 42-320

The -320 was an improved version of the -300 powered by PW121 engines (1900 shp). It was designed to have better performance especially in hot and high conditions.

ATR 42-400

The -400 is the official name for the passenger version of the ATR 42 "Surveyor". the -400 is an upgraded version of the -200/300/320 using six-bladed propellers on otherwise identical PW120/PW121 engines. The primary users of this aircraft type are Conviasa & CSA Czech Airlines.

ATR 42-500

The ATR-500 is the current production version. The first delivery was in October 1995. It is a completely new design with a lot of new improvements for performance and passenger comfort. It has new engines, new propellers, newly designed cabin and increased weight capacity. It has six-bladed propellers turned by PW127E engines rated at for improved hot and high performance and greatly increased cruise speed. The engines are flat rated for +45C. Propellers are completely electrically controlled and composite material. It also has an increased maximum takeoff weight, allowing for more cargo and greater range (up to 1,500 nm). Due the six-bladed propellers and better insulation, it has a highly decreased noise level inside the cabin with new "elegance" style cabin. The newest version have CATII capability and dual Honeywell HT1000 FMS installation.[43730][43731]

ATR 42-600

On Tuesday 2 October 2007, ATR CEO Stéphane Mayer, announced the launch of the new -600 series aircraft at a Press Conference held in Washington, D.C.marker.

The new ATR 42-600 and ATR 72-600 will feature the latest technological enhancements while building upon the well-known advantages of the current aircraft, namely its high efficiency, proven dispatch reliability, low fuel burn and operating cost. It will include the new PW127M as standard engine (new engines provide 5% additional thermodynamic power at takeoff, thus improving performance on short runways, in hot weather and on high altitude. The incorporation of the “boost function” enables use of this additional power as needed, only when called for by the takeoff conditions.), Glass Cockpit flight deck featuring five wide LCD screens that will replace the current EFIS (Electronic Flight instrument System). In addition, a multi-purpose computer (MPC) will further enhance Flight Safety and operational capabilities. The new avionics, to be supplied by Thales, will also provide CAT III and RNP capabilities. It will also include the new lighter and more comfortable seats and larger overhead baggage bins. The -600 series ATR aircraft will be progressively introduced during the second half of 2010.

Specifications

Measurement ATR42-500 ATR72-500
Flight Deck Crew Two
Cabin Crew One Two
Passenger Capacity (Single Class) 44-50 68-74
Length 22.67 m
(74 ft 5 in)
27.16 m (89 ft 2 in)
Wingspan 24.57 m (80 ft 7 in) 27.05 m (88 ft 9 in)
Height 7.59 m
(24 ft 11 in)
7.65 m
(25 ft 1 in)
Empty Weight (kg) 11,250 12,950
Maximum takeoff (kg) 18,600 22,500 (Basic)
22,800 (Optional)
Takeoff Run at MTOW 1,165 m (3,822 ft) 1,290 m (4,232 ft)
Powerplants Pratt & Whitney Canada PW127E Pratt & Whitney Canada PW127F/M
Maximum speed 300 kts (555 km/h) 276 kts (511 km/h)
Range 1,611 km 1,500 km
Service ceiling 25,000 ft (7,600 m)


[43732][43733]

Other

An STC exists to convert all ATR 42 variants to all-cargo transport aircraft. FedEx, Aviavilsa, UPSmarker, and DHL are major operators of the type.

The ATR 42 "Surveyor" is a maritime patrol version of the -500, and VIP transport and in-flight inspection versions of the -500 also exist.

Operators

Civil operators



The largest operators of the ATR-42 are FedEx Express, Airlinair, and Mexico Citymarker-based Aeromar respectively. Number of aircraft as of 15 October 2009:



Some 70 other airlines operate smaller numbers of the type.

Military and government operators



  • Libyan Government (One ATR42 MP on order for 2009 delivery)


Accidents and incidents



  • On 11 October 1999, an Air Botswana captain boarded an ATR 42-320 aircraft and took off. Once in the air, he asked by radio to speak to President Festus Mogae (who was outside the country at the time), Air Botswana's general manager and others. In spite of all attempts to persuade him to land and discuss his grievances, he stated he was going to crash into some planes on the apron. After a flying time of about two hours, he performed two loops and then crashed at 200 knots (230 mph) into Air Botswana's two other ATR 42s parked on the apron. The captain was killed, but there were no other casualties. He had been grounded on medical reasons, refused reinstatement, and regrounded until February 2000.






  • There have been a total of 21 hull-loss occurrences.


See also

References

  1. Detailed Milestones
  2. [1]
  3. ATR 42-300/320
  4. ATR 42/72-600
  5. ATR cargo solutions
  6. ATR 42 Surveyor
  7. ATR VIP
  8. ATR In-flight
  9. Flight International, 3-9 October 2006
  10. Aviation Safety Net
  11. ASN Aircraft accident ATR-42-320 A2-ABB Gaborone-Sir Seretse Khama International Airport (GBE)
  12. Aviation Safety Net
  13. CNN: FedEx plane crashes in Texas 27 January 2009
  14. Aviation Safety Net


External links




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