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ATR 42

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ATR 42
An Air Lithuania ATR 42
Role Regional airliner
Manufacturer ATR
First flight 16 August 1984
Introduction 1985
Status In revenue service
Primary users FedEx Feeder
TRIP Linhas Aéreas
Airlinair
Aeromar
Produced 1984–present
Number built 413+
Variants ATR 72

The ATR 42 is a twin-turboprop, short-haul regional airliner built in France and Italy by ATR (Aerei da Trasporto Regionale or Avions de Transport Régional). ATR and Airbus are both built in Toulouse, and share resources and technology. 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

File:Hydair19.jpg
A PIA ATR 42–500 series at Hyderabad Airport, Hyderabad, Sindh, Pakistan
A Vanair ATR-42-320 at Port Vila-Bauerfield International Airport
Contact Air/Lufthansa Regional ATR 42–500 at Stuttgart Airport.
TAROM ATR 42–500
TAROM ATR 42–500 interior

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.[1] 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 The next upgrade for product was ATR42-320 (also withdrawn in 1996) differed in having the more powerful PW-121 engines for better hot and high performance.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.[2]

The current production version is the −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.[2]

As of January 2009 at least 401 ATR 42s have been delivered worldwide with up to 18 aircraft on order.[3]

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 1,800 shp (1,300 kW).[4]

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 2,000 shp (1,500 kW).

ATR 42–320

The −320 was an improved version of the −300 powered by PW121 engines (2100 shp). It was designed to have better performance especially in hot and high conditions.[4]

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 −320 using six-bladed propellers on otherwise identical PW121 engines. The primary users of this aircraft type are Conviasa.

ATR 42–500

The ATR 42-500 is the current production version. The first delivery was in October 1995. It is a completely new design with many new improvements for performance and passenger comfort. It has new engines, new propellers, a newly designed cabin and increased weight capacity. It has six-bladed propellers turned by PW127E engines rated at 2,400 shp (1,800 kW) for improved hot and high performance and greatly increased cruise speed. The engines are flat rated for +45C. Propellers are completely electrically controlled and are made from composite material. It also has an increased maximum takeoff weight, allowing for more cargo and greater range (up to 1,500 nm). Due to the six-bladed propellers and better insulation, it has a much reduced noise level inside the cabin with new "elegance" style cabin. The newest version have CATII capability and dual Honeywell HT1000 FMS installation.[2][5]

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..

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.[6] The ATR 42–600 Series launch customer is the Royal Air Maroc (deliveries begin in March 2012).

Using a temporary test registration F-WWLY the prototype ATR 42–600 first flew on 4 March 2010.[7]

Other versions

Cargo Variant

Bulk (Tube Versions) and ULD Freighter (Large Cargo Door). An STC exists to convert all ATR 42 variants to all-cargo transport aircraft.[8] FedEx, Aviavilsa, UPS, and DHL are major operators of the type.

ATR Surveyor

The ATR 42 "Surveyor" is a maritime patrol version of the −500,[9] and VIP transport and in-flight inspection versions of the −500 also exist.[10][11]

Specifications

[12]

ATR 42-200 ATR 42-300 ATR 42-320 ATR 42-500
Flight deck crew 2
Seating, typical 42–50
Length 74 ft 5 in (22.67 m)
Wingspan 80 ft 7 in (24.57 m)
Height 24 ft 11 in (7.59 m)
Wing area 587 sq ft (54.5 m2)
Wing aspect ratio 11.1:1[13]
Wheelbase 28.8 ft (8.78 m)
Cabin length 45.4 ft (13.85 m)
Empty weight 23148 lb
(10,500 kg)		 24,802 lb
(11,250 kg)
Maximum takeoff weight
(MTOW) 		34,280 lb
(15,550 kg)		 37,258 lb
(16,900 kg)		 37,258 lb
(16,900 kg)		 41,005 lb
(18,600 kg)
Cruise speed 267 knots (494 km/h) at cruise altitude 1 299 knots (554 km/h) at cruise altitude
Range, loaded 480 nmi (885 km) 840 nmi (1,555 km)
Maximum fuel capacity 1,486 US gal (5,625 L)
Service ceiling 25,000 ft (7,600 m)
Engines (×2) Pratt & Whitney Canada PW120 Pratt & Whitney Canada PW121 Pratt & Whitney Canada PW127E

Operators

Civil operators

Air Madagascar ATR 42–500 at Toliara Airport, Madagascar
An ATR-42-320 of former operator Coast Air
Danish Air Transport ATR 42–300
TAME ATR-42-500 Airport in Jose Joaquin de Olmedo International Airport, Guayaquil
File:Avião da TRIP Linhas Aéreas no Aeroporto da Usiminas, Ipatinga-Santana do Paraíso MG.JPG
An ATR 42 of TRIP Linhas Aéreas

The largest operators of the ATR-42 are FedEx Express, Airlinair, TRIP Linhas Aéreas,and Mexico City-based Aeromar respectively. Number of aircraft as of 2010:

Some 70 other airlines operate smaller numbers of the type.[15]

Military and government operators

Guardia di Finanza ATR 42MP (MM62166) takes off at the Royal International Air Tattoo, Fairford, Gloucestershire, England.
 Colombia
 Gabon
 Italy
 Libya
 Nigeria
  • Nigerian Air Force (two ATR 42 MPs on order for 2009 delivery, one delivered as of December 2009, second delivered in early 2010)[16]

Accidents and incidents

  • On 21 August 1994, a Royal Air Maroc ATR-42 crashed into the Atlas Mountains, killing all 44 people on board. It was claimed the pilot deliberately disengaged the autopilot and crashed the plane.
  • 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.[19]
  • On 9 June 2012, ATR-42 OK-KFM named "Benešov", configured for 46 passengers and operated by the Czech Airlines, burned in the Hangar F at the Prague Ruzyně Airport following explosions. The machine, entered in Czech register on 5 May, 2005, was a total hull loss.
  • There have been a total of 23 hull-loss occurrences.[25]

See also

Related development

Aircraft of comparable role, configuration, and era

References

  1. ^ Detailed Milestones
  2. ^ a b c ATR ATR-42 | Airliners.net
  3. ^ ATR – Propelling Tomorrow's World
  4. ^ a b ATR 42-300/320
  5. ^ [1]
  6. ^ ATR 42/72-600
  7. ^ ATR 42 (International), Aircraft – Fixed-wing – Civil
  8. ^ ATR cargo solutions
  9. ^ ATR 42 Surveyor
  10. ^ ATR VIP
  11. ^ ATR In-flight
  12. ^ "ATR 42–500". ATR. Retrieved 8 November 2010.
  13. ^ Jackson 2003, pp. 224–225.
  14. ^ KFA ATR42 Fleet
  15. ^ Flight International, 3–9 October 2006
  16. ^ Alenia Aeronautica delivers second ATR 42 MP to the Nigerian Air Force aviationnews.eu
  17. ^ Aviation Safety Net
  18. ^ http://aviation-safety.net/database/record.php?id=19970730-0
  19. ^ ASN Aircraft accident ATR-42-320 A2-ABB Gaborone-Sir Seretse Khama International Airport (GBE)
  20. ^ http://aviation-safety.net/database/record.php?id=19991112-0
  21. ^ "Accident description PT-MTS". Aviation Safety Network. Retrieved 23 July 2011.
  22. ^ Aviation Safety Net
  23. ^ CNN: FedEx plane crashes in Texas 27 January 2009
  24. ^ "Plane crashes in eastern Venezuela". BBC News Online. 14 September 2010. Archived from the original on 14 September 2010. Retrieved 13 September 2010. {{cite news}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  25. ^ Aviation Safety Net
  • Jackson, Paul. Jane's All The World's Aircraft 2003–2004. Coulsdon, UK: Jane's Information Group, 2003. ISBN 0-7106-2537-5.
  • Taylor, Michael J. H. Brassey's World Aircraft & Systems Directory 1999/2000. London: Brassey's, 1999. ISBN 1-85753-245-7.
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