Civil aviation

The Boeing 727 is a mid-size, narrow-body, three-engine, T-tailed commercial jet airliner.

Boeing 727: Champion Boeing 727 N675MG. Photo (CC) Drewski2112.

The 727's fuselage has an outer diameter of 148 inches (3.8 m). This allows six-abreast seating (three per side) and a single central access walkway when coach-class (18 inch width) seats are installed.

The Boeing 707 is a four-engine commercial passenger jet airliner developed by Boeing in the early 1950s.

Boeing 707: Boeing 707-138B QANTAS Jett Clipper Johnny/N707JT. Photo (CC) phinalanji.

The Boeing 717 is a twin-engine, single-aisle jet airliner, developed for the 100-seat market. The airliner was designed and marketed by McDonnell Douglas as the MD-95, a third-generation derivative of the DC-9.

Boeing 717: Air Tran Boeing 717-200 4 - N949AT at HOU. Photo (CC) E-Mans av8pix.com.

The Boeing 777 is a long range, wide-body twin-engine airliner manufactured by Boeing Commercial Airplanes.

Boeing 777: British Airways Boeing 777 landing at London Heathrow runway 09L. Photo (CC) lemoncat1.

The Boeing 767 is a mid-size, wide-body twinjet airliner produced by Boeing Commercial Airplanes.

Boeing 767: LOT Polish Airlines Boeing 767 landing Toronto-Pearson . Photo (CC) bribriTO.

The Boeing 747 is a widebody commercial airliner. Often referred to by the nickname "Jumbo Jet", is among the world's most recognizable aircraft, and was the first widebody ever produced.

Boeing 747: Corsair's 747-422 F-HLOV arriving from Paris Orly as SS900. Photo (CC) caribb.

The Boeing 737 is a short to medium range, single aisle, narrow body jet airliner. Originally developed as a shorter, lower cost twin engine airliner derived from Boeing's 707 and 727, the 737 has nine variants, from the early -100 to the most recent and largest, the -900. Series -600 through -900 are still being produced.

Boeing 737: Aegean Airlines (SX-BGV), Boeing 737-400. Photo (CC) Andrei Dimofte

The Eurocopter Super Puma is a four-bladed, twin-engine, medium-size utility helicopter marketed for civil and military use.

AS-332 Super Puma helicopter: PACIFIC OCEAN (April 5, 2008) An AS-332 Super Puma helicopter flies past the Arleigh Burke-class destroyer USS Momsen (DDG 92) and the Oliver Hazard Perry-class frigate USS Curts (FFG 38) as it transports supplies from the Military Sealift Command combat stores ship USNS Niagara Falls (T-AFS-3) to the aircraft carrier USS Abraham Lincoln (CVN 72).

The Airbus A380 is a double-deck, wide-body, four-engine airliner manufactured by the European corporation Airbus, an EADS subsidiary.

Airbus A380: The Airbus A380 performing in flight at the Paris Air Show 2007. Photo (CC) François Roche

The Boeing 757 is a short to medium range narrow-body commercial passenger aircraft manufactured by Boeing Commercial Airplanes.

Boeing 757: Delta Air Lines Boeing 757-232 N6705Y. Photo (CC) Cubbie_n_Vegas

The McDonnell Douglas MD-11 is an American three-engine medium to long-range widebody airliner, with two engines mounted on underwing pylons and a third engine at the base of the vertical stabilizer.

McDonnell-Douglas MD-11: EVA Air Cargo McDonnell Douglas MD11 (B-16113) landing at London (Heathrow) Airport in August 2004. Taken by Adrian Pingstone and released to the public domain.

The Sikorsky S-76 Spirit is a multi-purpose medium-size commercial helicopter. The S-76 is powered by two turboshafts, has a four-blade main and a four-blade tail rotor as well as a retractable landing gear.

Sikorsky S-76 Spirit: Sikorsky S-76 Air Ambulance lifting off from the helipad at University Hospital, London, Ontario. Photo (CC) OntCopper

The Gulfstream V is a business jet aircraft produced by Gulfstream Aerospace. It is also used by the US military under the designation C-37A.

Gulfstream V flight: Gulfstream V in flight. Photo (CC) Javier Pedreira

The G500 and G550 are improved versions which are currently in production. The Gulfstream G550 was formerly known as the Gulfstream V SP (G-V SP).

The Beechcraft King Air family is part of a line of twin-turboprop aircraft produced by the Beech Aircraft Corporation (now Beechcraft Division of Hawker Beechcraft).

Beechcraft King Air: Beech King Air 100, final approach. Photo (CC) jmiguel rodriguez

The Learjet Model 35 and Model 36 are a series of American multi-role business jets and military transport aircraft.

Learjet 35 side: Learjet 35. Photo (CC) Kevin Boydston

When used by the United States Air Force they carry the designation C-21A).