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Piaggio P.180 Avanti

By Wikipedia,
the free encyclopedia,

http://en.wikipedia.org/wiki/Piaggio_P.180_Avanti

P.180 Avanti
Aeronautica Militare Piaggio P.180 Avanti
Role Executive transport
Manufacturer Piaggio Aero
First flight 26 September 1986
Primary users Italian Armed Force
Avantair
Number built 150 delivered to May 2008

The Piaggio P.180 Avanti is a twin-engine business aircraft produced by Piaggio Aero. It seats up to nine passengers in a pressurized cabin, and may be flown by one or two pilots.

The innovative design places the main wing behind and above the canard-like horizontal stabiliser, features a laminar flow fuselage and has engines in pusher configuration.


Design and development


Cockpit and instrument panel aboard a P.180 Avanti.
Cockpit and instrument panel aboard a P.180 Avanti.

The P.180 design was tested in wind tunnels in Italy and the U.S. in 1980 and 1981. A collaboration with Learjet to develop the aircraft began in 1983 but ended on 13 January 1986, with Piaggio continuing development on its own. The first prototype flew on 23 September 1986. U.S. and Italian certification was obtained on 7 March 1990. Learjet's influence can be seen in the two "delta fins" mounted on the bottom of the tail, as found on most Learjets; these devices provide aerodynamic recovery force in the event of an aerodynamic stall. The first 12 fuselages were manufactured in Wichita, with H & H Parts and Plessey Midwest, then flown to Italy for final assembly. Avanti Aviation Wichita ran out of money in 1994; the project languished until a group of investors led by Piero Ferrari became involved in 1998. The 100th aircraft was delivered in October 2005 and the 150th in May 2008.

An improved Avanti II obtained European and U.S. certification in November 2005. Six months later, 70 planes were already ordered, including 36 by Avantair. The Avanti II features uprated Pratt & Whitney Canada PT6 turboprop engines and flies about 18 km/h (11 mph) faster, with better fuel economy; an all-new "glass panel" avionics suite reduces cockpit clutter. In addition to heading, attitude and navigation information, flat panel color LCD displays add collision avoidance (TCAS), ground proximity (TAWS) and real-time graphic weather depiction.

Configuration

The Avanti's turboprop engines are placed on a mid-fuselage, high aspect ratio wing, located behind the cabin. The design utilizes both a T-tail and a pair of small, fixed anhedral forward wings that lack control surfaces. The arrangement of the wing surfaces allows all three to provide lift, as opposed to a conventional configuration, where the horizontal stabilizer creates a downward force to counteract the nose-down moment generated by the center of gravity being forward of the center of lift.

Distinctive design features include a non-constant cross section cabin, the revolutionary shape of which approximates a NACA airfoil section. Piaggio claims the fuselage contributes up to 20% of the Avanti's total lift, with horizontal stabilizer, front and rear wing providing the remaining 80%. Because of the unusual fuselage shape, the mid cabin is considerably wider than the cockpit, and the entire cabin is ahead of the main wing spar. The front and rear airfoils are custom sections designed by Dr. Jerry Gregorek of The Ohio State University to achieve a drag-reducing 50% laminar flow at cruise.

The company claims the overall design of the P.180 Avanti II enables the wing to be 34% smaller than on conventional aircraft and a specific range of 0.84 nmi/lb of fuel. This is significantly better than the 0.31-0.48 nmi/pound of similar small jets.

The P.180 makes a distinctive square wave noise when passing overhead, similar to the Beech Starship, due to the wing wake and engine exhaust effects on the pusher propellers. Piaggio pilots remark that exterior noise is odd sounding, although not appreciably noisier than comparable turboprop aircraft. Indeed, interior noise is the lowest of nearly any aircraft turboprop or jet.

Variants


Aeronautica Militare P.180 Avanti
Aeronautica Militare P.180 Avanti
P.180 Avanti
First production version.
P.180 Avanti II
Improved version: uprated Pratt & Whitney Canada PT6 engines, glass cockpit, collision avoidance, ground proximity and real-time graphic weather depiction.
P.180 M
P.180 Avanti military version. Combi configuration for VIP and light utility transport. FLIR, SAR radar and surveillance systems predisposition.
P.180 RM
Radio calibration. Chaff and flares predisposition.
P.180 AMB
Ambulance Service.
P.180 APH
Aerial cartography.

Operators


Fire fighter Avanti,
Fire fighter Avanti, "vigili del fuoco" Rome-Ciampino

Avanti parked on tarmac
Avanti parked on tarmac

Avanti at Colorado Springs Municipal Airport
Avanti at Colorado Springs Municipal Airport
 Canada
 Indonesia
 Italy
 Poland
  • Ambulance Service
 United States

Specifications (P.180 Avanti)

Data from Brassey's World Aircraft & Systems Directory 1999-2000

General characteristics

  • Crew: one or two pilots
  • Capacity: up to nine passengers
  • Cabin dimensions: 1.75 m (5 ft 9 in) high, 1.85 m (6 ft 1 in) wide, 4.45 m (14 ft 7 in) long
  • Payload: 907 kg (2,000 lb)
  • Length: 14.41 m (47 ft 3½ in)
  • Wingspan: 14.03 m (46 ft 0½ in)
  • Height: 3.97 m (13 ft 0¾ in)
  • Wing area: 16 m² (172.2 ft²)
  • Empty weight: 3,400 kg (7,500 lb)
  • Useful load: 1,860 kg (4,100 lb)
  • Max takeoff weight: 5,239 kg (11,550 lb)
  • Powerplant:Pratt & Whitney Canada PT6A-66 turboprops, 634 kW (850 shp) each

Performance

See also

Comparable aircraft

Related lists

Bibliography

External links




Text from Wikipedia is available under the Creative Commons Attribution/Share-Alike License; additional terms may apply.


Published - July 2009














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