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P180 Avanti
	Aeronautica Militare Piaggio P180 Avanti
Role	Executive transport
Manufacturer	Piaggio Aero
First flight	26 September 1986
Primary users	Italian Armed Force; Avantair
Number built	175 delivered to May 2009[citation needed]
Unit cost	US$ 5.3 million[citation needed]

The Piaggio P180 Avanti is an Italian twin-engine turboprop 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.

[edit] Development

Cockpit and instrument panel aboard a P180 Avanti.

The P180 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.^[1] U.S. and Italian certification was obtained on 7 March 1990.^[2] 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.

[edit] Design

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's AARL to achieve a drag-reducing 50% laminar flow at cruise.

The company claims the overall design of the P180 Avanti II enables the wing to be 34% smaller than on conventional aircraft and a specific range of 0.84 nmi/lb of fuel.^[3] This is significantly better than the 0.31-0.48 nmi/pound of similar small jets. ^[4]

The P180 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.

[edit] Variants

Aeronautica Militare P180 Avanti

P180 Avanti: First production version.
P180 M: P180 Avanti military version. Combi configuration for VIP and light utility transport. FLIR, SAR radar and surveillance systems predisposition.
P180 RM: Radio calibration. Chaff and flares predisposition.
P.180 AMB: Ambulance Service.
P180 APH: Aerial cartography.
P180 Avanti II: Improved version: uprated Pratt & Whitney Canada PT6 engines, glass cockpit, collision avoidance, ground proximity and real-time graphic weather depiction.

[edit] Operators

Avanti belonging to Vigili del Fuoco, Rome-Ciampino

Avanti parked on tarmac

Avanti at Colorado Springs Municipal Airport

Canada

Royal Canadian Mounted Police

Germany

Execujet Aviation Group

Indonesia

Susi Air

Italy

Aeronautica Militare (Italian Air Force)
Marina Militare (Italian Navy)
Italian Army
Corpo Forestale dello Stato (Italian State Forestry Department)
Corpo Nazionale dei Vigili del fuoco (Italian Firefighters)
Italian Civil defense
Polizia di Stato
Carabinieri
Guardia di Finanza

Poland

Ambulance Service

United States

Avantair

United Arab Emirates

United Arab Emirates Air Force ordered two aircraft at the 2009 Paris Air Show .^[5]

[edit] Specifications (P180 Avanti)

Data from Brassey's World Aircraft & Systems Directory 1999-2000 ^[6]

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: 2× Pratt & Whitney Canada PT6A-66 turboprops, 634 kW (850 shp) each

Performance

Maximum speed: 732 km/h (395 kn, 455 mph)
Cruise speed: 593 km/h^[7] (320 kn, 368 mph) (econ cruise)
Range: 2,592 km (1,400 nmi, 1,612 mi) at 11,900 m (39,000 ft) with reserves
Service ceiling: 12,500 m (41,000 ft)
Rate of climb: 14.98 m/s (2,950 ft/min)
Wing loading: 327 kg/m² (67.1 lb/ft²)
Power/mass: 0.24 kW/kg (6.79 lb/hp)

[edit] See also

Comparable aircraft

Related lists

[edit] References

[edit] Notes

^ Taylor 1988, p. 163.
^ Taylor 1999, p. 439.
^ Piaggio Aero's page concerning efficiency
^ http://www.spectrum.aero/media/Spectrum_Independence_Specs.pdf
^ Peaford, Alan. "PARIS AIR SHOW: UAE selects Piaggio Avanti for multi-utility role". Flightglobal.com. 15 June 2009. Retrieved 29 August 2009.
^ Taylor 1999, pp. 438—439.
^ Taylor 1988, p. 164.

[edit] Bibliography

Taylor, John W.R. (ed.) Jane's All The World's Aircraft 1988-89. Coulsdon, UK:Jane's Defence Data, 1988. ISBN 0-7106-0867-5.
Taylor, Michael J.H. (ed.) Brassey's World Aircraft & Systems Directory 1999/2000 Edition. London: Brassey's, 1999. ISBN 1-85753-245-7.

[edit] External links

Wikimedia Commons has media related to: Piaggio P180

[Janes_88_p163-0] Taylor 1988, p. 163.

[Brasseys_99_p438-1] Taylor 1999, p. 439.

[2] Piaggio Aero's page concerning efficiency

[3] ttp://www.spectrum.aero/media/Spectrum_Independence_Specs.pdf

[4] Peaford, Alan. "PARIS AIR SHOW: UAE selects Piaggio Avanti for multi-utility role". Flightglobal.com. 15 June 2009. Retrieved 29 August 2009.

[Brasseys_99_p438-9-5] Taylor 1999, pp. 438—439.

[Janes_88_p164-6] Taylor 1988, p. 164.

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