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History Brief, by Johan Visschedijk

December 15, 2003

El Galiván 358 Galiván (Sparrowhawk)


Colombian Aero Mercantil started distributing Pipers in 1952 and began assembling Piper kits in 1968. Eric Leaver, project manager with Aero Mercantil, wanted to produce a taxi/transporter for the South American market. The design was made by General Aviation Technical Services (former Piper engineers) of Lock Haven Pennsylvania, by specification of Leaver: Piper PA-18-type, 150 mph, high-wing utility, large doors, tubular construction, no machined parts.

The prototype, bearing a superficial resemblance to the larger Cessna 208 Caravan, was built by Aero Mercantil and Columbia’s first indigenous aeroplane made its maiden flight in Bogotá on April 28, 1990. Late 1991 the Gavilán was transferred to Lock Haven for further flight-testing and for certification flying. A new company, El Gavilán S.A., was formed to handle all development and production-related issues.

Disaster struck late February 1992 when a broken engine crankshaft caused an emergency landing; the Galiván prototype sustained substantial damaged and the program had a setback of many months. Finally after 8 years of development the FAA Type Certificate was issued on May 26, 1998. Four Gaviláns were delivered to the Columbian AF and one to the Columbian Navy. The four Air Force aircraft were fitted with weather radars in the first half of 2000.

The 350 hp powered Gavilán is a simple aeroplane with simple systems and easy and comfortable flying characteristics. The aircraft can be used for bush, charter, taxi, ambulance and small cargo operations, carrying up to seven passengers or four patients on litters and an attendant. In addition to tricycle landing gear it is offered with twin-floats.

Recently (October 2003) Gavilan Aircraft Corporation of Canada Inc was incorporated with the intention to locate the aircraft manufacturing operations of El Gavilán S.A. of Bogotá to Montreal, Quebec. A Pratt & Whitney (Canada) turboprop powered version, the 508T Gavilán, is under development.

358 Galiván Walter Van Tilborg Collection

Specifications

Type:

Light multi-role transport aircraft

Engine:

One 350 hp Textron Lycoming TIO-540-W2A piston turbocharged engine

Span:

40 ft in (12.19 m)

Length:

31 ft 25 in (9.53 m)

Height:

11 ft 0 in (3.35 m)

Wing area:

204 sq.ft (18.95 sq.m)

Empty Wt:

2,800 lb (1,270 kg)

Max T/O Wt:

4,500 lb (2.041 kg)

Max speed:

268 mph (166 km/h)

Max climb:

800 ft (244 m)/min

Ceiling:

22,500 ft (6,859 m)

Range:

820 mls (1,320 km) at 75% power, with 45 min reserve

Models

El Galiván 358 Galiván:

initial version

El Galiván 508T Galiván:

proposed turbine-powered version