ATOL 495

Atol is a two-seat kit amphibious aircraft with a wood composite structure. It is available in ultralight and light-sport aircraft (LSA) versions. Atol aircraft are produced by the Finnish company Atol Avion.

ATOL 495
Role Sport amphibian
National origin Finland
Manufacturer Atol Avion
Atol USA
Designer Markku Koivurova
First flight 23 August 1988
Number built 5

In April 2017 it was announced that the aircraft will be built for the North American Market by Atol USA of Brunswick Landing, Maine.[1]

Development

The Atol was designed by Markku Koivurova and produced by Martekno Ky and later Atol Avion Ltd. The development of Atol began in the 1970s, inspired by the American Osprey II. The first versions of the design used the Ken Rand KR structure. Atol’s predecessors were larger and their structure recalled the traditional structure of a wooden aircraft.[2]

The first water taxi tests of the new LSA version, the Atol 650, were commenced in December 2014 on the Kemijoki River, Finland, on the Arctic Circle.[3] This new version first flew on 9 April 2015.[4]

The 650 model will be built in Maine, United States, with European deliveries late in 2018 and US deliveries starting in 2019.[5]

On 3 July 2018, the 650 LSA prototype, OH-XNA crashed and burnt, near Rovaniemi.[6]

Specifications (ATOL 495 LSA)

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Length: 7.45 m (24 ft 5 in)
  • Wingspan: 9 m (29 ft 6 in)
  • Wing area: 13.5 m2 (145 sq ft)
  • Empty weight: 340 kg (750 lb)
  • Max takeoff weight: 650 kg (1,433 lb)
  • Fuel capacity: 75 l (16 imp gal)
  • Powerplant: 1 × Rotax 912 iS , 75 kW (100 hp)
  • Propellers: 3-bladed fixed pitch propeller, 1.72 m (5 ft 8 in) diameter

Performance

  • Cruise speed: 170 km/h (110 mph, 92 kn)
  • Stall speed: 74 km/h (46 mph, 40 kn)
  • Range: 750 km (470 mi, 400 nmi)
  • Endurance: 5 hours
  • Take-off distance from water: 450 m (1,476 ft) (LSA)

Notes
  • Bodin, Jan: Perpetual Product Development - a Study of Small Technology-Driven Firms 2000, p. 143-151, University of Umeå's print, Umeå Sweden, 2000. ISBN 91-7191-752-7
  • Joensuu, Elina: Design in Finland 30 Years 1991, p. 30, Hämee's bookprint Ltd, Häme Finland, 1991. ISSN 0418-7717

References
  1. Niles, Russ (8 April 2017). "Finnish Amphib To Be Built In Maine". AVweb. Retrieved 9 April 2017.
  2. Atol Avion Company Website
  3. Grady, Mary (24 December 2014). "Atol Starts Water-Taxi Tests". AVweb. Retrieved 26 December 2014.
  4. "Atol Amphib Completes First Flight". avweb.com. Retrieved 13 April 2015.
  5. Baker, Jason (21 April 2018). "Aero: Atol 650 Amphib Finds U.S. Manufacturer". AVweb. Retrieved 24 April 2018.
  6. Ranter, Harro. "Accident ATOL 650 LSA OH-XNA, 03 Jul 2018". aviation-safety.net. Retrieved 3 July 2018.
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