Seamax M-22

The Seamax M-22[2][3] is a Brazilian single-engine, amphibious light sport aircraft (LSA) and Fédération Aéronautique Internationale microlight. Originally manufactured by AirMax Construções Aeronáuticas of Jacarepaguá and called the Airmax SeaMax, since 2015 it has been built by Seamax Aircraft of Sao Paulo.[4][5]

Seamax M-22
Seamax M-22
Role Amphibious light-sport aircraft and FAI microlight
National origin Brazil
Manufacturer Airmax Construções Aeronáuticas
Seamax Aircraft
Designer Miguel Rosario
First flight 2000
Status In production
Number built 160 (2018)[1]

Design and development

The Seamax M-22 was designed in 1999. A prototype was flown in 2000 and the first production aircraft left the factory in 2001. The Seamax M-22 is constructed using composite materials and metal components. It has a two-seat, side-by-side configuration cabin with a bubble canopy which is hydraulically raised for access. The high-wing is strut-braced and the tail is a cruciform tail. The aircraft's tricycle landing gear is retractable for landing on water. It is powered by a 100 hp (75 kW) Rotax 912ULS pusher configuration engine mounted above the wing to avoid water ingestion.[4]

Versions can be constructed to meet the requirements of both the European microlight and US LSA categories.[5] A version with folding wings is available as the M-22 FW.[6]

A total of 160 had been built by 2018.[1]

Specifications
SeaMax in Linnasalmi, Hämeenlinna

Data from Bayerl[4]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Wingspan: 8.75 m (28 ft 8 in)
  • Wing area: 12.24 m2 (131.8 sq ft)
  • Empty weight: 300 kg (661 lb)
  • Gross weight: 520 kg (1,146 lb)
  • Fuel capacity: 96 litres (21 imp gal; 25 US gal)
  • Powerplant: 1 × Rotax 912ULS four cylinder, liquid and air-cooled, four stroke, 75 kW (101 hp)

Performance

  • Maximum speed: 210 km/h (130 mph, 110 kn)
  • Cruise speed: 195 km/h (121 mph, 105 kn)
  • Stall speed: 58 km/h (36 mph, 31 kn)
  • Rate of climb: 5 m/s (980 ft/min)

See also

Aircraft of comparable role, configuration, and era

Related lists

References
Wikimedia Commons has media related to AirMax SeaMax.
  1. Danielle Nogueira (28 July 2018). "Saiba quem são os pequenos fabricantes que vivem à sombra da Embraer". O Globo. Retrieved 18 October 2021.
  2. "ANAC reconhece aeronave Seamax M-22 como ALE Especial". Agência Nacional de Aviação Civil ANAC.
  3. "SEAMAX AIRCRAFT | Light-Sport | Amphibious | United States | Brazil". SEAMAX.
  4. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 23. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  5. Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 79. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  6. Caldwell, Kris (April 2023). "SEAMAX M-22 FW". EAA Sport Aviation. 74 (4): 30–34.
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