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Cosmos Phase II

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This object is on display in the Boeing Aviation Hangar at the Steven F. Udvar-Hazy Center.


A conservation group called Operation Migration, dedicated to replenishing the numbers of endangered birds such as Whooping cranes, used this two-seat ultralight to lead flocks along new migration routes up to 4,025 km (2,500 miles) long, from Canada to the southern United States. Pilots averaged about 50.6 km/h (31 mph) when leading the birds, but occasionally they flew as fast as 112.7 km/h (70 mph) and as high as 1,216 m (4,000 ft). Operation Migration staff added the propeller guard, GPS navigation unit, and sound systems to broadcast adult crane calls during flight. The ultralight also appeared in the Hollywood film "Fly Away Home." The term 'trike' refers to the tricycle landing gear fitted to the cart suspended beneath the wing. The cart contains the cockpit and engine.

Gift of Joseph W. Duff, CEO Operation Migration.

Manufacturer: Cosmos

Dimensions: Wingspan: 10.6 m (34 ft 10 in)
Length (wing): 3.6 m (12 ft)
Length (trike) 2.8 m (9 ft 4 in)
Height: 2.5 m (8 ft 4 in)
Weights: Empty, 163 kg (360 lb)
Gross, 400 kg (884 lb)
Engine: Rotax 503 UL DCDI, 2-cylinder, 2-cycle,
50 horsepower
Stall speed: 37 km/h (23 mph)
Cruising speed: 60 km/h (37 mph)
Maximum speed: 85 km/h (53 mph)

Physical Description:Serial # B21178, Canadian Aircraft Registration # C-IEQU

Inventory number: A20060594000

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