Project Description

This Plane is ON LOAN to the Mid America Flight Museum

MPH

355

WEAPONS

0

SEATS

6

On Mark A-26

Class:  Six SeatTwin Engine Executive Transport

National Origin: United States

Manufacturer: On Mark Engineering

First Flight: 1961

Primary User: Executive Operators

Number Built: 8

WIP

General characteristics

  • Crew: Two
  • Capacity: five passengers
  • Length: 53 ft 10 in (16.41 m)
  • Wingspan: 71 ft 6 in (21.79 m)
  • Height: 18 ft 16 in (5.64 m)
  • Wing area: 540 ft² (50 m²)
  • Empty weight: 25,200 lb (11,429 kg)
  • Max. takeoff weight: 35,000lb (15,876 kg)
  • Powerplant: 2 × Pratt & Whitney R-2800-CB16/17 “Double Wasp” radials, 2,500 hp (1,500 kW) each

Performance

  • Maximum speed: 365 mph (317 knots, 587 km/h)
  • Range: 2,600 miles (2,260 nmi, 4,183 km)
  • Service ceiling: 12,000 ft (3,657.6 m)
  • Rate of climb: 1,700 ft/min (8.3 m/s)
  • Wing loading: 64.8 lb/ft² (316.55 kg/m²)
  • Power/mass: 0.143 hp/lb (106.5 W/kg)