Caspar CLE 11

Last updated November 18, 2025

The Caspar CLE 11 was a cantilever-parasol monoplane cabin airliner built and flown in Germany in 1923.

Development

One CLE 11 was built (registration D-294), and it took part in the International Air Exhibition in Gothenburg (Sweden) in July 1923.^[1]

Specifications

Data from^[1]

General characteristics

Crew: One
Capacity: 2 passengers
Length: 6.72 m (22 ft 1 in)
Wingspan: 12.00 m (39 ft 4 in)
Height: 2.20 m (7 ft 3 in)
Wing area: 19.00 m² (204.5 sq ft)
Empty weight: 450 kg (992 lb)
Gross weight: 830 kg (1,830 lb)
Powerplant: 1 × Siemens-Halske Sh 5 5-cylinder air-cooled radial piston engine, 60 kW (80 hp)
Propellers: 2-bladed fixed pitch propeller

Performance

Maximum speed: 160 km/h (99 mph, 86 kn)
Cruise speed: 145 km/h (90 mph, 78 kn)
Range: 800 km (500 mi, 430 nmi)
Endurance: 6 hours
Service ceiling: 3,000 m (9,800 ft)

References

Citations

1 2 "Caspar CLE 11". Histaviation.com. Retrieved 27 February 2019.

Bibliography

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[ha-1] 1 2 "Caspar CLE 11". Histaviation.com. Retrieved 27 February 2019.

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