Lohner Type M

The Lohner M was a biplane flying boat with slightly backswept wings and the pilot and observer sat side-by-side in the cockpit. One version of the Type M, the "MkN", was designed as a mine-spotting plane.^[1]

M

(M1) Initial production aircraft powered by 85 hp (63 kW) Hiero 4-cylinder water-cooled in-line piston engine; 4 delivered to KuK Kriegsmarine (E.17 to E.21).

Mn

(M2) Second production batch; 5 delivered to KuK Kriegsmarine (E.33 to E.38).

Mk

A single M powered by 100 hp (75 kW) Mercedes D.I (M.31)

Mkn

The Type Ms patrolled the Adriatic Sea from 1914 until spring 1915, but they were supplanted by the Lohner Type L. After 1915, the Type Ms were consigned to second-line duties, but remained in service until 1917.^[2]

Austria-Hungary

• Austro-Hungarian Navy

Data from Windsock Datafile 127: Lohner Type M ^[2]

General characteristics

• Crew: 2 (pilot and observer)
• Length: 9.2 m (30 ft 2 in) overall

8.3 m (27 ft) hull only

• Upper wingspan: 13 m (42 ft 8 in)
• Lower wingspan: 8.4 m (27 ft 7 in)
• Height: 3.1 m (10 ft 2 in)
• Wing area: 31 m² (330 sq ft)
• Empty weight: 580 kg (1,279 lb)
• Gross weight: 900 kg (1,984 lb)
• Powerplant: 1 × Hiero 4-cylinder water-cooled in-line piston engine, 63 kW (85 hp)

Performance

• Maximum speed: 90 km/h (56 mph, 49 kn)
• Range: 500 km (310 mi, 270 nmi)
• Endurance: ca. 5 hours
• Service ceiling: 2,500 m (8,200 ft)
• Time to altitude:
  

500 m (1,600 ft) in 7.5 minutes

1,000 m (3,300 ft) in 25 minutes

Armament

• Guns: 1 × trainable machine gun for observer
• Bombs: 50 kg (110 lb) of bombs

Related development

• Lohner L

Related lists

• List of maritime patrol aircraft
• List of flying boats and floatplanes
• List of World War I Central Powers aircraft