Nielsen & Winther Type AA

The Nielsen & Winther Type AA was a Danish fighter aircraft of the 1910s manufactured by Nielsen & Winther in Copenhagen.

Photograph of Nielsen Aa aircraft

Type AA
Role	Single-seat fighter
National origin	Denmark
Manufacturer	Nielsen and Winther A/S
First flight	21 January 1917
Introduction	1917
Retired	1919
Primary user	Danish Army
Number built	6

Development

The first Danish fighter aircraft to be conceived and built, the single seat Type AA was of wooden construction and powered by a 90 hp Thulin rotary engine. It was armed with one 8 mm Madsen machine gun.

Operational history

The first flight took place on 21 January 1917. The plane was tested again in 1918, this time with synchronising gear for its single Madsen machine gun. During 1917 six Type AA aircraft were delivered to the Danish Army, though they saw little service and were retired in 1919 owing to engine unreliability.

Variants

• Type AB
  • Two-seat reconnaissance version, prototype
• Type AC
  • Floatplane version of the Type AA, prototype

Operators

Denmark

• Danish Army (Royal Danish Army Air Corps)

Norway

• Royal Norwegian Air Force

Aircraft on display

• Danmarks Flyvemuseum, Helsingør: Replica Type AA

Specifications (Type AA)

Data from Green

General characteristics

• Crew: 1
• Length: 6.60 m (21 ft 8 in)
• Wingspan: 7.70 m (25 ft 3.13 in)
• Height: 2.8 m (9 ft 2.25 in)
• Empty weight: 350 kg (772 lb)
• Gross weight: 550 kg (1,212 lb)
• Powerplant: 1 × Thulin rotary engine , 67 kW (90 hp)

Performance

• Maximum speed: 150 km/h (93 mph, 81 kn)

Armament

• 1 x 8 mm Madsen machine gun