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N.S.7 (North Sea-class)

Non-Rigid Airship

United Kingdom | 1917

"N.S.7 served from 1917 through to the end of World War 1, completing her final flight in 1921."

Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the N.S.7 (North Sea-class) Non-Rigid Airship.
EARLY: 2 x Rolls-Royce Eagle engines developing 250 horsepower each; LATER: Fiat engines developing 240 horsepower each.
57 mph
92 kph | 50 kts
Max Speed
9,514 ft
2,900 m | 2 miles
Service Ceiling
1,367 miles
2,200 km | 1,188 nm
Operational Range
The nose-to-tail, wingtip-to-wingtip physical qualities of the N.S.7 (North Sea-class) Non-Rigid Airship.
262.0 ft
79.86 m
O/A Length
54.1 ft
(16.50 m)
O/A Width
69.2 ft
(21.10 m)
O/A Height
4,409 lb
(2,000 kg)
Empty Weight
8,818 lb
(4,000 kg)
Available supported armament and special-mission equipment featured in the design of the N.S.7 (North Sea-class) Non-Rigid Airship .
3 to 5 x 7.7mm Lewis Gun machine guns

Up to 1,380lb of conventional drop ordnance across six hardpoints.
Notable series variants as part of the N.S.7 (North Sea-class) family line.
NS7 - Base Series Designation

Authored By: Staff Writer | Last Edited: 10/18/2016 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.

At the start of World War 1 (1914-1918), the British air service could claim just six airships to its name. This inventory eventually grew as the war advanced and airships and blimps played an ever-increasing role throughout the conflict until matched by the latest fighters and "blimp busters". The North Sea-class airships - or NS-class - of Britain were developed as non-rigid (lacking an internal framework structure) for Royal Navy Air Service (RNAS) operation in mind and arrived in 1917, a first-flight recorded on February 1st of that year. Fourteen of the class were eventually completed and the series flew into the early 1920s. One of the stock was N.S.7 which managed to survive the remainder of the war. She was based out of East Fortune for her part in the conflict.

Airships of the period were used to provide crucial wartime service such as submarine hunting, maritime reconnaissance, naval artillery direction and convoy escort.

As a class, the ship's design carried a crew of ten personnel and were powered by 2 x Rolls-Royce Eagle engines of 250 horsepower. These were later replaced on some airships by 2 x Fiat engines of 240 horsepower each. Performance included a maximum speed of nearly 60 miles per hour with an endurance window of 24 hours and a service ceiling of 9,500 feet.

Three to five 7.7mm Lewis Gun machine guns were carried for point defense against marauding enemy fighters. A bombload of 1,380lb was made up of conventional drop stores.

Of the fourteen NS-class airships available, just six were in service at the end of the war. N.S.7 was used as an aerial escort of the surrendered German High Seas Fleet in the voyage to Rosyth after the war. The airship completed its final flight on October 25th, 1921.

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Global customers who have evaluated and/or operated the N.S.7 (North Sea-class). Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 14 Units

Contractor(s): United Kingdom

[ United kingdom ]
Going Further...
The N.S.7 (North Sea-class) Non-Rigid Airship appears in the following collections:
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