The Supermarine P.B.31 Night Hawk with searchlight in nose and Davis gun mounted on the Scarff ring on the top wing.

Самолёты на фотографии: Aircrafts on the photo: Pemberton-Billing P.B.29 / P.B.31 Nighthawk - ВеликобританияUnited Kingdom - 1916

Another wartime production was this twin-engined quadruplane built in 1916. Note the gun positions in the nose of the fuselage and on the top plane.
The 60ft-span Night Hawk minus its armament. a “Battleplane” armed with three COW guns as well as machine-guns.

Самолёты на фотографии: Aircrafts on the photo: Pemberton-Billing P.B.29 / P.B.31 Nighthawk - ВеликобританияUnited Kingdom - 1916

The Royal Aircraft Factory N.E.1, or Night-flying Experimental, was designed in 1917 and was powered by a 200 h.p. Hispano-Suiza engine. Armament consisted of either a COW quick-firing gun or a Vickers “rocket gun”.

Самолёты на фотографии: Aircrafts on the photo: RAF N.E.1 - ВеликобританияUnited Kingdom - 1917

The Fairey N.4 variant N129 Titania was, in its day, the largest flying-boat in the world. It had a span of 140ft and a gross weight of more than 30,000lb. There were apparently plans to equip N129 with a COW gun - can anyone confirm this?

Самолёты на фотографии: Aircrafts on the photo: Fairey N.4 Atalanta - ВеликобританияUnited Kingdom - 1923

Two artists’ impressions of the COW gun mounted flexibly in the nose of the Westland Westbury.

Самолёты на фотографии: Aircrafts on the photo: Westland Westbury - ВеликобританияUnited Kingdom - 1926

The Vickers F.B.25 two-seat night fighter of 1917, fitted with the Crayford “rocket gun” for use against Zeppelins.

Самолёты на фотографии: Aircrafts on the photo: Vickers FB.25 - ВеликобританияUnited Kingdom - 1917