Perth K3581 was struck off charge in 1936 but was retained at the Marine Aircraft Experimental Establishment, Felixstowe, as a hulk for testing the forces on a moored flying boat through wind and weather at the end of 1938.
K3581 after decommissioning being used to test mooring equipment. Note Mayo Composite in background

Самолёты на фотографии: Aircrafts on the photo: Blackburn Perth / R.B.3 - ВеликобританияUnited Kingdom - 1933Short Mayo Composite (S.20 Mercury and S.21 Maia) - ВеликобританияUnited Kingdom - 1938

Iris S1263 of No. 209 Squadron out of Mouth Batten cruises along the Cornish coast

Самолёты на фотографии: Aircrafts on the photo: Blackburn Iris / R.B.1 - ВеликобританияUnited Kingdom - 1926

Iris V S1263. The navigator's small cockpit is visible as well as the folded radio mast

Самолёты на фотографии: Aircrafts on the photo: Blackburn Iris / R.B.1 - ВеликобританияUnited Kingdom - 1926

The metal-hulled Blackburn Iris II N185, powered by three Rolls-Royce Condors, landing off Felixstowe.

Самолёты на фотографии: Aircrafts on the photo: Blackburn Iris / R.B.1 - ВеликобританияUnited Kingdom - 1926

Самолёты на фотографии: Aircrafts on the photo: Blackburn Iris / R.B.1 - ВеликобританияUnited Kingdom - 1926

Iris V S1263 during trials from Felixstowe, March 1932

Самолёты на фотографии: Aircrafts on the photo: Blackburn Iris / R.B.1 - ВеликобританияUnited Kingdom - 1926

Side view of N185 shows well the navigator's cockpit abaft the pilots

Самолёты на фотографии: Aircrafts on the photo: Blackburn Iris / R.B.1 - ВеликобританияUnited Kingdom - 1926

Iris III N238 with Condor HI As on the ramp at Felixstowe

Самолёты на фотографии: Aircrafts on the photo: Blackburn Iris / R.B.1 - ВеликобританияUnited Kingdom - 1926

N185 converted to Iris IV with Armstrong-Siddeley Leopards, one in the pusher configuration

Самолёты на фотографии: Aircrafts on the photo: Blackburn Iris / R.B.1 - ВеликобританияUnited Kingdom - 1926

S1593 moored off Kalafrana during her enforced stay during the winter of 1933-34. Note the enlarged nose position

Самолёты на фотографии: Aircrafts on the photo: Blackburn Iris / R.B.1 - ВеликобританияUnited Kingdom - 1926

S1593 as the Napier Culverin test-bed

Самолёты на фотографии: Aircrafts on the photo: Blackburn Iris / R.B.1 - ВеликобританияUnited Kingdom - 1926

Blackburn "Perth" (three Rolls-Royce "Buzzard" II.MS) with a 37 mm. shell-gun. Note the flare of the vee bottom towards the bows.
Perth K3580 on the ramp at Brough on October 1933 with Blackburn B.2s in the background. The 37 mm COW gun is fitted in the bows and the anchor is neatly stowed below it.

Самолёты на фотографии: Aircrafts on the photo: Blackburn B-2 - ВеликобританияUnited Kingdom - 1931Blackburn Perth / R.B.3 - ВеликобританияUnited Kingdom - 1933

Perth K4011 carried No. 209 Squadron's badge below the cockpit. The only obvious difference in appearance from the Iris V is the cockpit canopy

Самолёты на фотографии: Aircrafts on the photo: Blackburn Perth / R.B.3 - ВеликобританияUnited Kingdom - 1933

Самолёты на фотографии: Aircrafts on the photo: Blackburn Perth / R.B.3 - ВеликобританияUnited Kingdom - 1933

Perth K4011 flying from Felixstowe

Самолёты на фотографии: Aircrafts on the photo: Blackburn Perth / R.B.3 - ВеликобританияUnited Kingdom - 1933

Perth K4011 flying from Felixstowe

Самолёты на фотографии: Aircrafts on the photo: Blackburn Perth / R.B.3 - ВеликобританияUnited Kingdom - 1933

THE "CRUISER STERN": Note the gunner's tail defence position. The rudders are provided with servo flaps.
The tail gun position on Perth K3580. The central servo-rudder is well-illustrated in this view

Самолёты на фотографии: Aircrafts on the photo: Blackburn Perth / R.B.3 - ВеликобританияUnited Kingdom - 1933