HMA No. 1

His Majesty's Airship No. 1 more commonly known as the Mayfly was designed and built by Vickers Sons and Maxim at their works in Barrow-in-Furness Cumbria England as an aerial scout airship for the British Royal Navy. She was the first British rigid airship to be built and was constructed in a direct attempt to compete with the German airship programme.

Its sole known use was in the ill-fated HMA No. 1 airship which broke in two while being removed from its shed on 24 September 1911.1

Made by Vickers.

Empty Weight Lb
44000
Range Km
1750
Designer
C. G. Robertson
Lieutenant N. F. Usborne
Eng 1 Type
576000.0
Cruise Speed Kmh
68
Ceiling Ft
1500
Cruise Speed Mph
42
Lift Kg
21800
Eng 1 Kw
110
Status
--09-24
Volume M
18800
Crew
20
Empty Weight Kg
19900
Dia Ft
46
Primary user
Royal Navy
Endurance H
24
Manufacturer
Vickers
Range Miles
1090
First Flight
Never flown
Volume Ft
660000
National Origin
United Kingdom
Met Or Eng
eng
Lift Lb
48000
Length Ft
512
Dia M
15
Ceiling M
460
Eng 1 Hp
147
Eng 1 Number
2
Length M
156
Category
Airships of the United Kingdom
Barrow-built airships
British experimental aircraft 1910-1919
British military trainer aircraft 1910-1919
Vickers aircraft

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