The Short S.22 Scion Senior was a 1930s

British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories and Crown Dependencies. * British national identity, the characteristics of British people and culture ...

four-engined nine-passenger floatplane built by

Short Brothers Short Brothers plc, usually referred to as Shorts or Short, is an aerospace company based in Belfast, Northern Ireland. Shorts was founded in 1908 in London, and was the first company in the world to make production aeroplanes. It was particu ...

Design and development

The Scion Senior was developed as an enlarged version of the

Scion Scion may refer to: Horticulture *Scion (grafting), in horticulture, the upper part of a combined plant Arts, entertainment, and media Characters *Atlantean Scion, a device in the ''Tomb Raider'' video game series *Scion, avatar of the warrior en ...

light transport for nine passengers. Unfortunately, the aircraft failed to win orders from internal airline operators, who had already adopted the

De Havilland Dragon The de Havilland DH.84 Dragon is a successful small commercial aircraft that was designed and built by the de Havilland company. Design and construction Following the commercial success of its single-engined de Havilland Fox Moth that had fir ...

and Dragon Rapide; instead it proved attractive as a seaplane for survey and river transport purposes overseas, and the first order came from the

Irrawaddy Irrawaddy or Ayeyarwady may refer to: *Irrawaddy River, the main river of Burma *Irrawaddy Delta, a rice growing region of the country *Irrawaddy, an alternative spelling of Ayeyarwady Region, an administrative division of Burma *''The Irrawaddy'' ...

Flotilla Co. in

Burma Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and ha ...

, with a promise of further orders if the first seaplane proved satisfactory. So the Scion Senior was designed basically as a seaplane with an alternative land chassis. The first two aircraft, built as floatplanes, were shipped to Rangoon as soon as they had received their

Certificate of Airworthiness A standard certificate of airworthiness is a permit for commercial passenger or cargo operation, issued for an aircraft by the civil aviation authority in the state/nation in which the aircraft is registered. For other aircraft such as crop-spray ...

; the third aircraft was built as a landplane for Shorts to use as a demonstrator; the remaining three were built as floatplanes, although one (S.835, G-AENX) was actually first flown as a landplane before being converted to its intended floatplane configuration.

Operational history

The last aircraft built (serial number ''L9786'') was acquired by the Air Ministry for testing flying boat hull designs particularly for the

Short Sunderland The Short S.25 Sunderland is a British flying boat Maritime patrol aircraft, patrol bomber, developed and constructed by Short Brothers for the Royal Air Force (RAF). The aircraft took its service name from the town (latterly, city) and port of ...

. Redesignated the Scion Senior FB (for Flying Boat), it was fitted with a duralumin, flush-riveted central float and outrigger floats. During 1942, a series of trials by the

Marine Aircraft Experimental Establishment The Marine Aircraft Experimental Establishment (MAEE) was a British military research and test organisation. It was originally formed as the Marine Aircraft Experimental Station in October 1918 at RAF Isle of Grain, a former Royal Naval Air Serv ...

(MAEE) was undertaken, determining attitude and stability characteristics of the design. The sole test example was lost at sea on 15 March 1944 off

Helensburgh Helensburgh ( ; ) is a town on the north side of the Firth of Clyde in Scotland, situated at the mouth of the Gareloch. Historically in Dunbartonshire, it became part of Argyll and Bute following local government reorganisation in 1996. Histo ...

Argyll Argyll (; archaically Argyle; , ), sometimes called Argyllshire, is a Shires of Scotland, historic county and registration county of western Scotland. The county ceased to be used for local government purposes in 1975 and most of the area ...

, when an attempt was made to take off from the Clyde in frosty conditions. H.G. White, a Flight Test Officer at MAEE Helenburgh, died when the aircraft stalled into the water and sank. The other two members of the crew were rescued.Test Flying memorial Project web site
/ref> The Scion Senior landplane was eventually sold to Palestine Air Transport in December

1938 Events January * January 1 – state-owned enterprise, State-owned railway networks are created by merger, in France (SNCF) and the Netherlands (Nederlandse Spoorwegen – NS). * January 20 – King Farouk of Egypt marries Saf ...

, to be based in Haifa. It was impressed into

Royal Air Force The Royal Air Force (RAF) is the Air force, air and space force of the United Kingdom, British Overseas Territories and Crown Dependencies. It was formed towards the end of the World War I, First World War on 1 April 1918, on the merger of t ...

service in the

Middle East The Middle East (term originally coined in English language) is a geopolitical region encompassing the Arabian Peninsula, the Levant, Turkey, Egypt, Iran, and Iraq. The term came into widespread usage by the United Kingdom and western Eur ...

in February

1942 The Uppsala Conflict Data Program project estimates this to be the deadliest year in human history in terms of conflict deaths, placing the death toll at 4.62 million. However, the Correlates of War estimates that the prior year, 1941, was th ...

and lost in action on 22 September 1943.

Operators

Floatplane ; *Irrawaddy Flotilla Co Ltd ; *

Palestine Airways Palestine Airways (; ) was an airline founded by Zionist Pinhas Rutenberg in British Palestine, in conjunction with the Histadrut and the Jewish Agency. In 1937 the airline was taken over by British Government's Air Ministry, with the intentio ...

Ltd ;

Sierra Leone Sierra Leone, officially the Republic of Sierra Leone, is a country on the southwest coast of West Africa. It is bordered to the southeast by Liberia and by Guinea to the north. Sierra Leone's land area is . It has a tropical climate and envi ...

* Elders Colonial Airways Ltd ; * Air Ministry (MAEE) *

*West of Scotland Air Services Ltd Landplane ; *Iraq Petroleum Transport Co Ltd ; *Jersey Airways Ltd *

(demonstrator)