H1821 643
H18 may refer to : * British NVC community H18, a heath in the British National Vegetation Classification system * , an H-class submarine ordered by but never commissioned into the Royal Navy * , a Royal Navy S-class destroyer * London Buses routes H18, a Transport for London contracted bus route * Sikorsky H-18, an American helicopter * Tomakomai Station is a railway station in Tomakomai, Hokkaido, Japan, operated by the Hokkaido Railway Company (JR Hokkaido). Lines Tomakomai Station is served by the following lines. * Muroran Main Line ** Chitose Line * Hidaka Main Line Limited express train ...

British NVC Community H18
British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, the English language as spoken and written in the United Kingdom or, more broadly, throughout the British Isles * Celtic Britons, an ancient ethno-linguistic group * Brittonic languages, a branch of the Insular Celtic language family (formerly called British) ** Common Brittonic, an ancient language Other uses *''Brit(ish)'', a 2018 memoir by Afua Hirsch *People or things associated with: ** Great Britain, an island ** United Kingdom, a sovereign state ** Kingdom of Great Britain (1707–1800) ** United Kingdom of Great Britain and Ireland (1801–1922) See also * Terminology of the British Isles * Alternative names for the British * English (other) * Britannic (other) * British Isles * Brit (other) * B ...
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Heaths In The British National Vegetation Classification System
This article gives an overview of the heath communities in the British National Vegetation Classification system. Introduction The heath communities of the NVC were described, along with the mire communities, in Volume 2 of ''British Plant Communities'', first published in 1991. In total, 22 heath communities have been identified. The heath communities consist of six separate subgroups: * five lowland dry heath communities, all with distinct, largely non-overlapping distributions in England and Wales ( H1, H2, H6, H8 and H9) * three localised communities, with non-overlapping ranges in southern England, which are considered transitional between the above and the wetter communities classified in the NVC as mires ( H3, H4 and H5) * two maritime heath communities, found exclusively on the coasts of northern and western Britain; one ( H7) is more widespread than the other ( H11) * four submontane heaths from upland areas in northern and western Britain; two of these ( H10 and ...
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London Buses Routes H18
This is a list of Transport for London (TfL) contracted bus routes in London, England, as well as commercial services that enter the Greater London area (except coaches). Bus services in London are operated by Abellio London, Arriva London, Go-Ahead London (Blue Triangle, Docklands Buses, London Central, and London General), Metroline, RATP Dev Transit London (London Sovereign, London United and London Transit) Stagecoach London (East London, Selkent, and Thameside), Sullivan Buses and Uno. TfL-sponsored operators run more than 500 services. Non-TfL-sponsored operators include Arriva Shires & Essex, Arriva Southern Counties, Carousel Buses, Diamond South East, Go-Coach, First Berkshire & The Thames Valley, Metrobus, Southdown PSV, Stagecoach South and Trustybus. Classification of route numbers In Victorian times, passengers could recognise the owner and the route of an omnibus (Latin: "for everyone") only by its livery and its line name, with painted signs on the sides sh ...
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Sikorsky H-18
The Sikorsky S-52 is a utility helicopter developed by Sikorsky Aircraft in the late 1940s. It was used by the U.S. Navy, Marine Corps, and Coast Guard.Donald 1997, p. 840. The S-52 was the first US helicopter with all-metal rotor blades. Initially a two-seater, it was developed into the four-seat S-52-2 and S-52-3. It was designated HO5S-1 by the U.S. Navy and Marine Corps, HO5S-1G by the Coast Guard, and YH-18A by the U.S. Army, and was used extensively by civil operators after being retired by the military. Design and development Sikorsky Aircraft began designing the S-52 in late 1945.Harding 1990, p. 228. The prototype S-52, first flown in 1947, was a two-seater and used a 178 hp (133 kW) Franklin air-cooled flat-six piston engine. The prototype pioneered the use of all-metal main and tail rotor blades along with offset flapping hinges for the main rotor, which allowed greater maneuverability and would become a trademark Sikorsky design feature. The aircraft was gra ...
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