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The Norwegian Civil Aircraft Register ((ノルウェー語:Norges luftfartøyregister)) is a judicial register for civil aircraft of Norwegian nationality. The registry is maintained by the Civil Aviation Authority of Norway. They have allowed the Norwegian Air Sport Association to manage ultralight aircraft registrations. All aircraft in the register are issued a five-letter marking, with a LN- prefix, e.g. LN-FOO. ==History== The first aircraft registration system in Norway was introduced in 1919. Aircraft were issued a sequential registration number. The aircraft were required to be painted with markings consisting of N, hyphen and the registration number, e.g. N-14. From 1925 this numbering scheme continued, although the certificate of airworthiness were also numbered, using a different numbering scheme.〔Hagby: 386〕 Norway was allocated the international LN prefix and introduced registration with these in 1931. Aircraft were to use LN followed by a hyphen and three letters. The first aircraft such registered was LGF V-13 Strehla, LN-ABE, on 4 July 1931. Again there arose a small discrepancy in the numbering of the aircraft registration number and the certificate of airworthiness numbers. Some registration numbers were skipped, others used multiple times. The numbering discrepancy was not synchronized until 1966, with number 792.〔Hagby: 388〕 A special case arose with Scandinavian Airlines System (SAS), which was created as a trilaterial flag carrier. Ownership followed the "principle of sevenths", in which Norwegian Air Lines and Danish Air Lines each owned two sevenths and Sweden's Aerotransport owned three sevenths. The same ratio was followed in the registration of aircraft; thus two sevenths of SAS' fleet received Norwegian registrations.〔Hall: 11〕 The registration and airworthiness numbers were discontinued after 31 December 1995. Afterwards only letter markings have been issued.〔 The responsibility for maintaining the register was taken over by the Civil Aviation Authority from 1 January 2000, when the agency was created and demerged from the Norwegian Air Traffic and Airport Management. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Norwegian Civil Aircraft Register」の詳細全文を読む スポンサード リンク
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