Presentation 2005/10/18
Prior Assessment of Airspace Safety for Implementation of the Domestic Reduced Vertical Separation Minimum
Osamu AMAI, Sakae NAGAOKA,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) The Reduced Vertical Separation Minimum (RVSM). which is the reduced minimum from 2,000 ft to 1,000 ft at flight levels (FL) between 290 and FL410 inclusive, was implemented in 30 September 2005 within the Japanese domestic airspace. Prior to the implementation, safety assessment for the airspace in assumed RVSM environments was carried out. Some model parameter values of collision risk model were estimated using flight plan data. An estimate of vertical collision risk including operational risk was calculated using these together with given parameter values. The estimate is 4.1×10^<-9> [accidents/flight hour] and the value is smaller than a maximum allowable level of collision risk, i.e. 5×10^<-9> [accidents/flight hour], called the Target Level of Safety.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Air Traffic Control / Safety Assessment / Collision Risk / Separation Minimum
Paper # SSS2005-20
Date of Issue

Conference Information
Committee SSS
Conference Date 2005/10/18(1days)
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Paper Information
Registration To Safety (SSS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Prior Assessment of Airspace Safety for Implementation of the Domestic Reduced Vertical Separation Minimum
Sub Title (in English)
Keyword(1) Air Traffic Control
Keyword(2) Safety Assessment
Keyword(3) Collision Risk
Keyword(4) Separation Minimum
1st Author's Name Osamu AMAI
1st Author's Affiliation Electronic Navigation Research Institute, Independent Administrative Institution()
2nd Author's Name Sakae NAGAOKA
2nd Author's Affiliation Electronic Navigation Research Institute, Independent Administrative Institution
Date 2005/10/18
Paper # SSS2005-20
Volume (vol) vol.105
Number (no) 362
Page pp.pp.-
#Pages 4
Date of Issue