Presentation	1999/10/26 Possibility of Reducing Longitudinal Separation Minima for the North Pacific Oceanic Routes Sakae NAGAOKA,
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Abstract(in Japanese)	(See Japanese page)
Abstract(in English)	At present, 50 NM of route spacing and 10 minutes of longitudinal time separation using the Mach number technique have been applied for the RNP-10 certified aircraft flying on the North Pacific (NOPAC) routes. Reducing longitudinal separation minima from 10 minutes to 50 NM distance based separation is desired. Prior to the implementation the separation minima, a safety assessment based on empirical data may be required. A longitudinal collision risk model is used for evaluating the safety level. This paper describes the mathematical model to be used for the safety assessment and discusses several issues on the method for estimating model parameters applicable for the NOPAC routes.
Keyword(in Japanese)	(See Japanese page)
Keyword(in English)	collision risk / longitudinal separation / Safety assessment / Air Traffic Control / RNP
Paper #	SSS99-27
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Conference Information
Committee	SSS
Conference Date	1999/10/26(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)	Possibility of Reducing Longitudinal Separation Minima for the North Pacific Oceanic Routes
Sub Title (in English)
Keyword(1)	collision risk
Keyword(2)	longitudinal separation
Keyword(3)	Safety assessment
Keyword(4)	Air Traffic Control
Keyword(5)	RNP
1st Author's Name	Sakae NAGAOKA
1st Author's Affiliation	Electronic Navigation Research Institute, Ministry of Transport()
Date	1999/10/26
Paper #	SSS99-27
Volume (vol)	vol.99
Number (no)	391
Page	pp.pp.-
#Pages	6
Date of Issue