Presentation 2010-01-29
Evaluation of Downlink Aircraft Parameters Function of Secondary Surveillance Radar Mode S
Tadashi Koga, Atsushi Senoguhci, Kazuhiko Uejima,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Secondary Surveillance Radar (SSR) Mode S, an air traffic control radar system, has enhanced surveillance and datalink capability. In 1990s, European states launched a project to use Mode S datalink, so called Downlink Aircraft Parameters (DAPs). DAPs enables ground stations to obtain aircraft information such as selected altitude, roll-angle, magnetic heading and so on. Those parameters are provided for air traffic controller in order to improve situational awareness and for systems in order to improve aircraft position prediction in conflict detection algorithms. Currently, DAPs is mandatory in some European states. Therefore, many aircraft operated in international flight equip Mode S transponder with DAPs capability. In Japan, the percentage of aircraft with DAPs is increasing. To prepare future use of DAPs in Japan, Electronic Navigation Research Institute (ENRI) stared to do research and development of SSR mode S with DAPs function. In this paper, we mention the outline of DAPs, ENRI SSR Mode S system and results of DAPs aircraft monitoring.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Secondary Surveillance Radar / SSR mode S / Downlink Aircraft Parameters(DAPs)
Paper # SANE2009-158
Date of Issue

Conference Information
Committee SANE
Conference Date 2010/1/21(1days)
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Paper Information
Registration To Space, Aeronautical and Navigational Electronics (SANE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Evaluation of Downlink Aircraft Parameters Function of Secondary Surveillance Radar Mode S
Sub Title (in English)
Keyword(1) Secondary Surveillance Radar
Keyword(2) SSR mode S
Keyword(3) Downlink Aircraft Parameters(DAPs)
1st Author's Name Tadashi Koga
1st Author's Affiliation Electronic Navigation Research Institute()
2nd Author's Name Atsushi Senoguhci
2nd Author's Affiliation Electronic Navigation Research Institute
3rd Author's Name Kazuhiko Uejima
3rd Author's Affiliation Electronic Navigation Research Institute
Date 2010-01-29
Paper # SANE2009-158
Volume (vol) vol.109
Number (no) 397
Page pp.pp.-
#Pages 6
Date of Issue