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Statusreport CAEP/7 WG 1 Noise technical ACI World Environmental Standing Committee Geneva, March 14, Statusreport CAEP/7 WG 1 Noise technical ACI World Environmental Standing Committee Geneva, March 14, 2005 Etienne van Zuijlen Amsterdam Airport Schiphol 3 Schiphol Group

CAEP/7 wg 1 Noise Technical • • • 2 Aim, constitution & rapporteur Keep CAEP/7 wg 1 Noise Technical • • • 2 Aim, constitution & rapporteur Keep noise certification Standards (ICAO Annex 16, Volume I) up to date and effective; while ensuring that the certification procedures are as simple and inexpensive as possible experts from certificating authorities (12), manufacturers (25), airlines (3), and airport operators (1), rapporteurs from USA & The Netherlands Amsterdam Airport Schiphol 3 Schiphol Group

CAEP/7 wg 1 Noise Technical tasks & meetings N 1 Current technical issues N CAEP/7 wg 1 Noise Technical tasks & meetings N 1 Current technical issues N 2 Future of noise certification scheme N 3 Aircraft type noise certification database N 4 Monitoring Noise techologiy (with WG/3) Meetings: • 2004: 2 meetings (Sweden & Montreal) • Feb. 2005: Joint wg 1&wg 3 meeting • 2005: 2 meetings scheduled: 4 3 Geneva, April ‘ 05 & Savannah, USA, Oct ‘ 05) Amsterdam Airport Schiphol 3 Schiphol Group

WG 1 task identification main topic of 1 st meeting 2004 • US: update WG 1 task identification main topic of 1 st meeting 2004 • US: update SAE noise certification Docs: 4 • • • US: CAEP aircraft noise certification database, Noise. DB (interpolation & dually (Ch 2& Ch 3) certified B 747 -100/200’s) US&EU: work program for rotorcraft US: domestic supersonic research activity: 4 • 4 Tackle in technical issues task group recommended practices related to supersonic noise and sonic boom CAEP 8 US&FR: ICAO noise certification workshop Amsterdam Airport Schiphol 3 Schiphol Group

WG 1 structure (task groupes) 7 task areas distributed over 5 task groups 1. WG 1 structure (task groupes) 7 task areas distributed over 5 task groups 1. 2. 3. 4. 5. future noise cert. task group (FTG) technical issues task group (TITG) technology task group (TTG) rotercraft task group (RTG) supersonic transport task group (SSTG) Session/Day 1 TITG RTG FTG Afternoon Amsterdam Airport Schiphol Day 3 Morning 5 Day 2 TITG TTG FTG SSTG 3 Day 4 SSTG Schiphol Group

CAEP/7 wg 1 Noise Technical Workplan & progress in Taskgroups - FTG: Future Noise CAEP/7 wg 1 Noise Technical Workplan & progress in Taskgroups - FTG: Future Noise Certification Scheme (follow up on work of CAEP/6 Modernisation TG) review purpose of certification 4 study noise problem around airports 4 agree on role of current certification scheme in aircraft type design 4 Deliverables: • overall: any changes in current noise certification scheme necessary? • in 2005: consensus on the correlation of certification and operational noise levels, based on conclusions of 10 studied a/p’s 6 Amsterdam Airport Schiphol 3 Schiphol Group

CAEP/7 wg 1 Noise Technical FTG certified vs operational noise correlation • Datacollection & CAEP/7 wg 1 Noise Technical FTG certified vs operational noise correlation • Datacollection & methodology chosen: Take-off & approach data (cf. Annex 16) 4 Quality of measured SEL’s (a. o. threshold) 4 1 d. B confidence range (and 0. 1 d. B average) 4 Certified levels cf. Campell-Hill/Noise. Db 4 Ranking of measured and certified data 4 Reporting cf Spearman’s Rank-Order 4 Compare monitored levels at different distances 4 • • 7 3 studies (9 a/p) performed (US, FR, UK) ACI/Schiphol data requested (draft paper) Amsterdam Airport Schiphol 3 Schiphol Group

CAEP/7 wg 1 Noise Technical FTG certified vs operational noise correlation Considerations from initial CAEP/7 wg 1 Noise Technical FTG certified vs operational noise correlation Considerations from initial ACI-study: • • • 8 Different certified noise levels for airframe /engine combination, with ranges upto 5 d. B Monitored data confidence range <1 d. B Linear average taken from certified levels Flight paths and monitoring points are not in “ideal” Annex 16 shematic locations Influence of distance unclear yet Amsterdam Airport Schiphol 3 Schiphol Group

CAEP/7 wg 1 Noise Technical FTG certified vs operational noise correlation Conclusions from initial CAEP/7 wg 1 Noise Technical FTG certified vs operational noise correlation Conclusions from initial ACI-study: • • 9 From 3 month’s of data, only limited subset (and influence typical period? ) Only 1 monitoring point/Rwy usefull High variation in certified noise levels Rank-Order applied to approach only Monitoring points at larger distance Better correlation with fly-over/sideline (!? ? ) Selection of a/c types of interest usefull Use of mobile monitoring post & longer time period is considered, after discussion WG 1 Amsterdam Airport Schiphol 3 Schiphol Group

CAEP/7 wg 1 Noise Technical Workplan & progress in Taskgroups - TITG: Technical Issues CAEP/7 wg 1 Noise Technical Workplan & progress in Taskgroups - TITG: Technical Issues Task Group • Positions, rules, guidance on technical noise certification issues; Deliverables: 10 Amsterdam Airport Schiphol 3 Schiphol Group

CAEP/7 wg 1 Noise Technical Workplan & progress in Taskgroups - TTG: Technology Task CAEP/7 wg 1 Noise Technical Workplan & progress in Taskgroups - TTG: Technology Task Group • advice & information on mid- and longterm noise reduction technology • study relationships between noise & emissions tarde-offs Deliverables: 11 Amsterdam Airport Schiphol 3 Schiphol Group

CAEP/7 wg 1 Noise Technical Workplan & progress in Taskgroups - RTG: Rotorcraft Task CAEP/7 wg 1 Noise Technical Workplan & progress in Taskgroups - RTG: Rotorcraft Task Group • technical points linked to helicopter noise certification Deliverables: 12 Amsterdam Airport Schiphol 3 Schiphol Group

CAEP/7 wg 1 Noise Technical Workplan & progress in Taskgroups - RTG STG: supersonic CAEP/7 wg 1 Noise Technical Workplan & progress in Taskgroups - RTG STG: supersonic transport task group • Monitor research into soic boom signatures and acceptabilaty • Develop Noise Certification Standards & Recommended Practices Deliverables: 13 Amsterdam Airport Schiphol 3 Schiphol Group

Schiphol Group Creating Airport. Cities 14 Amsterdam Airport Schiphol 3 Schiphol Group Schiphol Group Creating Airport. Cities 14 Amsterdam Airport Schiphol 3 Schiphol Group

Contact details **************************************** Etienne van Zuijlen M. Schiphol Group - Amsterdam Airport Schiphol Business Contact details **************************************** Etienne van Zuijlen M. Schiphol Group - Amsterdam Airport Schiphol Business Unit Airlines - Capacitymanagement Manager Environmental Capacity phone: +31 20 601 3479 SHG A 354 fax: +31 20 601 2134 Location 01 -30 mail: [email protected] nl PO BOX 7501 web: www. schiphol. nl 1118 ZG Schiphol Airport, The Netherlands **************************************** 15 Amsterdam Airport Schiphol 3 Schiphol Group