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Dane County Regional Airport Noise Abatement Subcommittee

Dane County Regional Airport Noise Abatement Subcommittee Review of Noise Complaint Activity October 2008 Aircraft Movements APR 08 – SEP 08 Complaints By Aircraft Type APR 08 – SEP 08 Complaints by Area Complaint Locations APR 08 – SEP 08 11 Complaints By Month

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Dane County Regional Airport Noise Abatement Subcommittee

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  1. Dane County Regional AirportNoise Abatement Subcommittee Review of Noise Complaint Activity October 2008 Noise Abatement Subcommittee Meeting

  2. Aircraft Movements APR 08 – SEP 08 Noise Abatement Subcommittee Meeting

  3. Complaints By Aircraft TypeAPR 08 – SEP 08 Noise Abatement Subcommittee Meeting

  4. Complaints by Area Noise Abatement Subcommittee Meeting

  5. Complaint LocationsAPR 08 – SEP 08 11 Noise Abatement Subcommittee Meeting

  6. Complaints By Month Complaints from one individual: 4231, 2792, 1663 Noise Abatement Subcommittee Meeting

  7. Noise Complaint CallsDaytime vs. Nighttime APR MAY JUN JUL AUG SEP TOTAL DAY (0700 – 2159) 3 5 3 8 3 2 24 NIGHT (2200 – 0659) 0 0 1 0 0 0 1 TOTAL 3 5 4 8 3 2 25 Noise Abatement Subcommittee Meeting

  8. Repeat CallersAPR 08 – SEP 08 Madison (11 callers) 23 Calls from one individual for same period: 135 Noise Abatement Subcommittee Meeting

  9. Wind Conditions SummaryAPR 08 – SEP 08 Direction of aircraft with winds from the north. Direction of aircraft with winds from the south. * Wind Direction percentages do not add up to 100% due to wind directions reported as calm or variable Noise Abatement Subcommittee Meeting

  10. Goal is to educate local and transient pilots of the Noise Abatement Program (NAP) via: Public meetings Additional NAP airfield signage Noise sensitive area maps and NAP brochures Proactive Measures Noise Abatement Subcommittee Meeting

  11. Dane County Regional Airport Review of Noise Abatement Procedures Compliance Audit APRIL 2008 – SEPTEMBER 2008 Noise Abatement Subcommittee Meeting

  12. Review of Noise Abatement Procedures Compliance Audit APR 08 – SEP 08 % of time winds reported 5 knots or above1 64.70% % of time visibility reported 6 SM or below1 12.89% Total time Runways closed2 RWY 18/36 = 72:48 RWY 3/21 = 81:49 1 - Based on METAR weather observations at the time of recorded aircraft operations 2 - Runway closures primarily due to construction activity. RWY 14/32 = 2176:04 Noise Abatement Subcommittee Meeting

  13. Review of Noise Abatement Procedures Compliance Audit APR 08 – SEP 08 Runway Use % of time aircraft observed departing to the North 63.57% % of time aircraft observed arriving from the North 69.29% % of time aircraft observed departing to the South 36.43% % of time aircraft observed arriving from the South 30.71% Wind Visibility Traffic Low Clouds Departure to South and reason 70.2% 18.9% 10.9% 23.5% Arrival from South and reason 68.8% 17.9% 10.6% 31.4% 2469 individual aircraft operations 165 non-compliant operations observed 93.2% Compliance Rate Noise Abatement Subcommittee Meeting

  14. Review of Noise Abatement Procedures Compliance Audit APR 08 – SEP 08 Reported Winds 091-270 271-090 Runway 36 Departures 141 Runway 3 Departures 37 Runway 32 Departures 13 Runway 18 Arrivals 120 Runway 21 Arrivals 56 Runway 14 Arrivals 0 Total 191 176 Based on METAR weather observations at the time of recorded aircraft operations. Figures also include winds reported as variable with a speed equal or greater than 5 knots. 2436 individual aircraft operations 367 contra-flow flight operations recorded 15.1% Contra-Flow Rate Noise Abatement Subcommittee Meeting October 2008 14

  15. Important Phone Numbers 24 Hour Aircraft Noise Line:246-5841 Madison Automated Weather:249-0615 Noise Abatement Subcommittee Meeting

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