NAVIGATION COMMITTEE

 

Noise Abatement Measures and Screening Criteria

Crosswalk

 

January 21, 2000



Screening Criteria

Is what we got back more or less the same as what we sent out? Not easy to tell for sure.

 

Criteria approved by Study Group for analysis Criteria used by consultants



Category: Runway Use Programs

Measures approved by Study Group for analysis Actions recommended by consultants Measures actually screened by consultants (Category 1) Consultant screening recommendations
Preference daytime only No preference daytime only Preferential runway use (unspecified) (1.1) Continue; amend
No preference
Reverse preference Reverse nighttime only
Raise tailwind threshold Not recommended
No contraflow exceptions Not recommended Contraflow (unspecified) (1.2) Continue; enhance
Rotational runway use (1.3) Not recommended

Category: Flight Track Changes

Measures approved by Study Group for analysis Actions recommended by consultants Measures actually screened by consultants (Category 2) Consultant screening recommendations
Uniform turning criteria Set some turning criteria
15° divergence, vice 20 Straight out during non-peak periods
Apply divergence to all departures Adhere to flight tracks
Noise abatement flight tracks (unspecified) (2.1) Continue; enhance conformance
Dispersed/fanned out flight tracks (2.2) Not recommended
Standard Instrument Departure procedures (2.3) recommended

Category: Approach Procedures

Measures approved by Study Group for analysis Actions recommended by consultants Measures actually screened by consultants (Category 3) Consultant screening recommendations
All traffic use IFR corridor Not recommended Precision approach systems (ILS) (5.1) Not recommended
No VFR Restricted VFR Visual approaches (3.5) Not recommended
Restricted visual approaches (3.6) Recommended
Noise-optimal STARs Not recommended
Higher holding & maneuver altitudes Not recommended Higher holding & maneuver altitudes (3.1) Not recommended
Steeper ILS glide slopes Not recommended Steeper ILS glide slopes (3.2) Not recommended
Two-stage approach procedures Not recommended Two-stage approach procedures (3.3) Not recommended
Delayed flap & gear extensions Voluntary measure Delayed flap & gear extensions (3.4) Voluntary measure
Reverse thrust restrictions Not recommended Reverse thrust restrictions (3.7) Not recommended

Category: Departure Procedures

Measures approved by Study Group for analysis Actions recommended by consultants Measures actually screened by consultants (Category 4) Consultant screening recommendations
Noise-optimal SIDs Develop SIDs Standard Instrument Departure procedures (2.3) Recommended
Close-in thrust procedures Voluntary northbound Close-in abatement procedure (4.1) Recommended
Distant thrust procedures Voluntary southbound Distant abatement procedure (4.2) Recommended
Reduced thrust departure Not recommended
Use overrun for takeoffs Not recommended


Category: Advanced Navigation Technology

Measures approved by Study Group for analysis Actions recommended by consultants Measures actually screened by consultants (Category 5) Consultant screening recommendations
Ground-based aids (markers, beacons, lasers…) Investigate existing technology (DME, markers) Precision approach systems (ILS) (5.1) Not recommended
Radio-based aids (5.2) Continue
ADS-B (5.5) Not recommended
Airborne aids (GPS/FMS [current vs milspec], MLS…) Develop FMS/GPS procedures Radar vectoring (5.3) Additional use not recommended
FMS/GPS (5.4) Recommended

Category: Airport Facilities

Measures approved by Study Group for analysis Actions recommended by consultants Measures actually screened by consultants (Category 6) Consultant screening recommendations
"Hush houses" Assess as mitigation measure
Counter-frequency generators "Does not exist"
Sound absorption media Assess as mitigation measure Noise barriers (6.4) Recommended
Displaced thresholds Displace 17R arrivals Displaced thresholds (6.3) Recommended
High-speed exit taxiways Already included High-speed exit taxiways (6.5) No additional recommended
Facility relocation Not recommended Facility relocation (6.6) Not recommended
New runway (6.1) Not recommended
Runway extension (6.2) Not recommended

 Category: Airport Use Restrictions

Measures approved by Study Group for analysis Actions recommended by consultants Measures actually screened by consultants (Category 7) Consultant screening recommendations
Conformance by all aircraft Turbojets, turboprops, "heavy" GA adhere
Prohibit substandard aircraft All already meet standards Restrictions on substandard aircraft (7.1) Not recommended
Capacity limitations Not recommended Capacity limitations (7.2) Not recommended
Partial or complete curfews Not recommended Partial or complete curfews (7.4) Not recommended
Noise budget Not recommended Noise budget (7.7) Not recommended
Operational quotas Not recommended Operational quotas or fleet mix rule (7.5) Not recommended
Operational noise fees (7.3) Not recommended
Fleet mix goals Voluntary Voluntary fleet mix goals (7.6) Recommended "for coordination"
Limits based on event metrics Not recommended Average noise per takeoff/landing cycle (7.8) Not recommended
Single-event noise limits (7.9) Not recommended

 Category: Airport Regulations

Measures approved by Study Group for analysis Actions recommended by consultants Measures actually screened by consultants (Category 8) Consultant screening recommendations
NCP briefings for ATCT and pilots Continue
Other flight training restrictions Limited activity at the airport Flight training restrictions (8.2) Not recommended - limited
Landing fees based on noise Not recommended (above) Operational noise fees (7.3) Not recommended
Engine run-up restrictions Continue current policy Engine run-up restrictions (8.1) Continue current measure

 Category: Management Measures

Measures approved by Study Group for analysis Actions recommended by consultants Measures actually screened by consultants (Category 9) Consultant screening recommendations
Show effect of full conformance to current NCP Integrated into other measures
Airport noise office Recommended (near-term) Noise compatibility staff (9.1) Recommended
Community noise forum Recommended Noise advisory committee (9.2) Recommended
Maintain, expand Web site, public information centers Recommended
Noise monitoring Recommended Noise monitoring equipment (9.3) Recommended
Flight track monitoring Recommended Monitor conformity to procedures (9.4) Recommended
Ongoing noise modeling Recommended