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Departure controller complaint of B727 aircraft slow noise abatement departure climb from the den airport which many times have caused ATC separation problems with other aircraft with better climb performance at high altitude airports.
| Attributes | |
| ACN | 481418 |
| Time | |
| Date | 200008 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : den.airport |
| State Reference | CO |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : d01.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B727 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : initial |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : departure |
| Qualification | controller : radar |
| Experience | controller radar : 21 |
| ASRS Report | 481418 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : unable none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Aircraft ATC Human Performance Airport |
| Primary Problem | Aircraft |
| Situations | |
| ATC Facility | procedure or policy : d01.tracon |
| Airport | procedure or policy : den.airport |
Narrative:
Air carrier X had developed a procedure for their B727's for noise abatement that has created the most dangerous sits I have ever witnessed in my 21 yr career. They can't climb above the terrain, they are being run over by succeeding departures, and they are conflicting with just about all aircraft in the system. They are climbing out of 160 KTS at 100 ft per NM. This doesn't work at this altitude.
Original NASA ASRS Text
Title: DEP CTLR COMPLAINT OF B727 ACFT SLOW NOISE ABATEMENT DEP CLB FROM THE DEN ARPT WHICH MANY TIMES HAVE CAUSED ATC SEPARATION PROBS WITH OTHER ACFT WITH BETTER CLB PERFORMANCE AT HIGH ALT ARPTS.
Narrative: ACR X HAD DEVELOPED A PROC FOR THEIR B727'S FOR NOISE ABATEMENT THAT HAS CREATED THE MOST DANGEROUS SITS I HAVE EVER WITNESSED IN MY 21 YR CAREER. THEY CAN'T CLB ABOVE THE TERRAIN, THEY ARE BEING RUN OVER BY SUCCEEDING DEPS, AND THEY ARE CONFLICTING WITH JUST ABOUT ALL ACFT IN THE SYS. THEY ARE CLBING OUT OF 160 KTS AT 100 FT PER NM. THIS DOESN'T WORK AT THIS ALT.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.