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Boeing 777 flight crew did not agree among themselves; which noise abatement procedure was to be used for their situation.
| Attributes | |
| ACN | 1540058 |
| Time | |
| Date | 201805 |
| Place | |
| Locale Reference | EDDF.Airport |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument |
| Experience | Flight Crew Last 90 Days 240 Flight Crew Total 14624 Flight Crew Type 2648 |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Experience | Flight Crew Total 3535 Flight Crew Type 505 |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy |
Narrative:
There seems to be several discrepancies in the fom (flight operations manual); flight manual; plus the 10-7p to (take-off) data in frankfurt. Specifically we are referencing the ICAO noise abatement of 9-Mar-18. 3.90.8 references 1500 and 3000 respectively. However; 3.80.4 of the normals say to use the uplinked FMC acceleration heights for both NADP1 and 2 via the takeoff data. When we pulled up the data; it said 1500/1500 which is different from the previous pages in the fom or FM. Also the language in the 10-7 is ambiguous. I know we had difficulty with takeoff numbers on [runway] 25C/7C in the past. Are we still having problems? My first officer (first officer) said [fom] indicated this was old information. Now with the last change I have to data that says 1500/1500 for noise abatement but pages in the fom; FM that say different.
Original NASA ASRS Text
Title: Boeing 777 flight crew did not agree among themselves; which Noise Abatement procedure was to be used for their situation.
Narrative: There seems to be several discrepancies in the FOM (Flight Operations Manual); Flight Manual; plus the 10-7p TO (Take-off) data in Frankfurt. Specifically we are referencing the ICAO Noise Abatement of 9-Mar-18. 3.90.8 references 1500 and 3000 respectively. However; 3.80.4 of the normals say to use the uplinked FMC acceleration heights for both NADP1 and 2 via the takeoff data. When we pulled up the data; it said 1500/1500 which is different from the previous pages in the FOM or FM. Also the language in the 10-7 is ambiguous. I know we had difficulty with takeoff numbers on [Runway] 25C/7C in the past. Are we still having problems? My FO (First Officer) said [FOM] indicated this was old information. Now with the last change I have TO data that says 1500/1500 for noise abatement but pages in the FOM; FM that say different.
Data retrieved from NASA's ASRS site 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.