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Boeing 777 flight crew reported a communication breakdown between flight crew and ATC during initial approach resulting in missing an altitude restriction.
| Attributes | |
| ACN | 1683042 |
| Time | |
| Date | 201909 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | RJAA.Airport |
| State Reference | FO |
| Aircraft 1 | |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Route In Use | STAR SWAMP G |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument |
| Experience | Flight Crew Last 90 Days 225 Flight Crew Total 17748 Flight Crew Type 3797 |
| Person 2 | |
| Function | Pilot Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 164 Flight Crew Total 8867 Flight Crew Type 1971 |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Altitude Crossing Restriction Not Met Deviation - Procedural Published Material / Policy |
Narrative:
We were on arrival to narita and were cleared the swamp G STAR and the ILS Z16L approach. We had descended to fl 150 and was about 50 nm from swamp when ATC gave us a clearance to cross swamp at 9;000 ft. The fix past swamp (vixen) has a crossing altitude of 11;000 ft. I read back the clearance to cross swamp at 9;000 ft. With no further response from ATC. I have been in narita a lot; and a clearance below the STAR speeds and altitude restrictions is normal there. The first officer (first officer) was descending to reach 9;000 ft. By swamp. Then after a short time; ATC said to comply with the restrictions. I read back this clearance to ATC. The first officer was doing the descent and quickly trying to make 9;000 ft. At swamp. We crossed swamp at 9;000 ft. And as we approached the next fix vixen; ATC asked us if we were complying with the restrictions. I replied yes we were. There was no further response from ATC after that. Then we continued the arrival without any further issues.
Original NASA ASRS Text
Title: Boeing 777 flight crew reported a communication breakdown between flight crew and ATC during initial approach resulting in missing an altitude restriction.
Narrative: We were on arrival to Narita and were cleared the SWAMP G STAR and the ILS Z16L approach. We had descended to FL 150 and was about 50 nm from SWAMP when ATC gave us a clearance to cross SWAMP at 9;000 ft. The fix past SWAMP (VIXEN) has a crossing altitude of 11;000 ft. I read back the clearance to cross SWAMP at 9;000 ft. with no further response from ATC. I have been in Narita a lot; and a clearance below the STAR speeds and altitude restrictions is normal there. The FO (First Officer) was descending to reach 9;000 ft. by SWAMP. Then after a short time; ATC said to comply with the restrictions. I read back this clearance to ATC. The FO was doing the descent and quickly trying to make 9;000 ft. at SWAMP. We crossed SWAMP at 9;000 ft. and as we approached the next fix VIXEN; ATC asked us if we were complying with the restrictions. I replied yes we were. There was no further response from ATC after that. Then we continued the arrival without any further issues.
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.