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B737 captain reported ATC issued a terrain proximity alert even though they were complying with the requirements of the departure procedure.
| Attributes | |
| ACN | 1685044 |
| Time | |
| Date | 201909 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ANC.Airport |
| State Reference | AK |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B737 Next Generation Undifferentiated |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb Takeoff |
| Route In Use | SID knik2 |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 197 Flight Crew Total 2044 Flight Crew Type 1926 |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Published Material / Policy Inflight Event / Encounter CFTT / CFIT |
Narrative:
Departed runway 07R anc on the KNIK2 SID. The departure requires a left turn at 2000 ft. Or 4 DME whichever occurs first. After takeoff while just starting our turn we got a terrain warning from ATC and directive to turn left immediately for terrain. Our aircraft was right on the magenta line and we were beginning the turn at exactly the same time ATC contacted us to turn. I am filing the fsap so future crews may be aware of this. Possibly enter a note on the 10-7 page regarding that departure and prompt turn.
Original NASA ASRS Text
Title: B737 Captain reported ATC issued a Terrain Proximity Alert even though they were complying with the requirements of the departure procedure.
Narrative: Departed Runway 07R ANC on the KNIK2 SID. The departure requires a left turn at 2000 ft. or 4 DME whichever occurs first. After takeoff while just starting our turn we got a terrain warning from ATC and directive to turn left immediately for terrain. Our aircraft was right on the magenta line and we were beginning the turn at exactly the same time ATC contacted us to turn. I am filing the FSAP so future crews may be aware of this. Possibly enter a note on the 10-7 page regarding that departure and prompt turn.
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.