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B747-400 captain reported receiving a GPWS terrain alert on approach to rksi after an inappropriate clearance from ATC.
| Attributes | |
| ACN | 1360184 |
| Time | |
| Date | 201605 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | RKSI.Airport |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Function | Relief Pilot Captain Pilot Not Flying |
| Qualification | Flight Crew Flight Engineer Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 25 Flight Crew Total 19000 Flight Crew Type 6000 |
| Events | |
| Anomaly | ATC Issue All Types Inflight Event / Encounter CFTT / CFIT |
Narrative:
During radar vectors (southwest of field) to ILS 34 approach cleared to 1;600 feet MSL. As we flew over an island (VMC; level flight) the GPWS gave a brief 'terrain' annunciation. Pilot flying (PF) cleared area visually and elected to remain in level flight. Approach continued with no further issues. ATC gave too low of an altitude assignment for the minimum safe altitude. Flight crew failed to catch this and accepted the clearance. PF and all pilot monitoring (pm) need to more closely monitor MSA arp and challenge such a clearance.
Original NASA ASRS Text
Title: B747-400 Captain reported receiving a GPWS terrain alert on approach to RKSI after an inappropriate clearance from ATC.
Narrative: During radar vectors (southwest of field) to ILS 34 approach cleared to 1;600 feet MSL. As we flew over an island (VMC; level flight) the GPWS gave a brief 'Terrain' annunciation. Pilot Flying (PF) cleared area visually and elected to remain in level flight. Approach continued with no further issues. ATC gave too low of an altitude assignment for the minimum safe altitude. Flight crew failed to catch this and accepted the clearance. PF and all Pilot Monitoring (PM) need to more closely monitor MSA ARP and challenge such a clearance.
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.