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Air carrier first officer reported a brief terrain warning while descending into a mountainous area airport in VMC conditions.
| Attributes | |
| ACN | 1413637 |
| Time | |
| Date | 201612 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | MSO.Airport |
| State Reference | UT |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Medium Large Transport |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Inflight Event / Encounter CFTT / CFIT |
Narrative:
Descending into mso for an approach into runway 29; we received an egpws warning descending over the mountain range. Prior to the descent; my captain briefed me on some techniques and threats that come with montana mountain flying as I do not have much experience in the mountains. After being cleared for the visual approach; he coached me with relative headings; altitudes; and descent rates that he felt would be adequate to shoot the visual approach. As we were coming over the top of the last peak; we received the egpws warning. It happened so suddenly; and for such a short time that I didn't completely process the warning. During this time; my captain assured me that we were okay and to continue the descent as we had the terrain in sight. I disconnected the autopilot soon after; and landed without any further complications.
Original NASA ASRS Text
Title: Air carrier First Officer reported a brief terrain warning while descending into a mountainous area airport in VMC conditions.
Narrative: Descending into MSO for an approach into Runway 29; we received an EGPWS warning descending over the mountain range. Prior to the descent; my Captain briefed me on some techniques and threats that come with Montana mountain flying as I do not have much experience in the mountains. After being cleared for the visual approach; he coached me with relative headings; altitudes; and descent rates that he felt would be adequate to shoot the visual approach. As we were coming over the top of the last peak; we received the EGPWS warning. It happened so suddenly; and for such a short time that I didn't completely process the warning. During this time; my Captain assured me that we were okay and to continue the descent as we had the terrain in sight. I disconnected the autopilot soon after; and landed without any further complications.
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.