 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Large transport aircraft first officer reported that a visual approach took the aircraft too close to rising terrain and resulted in a GPWS warning.
| Attributes | |
| ACN | 1697964 |
| Time | |
| Date | 201910 |
| Place | |
| Locale Reference | MSO.Airport |
| State Reference | MT |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | Large Transport |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument |
| Experience | Flight Crew Last 90 Days 205.48 Flight Crew Total 11500 Flight Crew Type 3132.73 |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Inflight Event / Encounter CFTT / CFIT |
Narrative:
On approach we requested ILS runway 12 per SOP. Runway was not available due to traffic. We started our approach briefing approximately 1 hour prior to arrival due to the terrain at mso; so we were not rushed and were fully prepared. When mso is running visuals for runway 30; approach gives you direct to the airport which sets up a square turn for the visual approach; pointing directly at rising terrain. We asked for and received direct to a fix on the VOR approach to aid in getting us towards the visual procedure. The first fix on the [company] visual 30 procedure is too close to high rising terrain; and caused approach to ask us if we were aware of the rising terrain. We could see it and at no point was the egpws activated. However I believe this procedure must be stopped and corrected towards the middle of the valley; as it is simply too close to terrain. My captain has an excellent breakdown of the approach that I have nothing to add to.
Original NASA ASRS Text
Title: Large Transport aircraft First Officer reported that a visual approach took the aircraft too close to rising terrain and resulted in a GPWS warning.
Narrative: On approach we requested ILS Runway 12 per SOP. Runway was not available due to traffic. We started our approach briefing approximately 1 hour prior to arrival due to the terrain at MSO; so we were not rushed and were fully prepared. When MSO is running visuals for Runway 30; approach gives you direct to the airport which sets up a square turn for the visual approach; pointing directly at rising terrain. We asked for and received direct to a fix on the VOR approach to aid in getting us towards the visual procedure. The first fix on the [company] visual 30 procedure is too close to high rising terrain; and caused approach to ask us if we were aware of the rising terrain. We could see it and at no point was the EGPWS activated. However I believe this procedure must be stopped and corrected towards the middle of the valley; as it is simply too close to terrain. My Captain has an excellent breakdown of the approach that I have nothing to add to.
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.