 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Captain of an MD80 stopped descending during vectors for approach due to a GPWS warning. ATC advised that the aircraft was well within MVA.
| Attributes | |
| ACN | 421862 |
| Time | |
| Date | 199812 |
| Day | Sun |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : pdx |
| State Reference | OR |
| Altitude | msl bound lower : 6800 msl bound upper : 6800 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent other |
| Route In Use | arrival other enroute : on vectors enroute airway : pdx |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : cfi |
| Experience | flight time last 90 days : 250 flight time total : 25000 flight time type : 8000 |
| ASRS Report | 421862 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
While being radar vectored by pdx approach, approach issued a descent clearance to 6000 ft MSL. After calling out of 7000 ft, at 6800 ft the GPWS activated informing us of 'terrain, pull up.' I immediately started a climb to 8000 ft. The GPWS went silent at 7500 ft. I informed approach of the climb and the reason, and they commented that the MVA was 6000 ft. A few moments later, we accepted a descent to 3000 ft. The ILS approach continued without further incident.
Original NASA ASRS Text
Title: CAPT OF AN MD80 STOPPED DSNDING DURING VECTORS FOR APCH DUE TO A GPWS WARNING. ATC ADVISED THAT THE ACFT WAS WELL WITHIN MVA.
Narrative: WHILE BEING RADAR VECTORED BY PDX APCH, APCH ISSUED A DSCNT CLRNC TO 6000 FT MSL. AFTER CALLING OUT OF 7000 FT, AT 6800 FT THE GPWS ACTIVATED INFORMING US OF 'TERRAIN, PULL UP.' I IMMEDIATELY STARTED A CLB TO 8000 FT. THE GPWS WENT SILENT AT 7500 FT. I INFORMED APCH OF THE CLB AND THE REASON, AND THEY COMMENTED THAT THE MVA WAS 6000 FT. A FEW MOMENTS LATER, WE ACCEPTED A DSCNT TO 3000 FT. THE ILS APCH CONTINUED WITHOUT FURTHER INCIDENT.
Data retrieved from NASA's ASRS site as of July 2007 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.