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GPWS warning inspires flight crew into altitude deviation altitude excursion during a night operation.
| Attributes | |
| ACN | 235347 |
| Time | |
| Date | 199303 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : las |
| State Reference | NV |
| Altitude | msl bound lower : 6100 msl bound upper : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : las |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | cruise other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 180 flight time total : 6800 flight time type : 1700 |
| ASRS Report | 235347 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other other spatial deviation |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified |
| Resolutory Action | flight crew : returned to intended course or assigned course flight crew : exited adverse environment flight crew : took evasive action |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation other |
| Situations | |
| ATC Facility | procedure or policy : unspecified |
Narrative:
On downwind to land runway 1R at las. Approach control was vectoring us to the runway, level at 6100 ft MSL. 11 DME south of field the GPWS sounded 'terrain' and then 'pull up.' I climbed to 7000 ft MSL while copilot called approach. Controller said 6100 ft was the vectoring altitude. The landing was uneventful. I called the tower on the phone and was told others have experienced similar alerts.
Original NASA ASRS Text
Title: GPWS WARNING INSPIRES FLC INTO ALTDEV ALT EXCURSION DURING A NIGHT OP.
Narrative: ON DOWNWIND TO LAND RWY 1R AT LAS. APCH CTL WAS VECTORING US TO THE RWY, LEVEL AT 6100 FT MSL. 11 DME S OF FIELD THE GPWS SOUNDED 'TERRAIN' AND THEN 'PULL UP.' I CLBED TO 7000 FT MSL WHILE COPLT CALLED APCH. CTLR SAID 6100 FT WAS THE VECTORING ALT. THE LNDG WAS UNEVENTFUL. I CALLED THE TWR ON THE PHONE AND WAS TOLD OTHERS HAVE EXPERIENCED SIMILAR ALERTS.
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.