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Captain of air carrier medium large transport aircraft climb off of assigned altitude in response to a GPWS warning during approach vector.
| Attributes | |
| ACN | 232953 |
| Time | |
| Date | 199301 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : bur |
| State Reference | CA |
| Altitude | msl bound lower : 5000 msl bound upper : 6000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tracon : bur |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | descent : approach descent other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : private pilot : flight engineer pilot : commercial |
| Experience | flight time last 90 days : 200 flight time total : 4000 flight time type : 250 |
| ASRS Report | 232953 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| 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 other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course flight crew : took evasive action flight crew : exited adverse environment |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Level 5000 MSL 15 NM north/northwest of bur on approach to landing at bur runway 8. While being radar vectored to ILS GPWS gives terrain and pull up warnings. Captain immediately climbs and we level at 6000 ft with no further warnings. Approach notified immediately. Apparently, equipment malfunction. MVA was 5000 ft in area. Approach continued with no further warnings or incidents.
Original NASA ASRS Text
Title: CAPT OF ACR MLG ACFT CLB OFF OF ASSIGNED ALT IN RESPONSE TO A GPWS WARNING DURING APCH VECTOR.
Narrative: LEVEL 5000 MSL 15 NM N/NW OF BUR ON APCH TO LNDG AT BUR RWY 8. WHILE BEING RADAR VECTORED TO ILS GPWS GIVES TERRAIN AND PULL UP WARNINGS. CAPT IMMEDIATELY CLBS AND WE LEVEL AT 6000 FT WITH NO FURTHER WARNINGS. APCH NOTIFIED IMMEDIATELY. APPARENTLY, EQUIP MALFUNCTION. MVA WAS 5000 FT IN AREA. APCH CONTINUED WITH NO FURTHER WARNINGS OR INCIDENTS.
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.