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An A320 flight crew receives a GPWS alert right after N90 controller modifies their descent clearance from 2000 ft back to 3000 ft when 25 mi northwest of ewr, nj.
| Attributes | |
| ACN | 614103 |
| Time | |
| Date | 200404 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : ewr.airport |
| State Reference | NJ |
| Altitude | msl bound lower : 2500 msl bound upper : 3000 |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90.tracon tower : mht.tower |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | arrival : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine |
| Experience | flight time last 90 days : 194 flight time total : 5000 flight time type : 1458 |
| ASRS Report | 614103 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | airspace violation : exit non adherence : published procedure other spatial deviation |
| Independent Detector | atc equipment : msaw aircraft equipment other aircraft equipment : gpws other controllera other flight crewa other flight crewb |
| Resolutory Action | controller : issued new clearance flight crew : took evasive action flight crew : returned to assigned altitude |
| Supplementary | |
| Problem Areas | Airspace Structure ATC Human Performance Flight Crew Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
Narrative:
First officer was flying with autoplt engaged. New york approach was giving delay vectors for sequencing to the ILS runway 22L to ewr. The incident occurred approximately 20-30 mi northwest of ewr. We were cleared from 3000 ft to 2000 ft and given a turn to heading of approximately 190 degrees. Passing about 2500 ft, controller said to maintain 3000 ft. We queried him since we had already passed 3000 ft for 2000 ft and wanted him to confirm it was a climb to 3000 ft. At about this time GPWS warning, we complied with GPWS until clear of terrain and maintained 3000 ft (highest altitude during GPWS maneuver was approximately 3200 ft). Approach and landing were otherwise uneventful.
Original NASA ASRS Text
Title: AN A320 FLT CREW RECEIVES A GPWS ALERT RIGHT AFTER N90 CTLR MODIFIES THEIR DSCNT CLRNC FROM 2000 FT BACK TO 3000 FT WHEN 25 MI NW OF EWR, NJ.
Narrative: FO WAS FLYING WITH AUTOPLT ENGAGED. NEW YORK APCH WAS GIVING DELAY VECTORS FOR SEQUENCING TO THE ILS RWY 22L TO EWR. THE INCIDENT OCCURRED APPROX 20-30 MI NW OF EWR. WE WERE CLRED FROM 3000 FT TO 2000 FT AND GIVEN A TURN TO HDG OF APPROX 190 DEGS. PASSING ABOUT 2500 FT, CTLR SAID TO MAINTAIN 3000 FT. WE QUERIED HIM SINCE WE HAD ALREADY PASSED 3000 FT FOR 2000 FT AND WANTED HIM TO CONFIRM IT WAS A CLB TO 3000 FT. AT ABOUT THIS TIME GPWS WARNING, WE COMPLIED WITH GPWS UNTIL CLR OF TERRAIN AND MAINTAINED 3000 FT (HIGHEST ALT DURING GPWS MANEUVER WAS APPROX 3200 FT). APCH AND LNDG WERE OTHERWISE UNEVENTFUL.
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.