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A B727 cargo flight descends at ATC's request to 8000 ft. Second controller sends them back to original altitude saying, 'air carrier xy, you're supposed to be at 9000 ft.' 20 mi northeast pxr, az.
| Attributes | |
| ACN | 485350 |
| Time | |
| Date | 200009 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | navaid : pxr.vortac |
| State Reference | AZ |
| Altitude | msl bound lower : 8000 msl bound upper : 9000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : p50.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B727 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other vortac |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival star : fossl |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 45 flight time total : 5000 flight time type : 2500 |
| ASRS Report | 485350 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : second officer |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 100 flight time total : 2000 flight time type : 100 |
| ASRS Report | 485352 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued advisory flight crew : returned to original clearance |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Approach controller gave us 'descend and maintain 8000 ft.' first officer set 8000 ft in altitude alerter and I descended to 8000 ft. We both heard and acknowledged 8000 ft. We were handed off to next approach controller who said 'air carrier xy, you're supposed to be at 9000 ft, climb immediately to 9000 ft.' we did, and that was the end of it. I am positive that if they pulled the tapes, it would be verified that we were originally assigned 'descend and maintain 8000 ft.' we then were given a descent to 6000 ft and received a vector to a downwind for runway 8R at phx for landing.
Original NASA ASRS Text
Title: A B727 CARGO FLT DSNDS AT ATC'S REQUEST TO 8000 FT. SECOND CTLR SENDS THEM BACK TO ORIGINAL ALT SAYING, 'ACR XY, YOU'RE SUPPOSED TO BE AT 9000 FT.' 20 MI NE PXR, AZ.
Narrative: APCH CTLR GAVE US 'DSND AND MAINTAIN 8000 FT.' FO SET 8000 FT IN ALT ALERTER AND I DSNDED TO 8000 FT. WE BOTH HEARD AND ACKNOWLEDGED 8000 FT. WE WERE HANDED OFF TO NEXT APCH CTLR WHO SAID 'ACR XY, YOU'RE SUPPOSED TO BE AT 9000 FT, CLB IMMEDIATELY TO 9000 FT.' WE DID, AND THAT WAS THE END OF IT. I AM POSITIVE THAT IF THEY PULLED THE TAPES, IT WOULD BE VERIFIED THAT WE WERE ORIGINALLY ASSIGNED 'DSND AND MAINTAIN 8000 FT.' WE THEN WERE GIVEN A DSCNT TO 6000 FT AND RECEIVED A VECTOR TO A DOWNWIND FOR RWY 8R AT PHX FOR LNDG.
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.