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Reporter's aircraft X was given a heading which they mistook for an altitude clearance and started down.
| Attributes | |
| ACN | 441510 |
| Time | |
| Date | 199906 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | navaid : cqy.vortac |
| State Reference | TX |
| Altitude | msl bound lower : 22000 msl bound upper : 24000 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zfw.artcc tower : lga.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Fokker 100 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 441510 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance none taken : detected after the fact |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Center gave us 220 degree heading. Pilots thought it was FL220 and started descent to FL220. Center called at FL230 to confirm FL240. We told center we were cleared FL220, but we were told the heading should be 220 degrees. Center then cleared us to FL220. Contributing factor: cabin crew member entered cockpit when assigned '220.' this could have been a distraction. Solution: reconfirm all headings and altitudes.
Original NASA ASRS Text
Title: RPTR'S ACFT X WAS GIVEN A HDG WHICH THEY MISTOOK FOR AN ALT CLRNC AND STARTED DOWN.
Narrative: CTR GAVE US 220 DEG HDG. PLTS THOUGHT IT WAS FL220 AND STARTED DSCNT TO FL220. CTR CALLED AT FL230 TO CONFIRM FL240. WE TOLD CTR WE WERE CLRED FL220, BUT WE WERE TOLD THE HDG SHOULD BE 220 DEGS. CTR THEN CLRED US TO FL220. CONTRIBUTING FACTOR: CABIN CREW MEMBER ENTERED COCKPIT WHEN ASSIGNED '220.' THIS COULD HAVE BEEN A DISTR. SOLUTION: RECONFIRM ALL HDGS AND ALTS.
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.