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Flight stopped climb at 12000' with 4 fgt cleared level at 13000'. 2 fgt leveled but 2 fgt descended through air carrier's altitude proximity of 2500'.
| Attributes | |
| ACN | 182566 |
| Time | |
| Date | 199107 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : fll |
| State Reference | FL |
| Altitude | msl bound lower : 12000 msl bound upper : 12000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zma tracon : dfw |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | climbout : intermediate altitude cruise other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | other |
| Make Model Name | Fighter |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 7000 |
| ASRS Report | 182566 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : atp pilot : instrument |
| Experience | flight time last 90 days : 240 flight time total : 4000 flight time type : 240 |
| ASRS Report | 182876 |
| Events | |
| Anomaly | altitude deviation : overshoot conflict : airborne less severe non adherence : clearance |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | none taken : insufficient time |
| Consequence | Other |
| Miss Distance | vertical : 0 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We were level at 12000' and advised by controller that a flight of 4 fgt were descending to 13000'. The first 2 fgt seemed to level at 13000', but the second 2 fgt continued through our altitude at a high rate of descent. We notified ATC and they notified the military flight that they had deviated from assigned altitude. Horizontal sep was about 2500'.
Original NASA ASRS Text
Title: FLT STOPPED CLIMB AT 12000' WITH 4 FGT CLEARED LEVEL AT 13000'. 2 FGT LEVELED BUT 2 FGT DESCENDED THROUGH ACR'S ALT PROX OF 2500'.
Narrative: WE WERE LEVEL AT 12000' AND ADVISED BY CTLR THAT A FLT OF 4 FGT WERE DSNDING TO 13000'. THE FIRST 2 FGT SEEMED TO LEVEL AT 13000', BUT THE SECOND 2 FGT CONTINUED THROUGH OUR ALT AT A HIGH RATE OF DSNT. WE NOTIFIED ATC AND THEY NOTIFIED THE MIL FLT THAT THEY HAD DEVIATED FROM ASSIGNED ALT. HORIZ SEP WAS ABOUT 2500'.
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.