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B727 flight crew did not maintain assigned altitude due to WX and climbed back to original altitude without clearance.
| Attributes | |
| ACN | 339514 |
| Time | |
| Date | 199606 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : rdu |
| State Reference | NC |
| Altitude | msl bound lower : 13000 msl bound upper : 15000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : rdu tower : chs |
| Operator | common carrier : air carrier |
| Make Model Name | B727 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | 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 : instrument pilot : flight engineer pilot : commercial pilot : cfi |
| Experience | flight time last 90 days : 240 flight time total : 12000 flight time type : 3200 |
| ASRS Report | 339514 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude inflight encounter : weather non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Weather |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Flight was cleared to descend from 15000 ft to 7000 ft. At 13000 ft, the captain announced his intentions to level off to clear the tops of WX buildups. Aircraft started to climb 1000 FPM. I advised the captain that he was climbing and did he want me to request a higher altitude assignment. He responded, 'yes, 15000 ft.' I requested 15000 ft from rdu approach who said 'fly heading 190 degrees and he would coordinate higher with ZDC.' our flight leveled at 15000 ft without clearance and once we were clear of the WX, we descended to 7000 ft and advised rdu approach. Nothing further was said of our altitude excursion.
Original NASA ASRS Text
Title: B727 FLC DID NOT MAINTAIN ASSIGNED ALT DUE TO WX AND CLBED BACK TO ORIGINAL ALT WITHOUT CLRNC.
Narrative: FLT WAS CLRED TO DSND FROM 15000 FT TO 7000 FT. AT 13000 FT, THE CAPT ANNOUNCED HIS INTENTIONS TO LEVEL OFF TO CLR THE TOPS OF WX BUILDUPS. ACFT STARTED TO CLB 1000 FPM. I ADVISED THE CAPT THAT HE WAS CLBING AND DID HE WANT ME TO REQUEST A HIGHER ALT ASSIGNMENT. HE RESPONDED, 'YES, 15000 FT.' I REQUESTED 15000 FT FROM RDU APCH WHO SAID 'FLY HDG 190 DEGS AND HE WOULD COORDINATE HIGHER WITH ZDC.' OUR FLT LEVELED AT 15000 FT WITHOUT CLRNC AND ONCE WE WERE CLR OF THE WX, WE DSNDED TO 7000 FT AND ADVISED RDU APCH. NOTHING FURTHER WAS SAID OF OUR ALT EXCURSION.
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.