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A communication problem with ATC reported by a dc-9 crew during a loss of pressurization event while deviating around weather.
| Attributes | |
| ACN | 747192 |
| Time | |
| Date | 200707 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 35000 |
| Environment | |
| Flight Conditions | IMC |
| Weather Elements | Ice Rain Thunderstorm Turbulence |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 150 flight time total : 18500 flight time type : 50 |
| ASRS Report | 747192 |
| Events | |
| Anomaly | aircraft equipment problem : critical altitude deviation : excursion from assigned altitude inflight encounter : weather |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : diverted to another airport flight crew : declared emergency |
| Supplementary | |
| Problem Areas | Weather |
| Primary Problem | Aircraft |
Narrative:
While cruising at FL350 had a cabin pressurization failure; deviating around WX; had communication problem with ATC; could not hear them until we came out of the WX; they could hear us. Declared emergency; started descent. Diverted to ZZZ.
Original NASA ASRS Text
Title: A COMMUNICATION PROBLEM WITH ATC REPORTED BY A DC-9 CREW DURING A LOSS OF PRESSURIZATION EVENT WHILE DEVIATING AROUND WEATHER.
Narrative: WHILE CRUISING AT FL350 HAD A CABIN PRESSURIZATION FAILURE; DEVIATING AROUND WX; HAD COM PROB WITH ATC; COULD NOT HEAR THEM UNTIL WE CAME OUT OF THE WX; THEY COULD HEAR US. DECLARED EMER; STARTED DSCNT. DIVERTED TO ZZZ.
Data retrieved from NASA's ASRS site as of January 2009 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.