 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
An A319 PIC must request 10000 ft because of the unexplained loss of crew oxygen while at FL330 near jst, PA.
| Attributes | |
| ACN | 552428 |
| Time | |
| Date | 200207 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : jst.airport |
| State Reference | PA |
| Altitude | msl single value : 33000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | A321 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 15000 flight time type : 3000 |
| ASRS Report | 552428 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical non adherence : published procedure other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact other |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
Used oxygen earlier in flight as copilot used facilities. Later, in same flight, put oxygen mask on -- oxygen pressure zero, advised ATC of oxygen system problem. Requested and descended to 10000 ft MSL. Dispatched with 1600 psi crew oxygen due to leak or other factor oxygen lost. No warning advisory from aircraft system -- found out by putting oxygen mask on.
Original NASA ASRS Text
Title: AN A319 PIC MUST REQUEST 10000 FT BECAUSE OF THE UNEXPLAINED LOSS OF CREW OXYGEN WHILE AT FL330 NEAR JST, PA.
Narrative: USED OXYGEN EARLIER IN FLT AS COPLT USED FACILITIES. LATER, IN SAME FLT, PUT OXYGEN MASK ON -- OXYGEN PRESSURE ZERO, ADVISED ATC OF OXYGEN SYS PROB. REQUESTED AND DESCENDED TO 10000 FT MSL. DISPATCHED WITH 1600 PSI CREW OXYGEN DUE TO LEAK OR OTHER FACTOR OXYGEN LOST. NO WARNING ADVISORY FROM ACFT SYS -- FOUND OUT BY PUTTING OXYGEN MASK ON.
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.