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Flight crew of an medium large transport air carrier aircraft accidentally broadcast inappropriate conversation over ground control frequency at a large busy metropolitan airport due to a 'hot' oxygen mask.
| Attributes | |
| ACN | 253486 |
| Time | |
| Date | 199310 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : dtw |
| State Reference | MI |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : iah |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 17000 flight time type : 10000 |
| ASRS Report | 253486 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | none taken : insufficient time none taken : detected after the fact |
| Consequence | Other Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
Boarded aircraft for next segment. Unknown to us the aircraft had a hot oxygen mask microphone. It had been that way for approximately 1 1/4 hours before we boarded. Since it was 45 mins prior to departure, we ate our crew breakfast in cockpit. During our dining 2 off-color jokes were told and transmitted to all on 121.8 ground control. Discovered hot microphone in oxygen mask 20 mins later. Very embarrassed.
Original NASA ASRS Text
Title: FLC OF AN MLG ACR ACFT ACCIDENTALLY BROADCAST INAPPROPRIATE CONVERSATION OVER GND CTL FREQ AT A LARGE BUSY METROPOLITAN ARPT DUE TO A 'HOT' OXYGEN MASK.
Narrative: BOARDED ACFT FOR NEXT SEGMENT. UNKNOWN TO US THE ACFT HAD A HOT OXYGEN MASK MICROPHONE. IT HAD BEEN THAT WAY FOR APPROX 1 1/4 HRS BEFORE WE BOARDED. SINCE IT WAS 45 MINS PRIOR TO DEP, WE ATE OUR CREW BREAKFAST IN COCKPIT. DURING OUR DINING 2 OFF-COLOR JOKES WERE TOLD AND XMITTED TO ALL ON 121.8 GND CTL. DISCOVERED HOT MIKE IN OXYGEN MASK 20 MINS LATER. VERY EMBARRASSED.
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.