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Flight crew of air carrier large transport aircraft inadvertently failed to turn on the seatbelt sign prior to takeoff.
| Attributes | |
| ACN | 223441 |
| Time | |
| Date | 199210 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : bhm |
| State Reference | AL |
| Altitude | msl bound lower : 15000 msl bound upper : 15000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : ztl |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 100 flight time total : 8521 flight time type : 257 |
| ASRS Report | 223441 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : atp |
| Events | |
| Anomaly | non adherence : far non adherence other other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Passing 15000 MSL, I decided that the seat belt sign could be turned off and reached for the rotary switch. Much to my surprise, the seat belt rotary switch was in the off position. We had read the before start checklist and both acknowledged the seat belt sign was on. The widebody transport and large transport have a rotary switch for the no smoking and seat belt signs. A cursory glance is not sufficient to determine that the switch is in the proper position. Beware of these 'modern' rotary switches.
Original NASA ASRS Text
Title: FLC OF ACR LGT ACFT INADVERTENTLY FAILED TO TURN ON THE SEATBELT SIGN PRIOR TO TKOF.
Narrative: PASSING 15000 MSL, I DECIDED THAT THE SEAT BELT SIGN COULD BE TURNED OFF AND REACHED FOR THE ROTARY SWITCH. MUCH TO MY SURPRISE, THE SEAT BELT ROTARY SWITCH WAS IN THE OFF POS. WE HAD READ THE BEFORE START CHKLIST AND BOTH ACKNOWLEDGED THE SEAT BELT SIGN WAS ON. THE WDB AND LGT HAVE A ROTARY SWITCH FOR THE NO SMOKING AND SEAT BELT SIGNS. A CURSORY GLANCE IS NOT SUFFICIENT TO DETERMINE THAT THE SWITCH IS IN THE PROPER POS. BEWARE OF THESE 'MODERN' ROTARY SWITCHES.
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.