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An air carrier BA32 flight crew, apparently took off without a takeoff clearance from sbn. Flight crew complain of fatigue.
| Attributes | |
| ACN | 368250 |
| Time | |
| Date | 199705 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : sbn |
| State Reference | IN |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Jetstream 32 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | climbout : takeoff |
| 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 : 3500 flight time type : 900 |
| ASRS Report | 368250 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 138 flight time total : 3623 flight time type : 138 |
| ASRS Report | 368155 |
| Events | |
| Anomaly | incursion : runway non adherence : clearance non adherence : far |
| Independent Detector | other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Sbn tower informed us that we had departed without takeoff clearance. The first officer and I were (obviously) under the impression that we had been cleared to go. Since both the first officer and I are both responsible, accomplished pilots with no history of previous incidents or accidents, I can only assume that fatigue played a role in this day's events. I had been scheduled to fly 9 legs on the previous day, all of which contained significant WX flying, instrument approachs, and no autoplt. The duty day was almost 14 hours long. The night previous, I had had 8 hours and 2 mins of reduced rest which was further reduced since our crew hotel is located 20 mins away from the airport. The day of this incident, I had reported for duty at early morning hours and had been on duty for 10 hours when the incident occurred. There is no doubt in my mind that the company's scheduling practices and the FAA's rest requirements contributed to this event. Supplemental information from acn 368155: fatigue was involved due to the prior night's reduced rest after a long duty day with multiple flight legs and several different capts. This reduced rest included 2 long taxi rides to and from the hotel. After the reduced rest, again I flew multiple flight legs with several different capts, again, in adverse WX conditions.
Original NASA ASRS Text
Title: AN ACR BA32 FLC, APPARENTLY TOOK OFF WITHOUT A TKOF CLRNC FROM SBN. FLC COMPLAIN OF FATIGUE.
Narrative: SBN TWR INFORMED US THAT WE HAD DEPARTED WITHOUT TKOF CLRNC. THE FO AND I WERE (OBVIOUSLY) UNDER THE IMPRESSION THAT WE HAD BEEN CLRED TO GO. SINCE BOTH THE FO AND I ARE BOTH RESPONSIBLE, ACCOMPLISHED PLTS WITH NO HISTORY OF PREVIOUS INCIDENTS OR ACCIDENTS, I CAN ONLY ASSUME THAT FATIGUE PLAYED A ROLE IN THIS DAY'S EVENTS. I HAD BEEN SCHEDULED TO FLY 9 LEGS ON THE PREVIOUS DAY, ALL OF WHICH CONTAINED SIGNIFICANT WX FLYING, INST APCHS, AND NO AUTOPLT. THE DUTY DAY WAS ALMOST 14 HRS LONG. THE NIGHT PREVIOUS, I HAD HAD 8 HRS AND 2 MINS OF REDUCED REST WHICH WAS FURTHER REDUCED SINCE OUR CREW HOTEL IS LOCATED 20 MINS AWAY FROM THE ARPT. THE DAY OF THIS INCIDENT, I HAD RPTED FOR DUTY AT EARLY MORNING HRS AND HAD BEEN ON DUTY FOR 10 HRS WHEN THE INCIDENT OCCURRED. THERE IS NO DOUBT IN MY MIND THAT THE COMPANY'S SCHEDULING PRACTICES AND THE FAA'S REST REQUIREMENTS CONTRIBUTED TO THIS EVENT. SUPPLEMENTAL INFO FROM ACN 368155: FATIGUE WAS INVOLVED DUE TO THE PRIOR NIGHT'S REDUCED REST AFTER A LONG DUTY DAY WITH MULTIPLE FLT LEGS AND SEVERAL DIFFERENT CAPTS. THIS REDUCED REST INCLUDED 2 LONG TAXI RIDES TO AND FROM THE HOTEL. AFTER THE REDUCED REST, AGAIN I FLEW MULTIPLE FLT LEGS WITH SEVERAL DIFFERENT CAPTS, AGAIN, IN ADVERSE WX CONDITIONS.
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.