ASN Wikibase Occurrence # 357128
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| Date: | Wednesday 3 July 1996 |
| Time: | 03:50 LT |
| Type: |  Beechcraft 58 Baron |
| Owner/operator: | Iso Aero Service, Inc. |
| Registration: | N23806 |
| MSN: | TH 908 |
| Total airframe hrs: | 2342 hours |
| Engine model: | Continental IO-520-C |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Kinston, NC -
 United States of America
|
| Phase: | Approach |
| Nature: | Ferry/positioning |
| Departure airport: | Raleigh, NC (KRDU) |
| (KISO) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
After being awake about 20 hrs, the pilot (plt) departed on a positioning flight (flt) at 0217 EDT after two previous flts; although, she said she contemplated 'staying the night in Raleigh because of the fatigue.' She used the aircraft (acft) heater, on the ground & during takeoff. She said that en route, she felt fatigued & contemplated returning to the departure airport, but continued flt. About 5 min before starting a VOR approach (apch), plt turned off the heater. Two times, while being vectored for apch, plt incorrectly read back the direction of turn (left vs right), but other details & radio transmissions were accurate & responsive. The plt said she fell asleep after putting gear down on apch Acft then collided with trees & the ground. Time of accident was about 0250 EDT. Postcrash fire erupted, but plt egressed with injuries that were considered minor. Investigators requested blood specimens to test for carboxyhemoglobin [carbon monoxide (CO) poisoning], but specimens were not provided. (Plt said that due to extreme pain, her doctor opted not to proceed with test.) Pressure testing of heater revealed leaks at a gasket & screw (where fuel nozzle was mounted) & at 2 of 3 cross-over tubes; but these were attributed to impact damage. No evidence was found of any preimpact heater failure or malfunction that would have allowed CO to have entered the cockpit. Two plts used the heater on previous flts, but neither of them noticed any heater problem or symptoms of CO poisoning. About 18 miles west, at 0255 EDT, the ceiling was 300 feet broken. MDA for the approach was 352 feet AGL (440 msl).
Probable Cause: failure of the pilot to maintain minimum descent altitude (MDA) during approach because of fatigue.
Accident investigation:
 |
|
Sources:
NTSB MIA96LA174
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2024 14:36 | ASN Update Bot | Added |
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