ASN Wikibase Occurrence # 369274
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| Date: | Saturday 21 January 1989 |
| Time: | 12:15 LT |
| Type: |  Hiller OH-23B |
| Owner/operator: | S & F Helo Service, Inc. |
| Registration: | N88785 |
| MSN: | 560 |
| Engine model: | FRANKLIN O-335-6 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Wichita Falls, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Wichita Falls, TX (F14) |
| Holliday, TX (NONE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLT RPRTD THAT AFTER HE HAD FLOWN ABOUT 45 MIN, HE LANDED AT THE WICHITA VALLEY ARPT, THEN TOOK OFF FOR A RTRN FLT TO HOLLIDAY, TX. SHORTLY AFTER DEPARTING THE WICHITA VALLEY ARPT, WHILE EN ROUTE AT ABOUT 500' AGL, THE ENG 'MISSED A FEW TIMES.' THE PLT TURNED TO LAND AT THE ARPT, BUT THE ENG SUBSEQUENTLY LOST ALL POWER. THE PLT MADE AN AUTOROTATIVE LANDING IN A WHEAT FIELD; HOWEVER, DRG THE LANDING, THE HELICOPTER TOUCHED DOWN HARD & WAS DAMAGED. THE LANDING WAS ON A NORTHERLY HEADING. THE 1001 CST WIND AT WICHITA FALLS WAS FROM 180 DEG AT 10 KTS. NO PREIMPACT MECHANICAL PROBLEM WAS FOUND DRG THE INVESTIGATION. THE TEMP & DEW POINT WERE 49 & 24 DEG, RESPECTIVELY. ACCORDING TO CARB ICING CHARTS, CONDITIONS WERE CONDUCIVE FOR CARB ICING. THE PLT RPRTD HE WAS OPERATING WITH THE CARB HEAT APRX 1/4 'ON.'
Probable Cause: THE PILOT'S IMPROPER USE OF THE CARBURETOR HEAT DURING FLIGHT AND HIS IMPROPER FLARE DURING AN AUTOROTATIVE LANDING. CONTRIBUTING FACTORS WERE: CARBURETOR ICING CONDITIONS, IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT, A TAILWIND DURING THE LANDING, AND THE PILOT'S LACK OF RECENT EXPERIENCE.
Accident investigation:
 |
|
Sources:
NTSB FTW89LA043
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Mar-2024 12:42 | ASN Update Bot | Added |
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