ASN Wikibase Occurrence # 359197
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| Date: | Sunday 26 March 1995 |
| Time: | 17:44 LT |
| Type: |  Helio H700 |
| Owner/operator: | Forty (40) Mile Air Ltd. |
| Registration: | N4059H |
| MSN: | H-9 |
| Total airframe hrs: | 1121 hours |
| Engine model: | LYCOMING TIO-540-32B |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Deadhorse, AK -
 United States of America
|
| Phase: | Take off |
| Nature: | Unknown |
| Departure airport: | Finn Creek, AK |
| (KSCC) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT, WITH THREE PASSENGERS, WAS DEPARTING A REMOTE AIRSTRIP ON THE RETURN PORTION OF AN ON-DEMAND CHARTER FLIGHT. THE AIRPLANE, EQUIPPED WITH WHEEL/SKIS, WAS BEING OPERATED WITH THE SKIS RETRACTED FROM A SNOW COVERED STRIP THAT WAS ABOUT 850 FEET LONG. DURING THE TAKEOFF ROLL, THE RIGHT MAIN LANDING GEAR SKI CONTACTED THE SNOW, SLOWING THE AIRPLANE'S ACCELERATION AND PRODUCING A PULL TO THE RIGHT. THE PILOT APPLIED LEFT RUDDER CONTROL AND LEFT BRAKE PRESSURE TO MAINTAIN DIRECTIONAL CONTROL. NEAR THE END OF THE TAKEOFF AREA, THE PILOT ROTATED THE AIRPLANE, HOWEVER, IT SETTLED SLIGHTLY AND THE RIGHT GEAR SKI TIP CONTACTED THE SNOW. THE RIGHT SKI MECHANISM WAS TORN FROM THE AIRPLANE. THE AIRPLANE BECAME AIRBORNE AND THE PILOT DECIDED TO PROCEED TO AN AIRPORT WHERE EMERGENCY RESCUE EQUIPMENT WAS AVAILABLE. DURING TOUCH DOWN AT THE DESTINATION RUNWAY, THE RIGHT MAIN GEAR COLLAPSED. THE FORWARD SKI LIMIT-CABLE BRACKET BOLTS WERE FOUND SHEARED. THREE OF THE BOLTS WERE NON-STANDARD HARDWARE INSTALLED BEFORE THE OPERATOR PURCHASED THE SKIS. THE LIMIT CABLE PREVENTS THE SKI TIP FROM PIVOTING DOWNWARD.
Probable Cause: AN OVERLOAD FAILURE OF THE RIGHT MAIN GEAR RETENTION/LIMIT CABLE BRACKET BOLTS AND INSTALLATION OF NON-STANDARD BOLT HARDWARE BY OTHER MAINTENANCE PERSONNEL. THE PILOT'S FAILURE TO ABORT THE TAKEOFF WAS A FACTOR IN THE ACCIDENT.
Accident investigation:
 |
|
Sources:
NTSB ANC95LA039
History of this aircraft
Other occurrences involving this aircraft
| 22 March 2000 | HC-CAJ | Mision Salesiana del Oriente | 0 | Miasal |  |
w/o |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 08:02 | ASN Update Bot | Added |
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