Aerospatiale SE 318C N4966
7 March 1986 · Siletz, Oregon, United States · Fatal
Summary
On 7 March 1986 at about 17:40 local time, a Aerospatiale SE 318C registered N4966, operated by Lorance E. Osborne, was involved in an accident near Siletz, Oregon, United States. One person was on board and one died. The aircraft was destroyed. No probable cause statement is available for this record.
The record
- Date
- at 17:40
- Classification
- Accident
- Location
- Siletz, Oregon, United States
- Coordinates
- 43.1791, -120.9594
- Aircraft
- Aerospatiale SE 318C
- Registration
- N4966
- Category
- Helicopter
- Engines
- 1
- Operator
- Lorance E. Osborne
- Operating rule
- Part 133: Rotorcraft Ext. Load
- Purpose of flight
- Other Work Use
- Phase of flight
- Not recorded
- Aircraft damage
- Destroyed
- Weather
- VMC
- Light
- Day
- NTSB number
- SEA86FA073
People
1 person died.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 1 | 0 | 0 | 0 |
Probable cause
The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.
Nothing about the cause is stated here that is not in the source record.
Read the full NTSB narrative
THE PLT UNSUCCESSFULLY ATTEMPTED TO LIFT A 1597 LB LOAD OF CEDAR BLOCKS WHICH WOULD HAVE PLACED THE HELICOPTER APRX 880 LBS OVER ITS MAX GROSS WEIGHT WITH AN EXTERNAL LOAD. THE PLT WAS SETTING THE LOAD DOWN FOR GROUND PERSONNEL TO UNLOAD SOME OF THE BLOCKS WHEN A LOSS OF PWR OCCURRED. THE HELICOPTER THEN DESCENDED TO GROUND IMPACT WITH THE EXTERNAL LOAD LINE STILL ATTACHED. INSPECTION REVEALED THE ENG SUSTAINED A COMPRESSOR STALL AND THE TURBINE SECTION OF THE ENG HAD BEEN BURNED.
Quoted verbatim from the NTSB record.
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 30 Mar 1986 | Piper PA-22-150 | Warm Springs, Oregon, United States | - | No injuries | - |
| 14 Mar 1986 | Beechcraft 76 | Troutdale, Oregon, United States | - | No injuries | - |
| 12 Apr 1986 | Bellanca 7GCBC | Harlen, Oregon, United States | - | No injuries | - |
| 15 Apr 1986 | Bell 47G3B1 | Albany, Oregon, United States | - | No injuries | - |
| 23 Apr 1986 | Grumman G164-A | Echo, Oregon, United States | - | No injuries | - |
| 25 Apr 1986 | Robinson R22-A | Portland, Oregon, United States | - | No injuries | - |