Hiller-Soloy H-23D accident near Seaside, Oregon, February 23, 1994
On February 23, 1994 at about 9:20 pm local time, a Hiller-Soloy H-23D (helicopter), registered N62413, was destroyed in an accident near Seaside, Oregon. It was an other work-use flight under external-load helicopter rules (Part 133). 1 person had minor injuries. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE PILOT'S IMPROPER USE OF FLIGHT CONTROLS RESULTING IN SETTLING WITH POWER.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- February 23, 1994 · about 9:20 pm local time
- Place
- Seaside, Oregon · map
- Type
- Accident
- Injuries
- 1 person had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Hiller-Soloy H-23D
- Registration
- N62413 · no longer on the register · serial 1372
- Damage
- Destroyed
- Flight
- Other work-use flight · external-load helicopter rules (Part 133)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT ADDED POWER AFTER RELEASING A SLING LOAD OF CEDAR SHAKES FROM A HOVER. THE HELICOPTER BEGAN A DESCENT WITH POWER WHICH THE PILOT WAS UNABLE TO STOP. DURING THE RECOVERY MANEUVER THE HELICOPTER COLLIDED WITH TERRAIN AND ROLLED OVER.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: commercial pilot
- Ratings: rotorcraft: helicopter
- Flight time: 2,231 hours in all
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Last inspection: annual inspection
- Maximum gross weight: 2,750 lb
- Seats: 3
- Landing gear: fixed
- Engine: Allison 250-C20B (turboshaft); 0 hours total
- Operator: Helicopter Enterprises, INC.
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Visibility: 4 statute miles
- Sky: overcast at 1,000 ft; not recorded
- Temperature: 50°F (10°C), dew point 43°F (6°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.