Hiller-Soloy UH-12L4 N67264
14 June 1994 · Clarkston, Washington, United States · Minor injuries
Summary
On 14 June 1994 at about 23:50 local time, a Hiller-Soloy UH-12L4 registered N67264, operated by Pope, James R., was involved in an accident near Clarkston, Washington, United States. 3 people were on board and 3 had minor injuries. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 23:50
- Classification
- Accident
- Location
- Clarkston, Washington, United States
- Coordinates
- 46.3607, -117.2199
- Aircraft
- Hiller-Soloy UH-12L4
- Registration
- N67264
- Category
- Helicopter
- Engines
- 1
- Operator
- Pope, James R.
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Asotin → Unknown
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- SEA94LA149
People
3 people had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 3 | 0 | 0 | 3 | 0 |
Probable cause
DISCONNECTION OF THE BALLAST BAR AFT RETAINING PIN. FACTOR(S) WERE: TAIL ROTOR BLADE SEPARATION AND REDUCED AIRCRAFT CONTROL.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
WHILE IN FLIGHT THE BALLAST BAR AFT RETAINING PIN DISCONNECTED ALLOWING THE BALLAST BAR TO DISENGAGE FROM THE AFT BOLT AND SWING INTO THE PLANE OF ROTATION OF THE TAIL ROTOR BLADES. BOTH TAIL ROTOR BLADES SEPARATED AND A LOSS OF DIRECTIONAL CONTROL FOLLOWED. THE PILOT, UNABLE TO MAINTAIN FULL CONTROL OF THE ROTORCRAFT, EXECUTED AN AUTOROTATION TO A HARD LANDING.
Quoted verbatim from the NTSB record.
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 7 May 1994 | Aero Commander S2R | Dayton, Washington, United States | AG Air Inc. | No injuries | - |
| 28 May 1994 | Rockwell S-2R | Touchet, Washington, United States | Garbe, Duane M. and Carol A. | Minor injuries | - |
| 1 Jun 1994 | Kopp KITFOX II | Bremerton, Washington, United States | - | Minor injuries | - |
| 28 May 1994 | Wray KR-2 | Puyallup, Washington, United States | Wray, Rick L. | No injuries | - |
| 10 Jun 1994 | Hughes 369D | Snoqualmie, Washington, United States | Highline Helicopters | No injuries | - |
| 26 May 1994 | De Havilland DHC-2 | Friday Harbor, Washington, United States | - | Serious injuries | - |