Hughes 369D N8306F
4 February 1985 · Taholah, Washington, United States · Minor injuries
Summary
On 4 February 1985 at about 23:00 local time, a Hughes 369D registered N8306F was involved in an accident near Taholah, Washington, United States. One person was on board and one had minor injuries. The aircraft was destroyed. No probable cause statement is available for this record.
The record
- Date
- at 23:00
- Classification
- Accident
- Location
- Taholah, Washington, United States
- Coordinates
- 47.3109, -124.2193
- Aircraft
- Hughes 369D
- Registration
- N8306F
- Category
- Helicopter
- Engines
- 1
- Operator
- Not recorded
- 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
- SEA85LA053
People
1 person had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 1 | 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 ACFT HAD LIFTED OFF DURING AN EXTERNAL LOAD OPERATION WHEN THE PLT FELT A 'VIBRATION/SHUDDER'. THE RIGHT SKID CONTACTED THE GROUND AND THE HELICOPTER ROLLED OVER DURING AN ATTEMPT TO MANEUVER THE HELICOPTER AWAY FROM GROUND PERSONNEL. INSPECTION REVEALED THE MAIN ROTOR DRIVE SHAFT SEPARATED APRX 3 INCHES FROM THE SPLINED END OF THE SHAFT. METALLURGICAL EXAMINATION DISCLOSED THE SHAFT FAILED FROM UNIDIRECTIONAL FATIGUE INITIATING FROM SURFACE PITS ON THE SHAFT.
Quoted verbatim from the NTSB record.
Other Hughes 369 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 6 Feb 1985 | Hughes 369D | Hilo, Hawaii, United States | - | Fatal | 1 |
| 19 Nov 1985 | Hughes 369D | Kunia, Oahu, Hawaii, United States | - | No injuries | - |
| 7 Jun 1985 | Hughes 369HS | Aiken, South Carolina, United States | - | No injuries | - |
| 15 Mar 1985 | Hughes 369HS | Princeton, Missouri, United States | Kcmo Radio | No injuries | - |
| 8 May 1985 | Hughes 369HS | Malvern, Arkansas, United States | Three Rivers Helicopters | Minor injuries | - |
| 15 Feb 1985 | Hughes 369D | Hilo, Hawaii, United States | Sunair Copters, Inc. | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 17 Feb 1985 | Cessna 172 | Spanaway, Washington, United States | - | No injuries | - |
| 17 Feb 1985 | Beechcraft BE-77 | Pasco, Washington, United States | Karl Bergstorm | No injuries | - |
| 24 Feb 1985 | Cessna TU206F | Seattle, Washington, United States | - | No injuries | - |
| 8 Mar 1985 | Cessna 177A | Stanwood, Washington, United States | - | No injuries | - |
| 14 Mar 1985 | Grumman 164A | Ritzville, Washington, United States | - | No injuries | - |
| 15 Mar 1985 | Bellanca 7GCBC | Bremerton, Washington, United States | - | No injuries | - |