Bell 206 B3 N90328
1 August 1985 · Arroyo Grande, California, United States · No injuries
Summary
On 1 August 1985 at about 17:15 local time, a Bell 206 B3 registered N90328, operated by Western Helicopters, was involved in an accident near Arroyo Grande, California, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- at 17:15
- Classification
- Accident
- Location
- Arroyo Grande, California, United States
- Coordinates
- 35.1591, -120.4300
- Aircraft
- Bell 206 B3
- Registration
- N90328
- Category
- Helicopter
- Engines
- 1
- Operator
- Western Helicopters
- Operating rule
- Part 133: Rotorcraft Ext. Load
- Purpose of flight
- Other Work Use
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- LAX85LA336
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 1 |
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
WHILE HOVERING AND SLINGING AN EXTERNAL LOAD OVER ROUGH TERRAIN THE ENG CHIP LIGHT ILLUMINATED. THE PLT IMMEDIATELY POSITIONED THE ACFT TO RELEASE THE LOAD AND THE ENG BEGAN MAKING A 'WHINING' NOISE. SEVERAL SECONDS LATER ALL ENG POWER WAS LOST. THE PLT AUTOROTATED TO A FIRM LANDING AND UPON TOUCHDOWN THE MAIN ROTOR BLADES FLEXED DOWNWARD AND SEVERED THE TAIL BOOM. EXAM OF THE ENG'S TURBINE COMPONENTS REVEALED THE PRESENCE OF A 'SLUDGE' MATERIAL IN THE SCAVENGE OIL LINE FROM THE NO. 8 BEARING AND ALSO THE PRESENCE OF A HEAVY BUILD UP OF CARBON ON THE ENGINE ROTOR 'PEASHOOTER' DRIVE SHAFT. THE ACCUMULATED MATERIAL CAUSED SHAFT RUB AND FAILURE OF THE POWER TURBINE'S INNER SHAFT. THE OPERATOR REPORTED THAT AN EARLY INSPECTION OF THE N1/N2 DRIVE SHAFT AREA COULD HAVE DETECTED THE PROBLEM AND PREVENTED THE ACCIDENT.
Quoted verbatim from the NTSB record.
Other Bell 206 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 10 Jan 1985 | Bell 206BIII | Kenai, Alaska, United States | - | Fatal | 1 |
| 15 Jul 1985 | Bell 206L-1 | Saginaw, Texas, United States | - | Serious injuries | - |
| 9 Aug 1985 | Bell 206B | Damon, Texas, United States | Evergreen Helicopters Inc. | Minor injuries | - |
| 31 Mar 1985 | Bell 206A | San Diego, California, United States | Blue Bird Express Helicopters | Serious injuries | - |
| 9 Mar 1985 | Bell 206B | Whittier, Alaska, United States | Michael Pariser | Fatal | 1 |
| 12 Apr 1985 | Bell 206B | Lake Berryessa, California, United States | Horizon Helicopter, Inc. | Minor injuries | - |
All 1,732 records for this type
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 16 Mar 1985 | Mooney M20C | Apple Valley, California, United States | - | Serious injuries | - |
| 22 Mar 1985 | Cessna 152 | Shafter, California, United States | Air Center International, Inc. | Minor injuries | - |
| 23 Mar 1985 | Cessna 150 | Banning, California, United States | - | Minor injuries | - |
| 15 Oct 1985 | Rotorway EXECUTIVE | El Monte, California, United States | Frank Louis Lillo | No injuries | - |
| 29 Mar 1985 | Piper PA-30 | Death Valley, California, United States | Underwood Assoc. Inc. | No injuries | - |
| 2 Apr 1985 | Cessna 414 | Eagle Mountain, California, United States | - | Unknown | - |