- Date
- May 9, 1986, 03:00 local (10:00 UTC)
- Place
- La Jolla, CA
- Injuries
- 1 serious, 2 minor
- Damage
- Substantial damage
- Phase of flight
- Initial climb
- Aircraft
- N2784NMBB BO-105S
- Weather
- Visual (VMC) · Night/dark
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19860509016709A
- Case key
- 25155
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The pilot lost control of the helicopter's rotor system during the initial climb phase of the flight. The aircraft spun out of control and crashed on an interstate highway. Company maint applied AD-85-26-02 to detect or prevent jamming of rotorcraft controls in accordance with service bulletin mbb BO-105 on 1/1/86. The acft had flown 189 hrs since the maintenance was performed.
Aircraft
- Registration
- N2784N
- Reported as
- MBB BO-105S
- Category
- Helicopter
- Serial number
- S-633
- Airframe hours
- 869
- Engine
- Allison 250-C20B, 317 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Positioning · Part 91
- Operator
- Evergreen Helicopters, Inc, doing business as [Ems]
- Registered owner
- Metlife Capital Credit Corp.
- Airworthiness certificate
- Standard, Utility; Standard, Normal
- Last inspection
- Annual · November 8, 1985 · 92 hours before
- Departed
- La Jolly, CA
- Destination
- MYF · San Diego, CA
- Flight plan
- Company VFR
- Airport
- Scripps Hosp. Helipad, runway 27, concrete
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 37
- Certificates
- Commercial, Airline transport
- Airplane ratings
- Single-engine land, Multi-engine land
- Instrument ratings
- Airplane, Helicopter
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Right
- Flight hours
- 5,353 total · 600 in this make and model · 29 in the last 90 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Night/dark
- Wind
- 120° at 5 knots
- Visibility
- 7 statute miles
- Lowest ceiling
- None
- Temperature
- 57 °F, dew point 54 °F
- Altimeter
- 29.00 inHg
- Observed at
- SAN, 9 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.