- Date
- June 20, 1987, 18:50 local (22:50 UTC)
- Place
- Miami, FL
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N6772DBell 47G-2
- Weather
- Visual (VMC) · Day
- Status
- Completed · report October 7, 1988
- Report
- Approved by Office Director
- FAA report
- 19870620034009A
- Case key
- 31933
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 instructor plt stated that the helicopter began to vibrate while the student plt was maneuvering it during an instructional flt. The instructor plt then executed a forced landing and upon touchdown the main rotor blades contacted the ground. Inspection of the helicopter revealed that the bolt which attaches one side of the swashplate to the scissor assy broke resulting in the loss of pitch control of the main rotor blades.
Aircraft
- Registration
- N6772D
- Reported as
- Bell 47G-2
- Category
- Helicopter
- Serial number
- 2256
- Airframe hours
- 8,459
- Engine
- Lycoming VO-435-A1D, 260 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Instructional · Part 91
- Operator
- Kimura International
- Registered owner
- Toyoshi Kimura
- Airworthiness certificate
- Standard, Normal
- Last inspection
- 100 hour · April 8, 1987 · 20 hours before
- Airport
- OPF · Opa Locka, runway 9, 8,002 × 150 ft, asphalt
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
- 27
- Certificates
- Flight instructor, Commercial
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 2,300 total · 2,031 as pilot in command
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 120° at 8 knots
- Visibility
- 12 statute miles
- Lowest ceiling
- 20,000 ft broken
- Altimeter
- 30.00 inHg
- Observed at
- OPF
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N6772D · 1
Matched to the same aircraft by N-number and date.