- Date
- August 10, 1986, 11:09 local (15:09 UTC)
- Place
- Norwood, MA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N369BHughes 369HS
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19860810038209A
- Case key
- 30400
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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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 plt was practicing an autorotation from a closed traffic pattern to the numbers on rwy 35. He rprtd that he made a normal flare & power recovery. However, as the helicopter was nosing forward out of the flare, the plt heard a noise & felt a percussion from the rear of the acft. The helicopter yawed & landed hard. An exam revealed the main rotor blades had struck & severed the tail boom.
Aircraft
- Registration
- N369B
- Reported as
- Hughes 369HS
- Category
- Helicopter
- Serial number
- 3405809
- Airframe hours
- 9,805
- Engine
- Allison 250-C20, 425 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Registered owner
- Burke & Burke
- Airworthiness certificate
- Standard, Normal
- Last inspection
- 100 hour · June 13, 1986
- Departed
- Sherborn, MA
- Airport
- OWD · Norwood, runway 35, 3,993 × 150 ft, asphalt
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 38
- Certificate
- Commercial
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Flight hours
- 316 total · 133 in this make and model · 253 as pilot in command · 6 in the last 90 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- Calm
- Visibility
- 15 statute miles
- Lowest ceiling
- 15,000 ft broken
- Temperature
- 75 °F, dew point 50 °F
- Altimeter
- 30.00 inHg
- Observed at
- OWD
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.