- Date
- July 22, 1983, 12:12 local (16:12 UTC)
- Place
- Canton, PA
- Injuries
- 2 fatal
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N9066PRobinson R22
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- Safety recommendations
- Yes
- FAA report
- 19830722034479A
- Case key
- 35065
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
While the helicopter was on a power line patrol flt, one of the main rotor blades separated & the acft crashed & burned. Numerous persons saw the helicopter while the plt was patrolling at low alt. Several reported seeing the acft maneuver abruptly over obtacles. Also, several witnesses saw the helicopter at the time of the accident. One said the helicopter wobbled or tilted from right to left & almost immediately exploded in the air. An investigation revealed that the separated main rotor blade pn A-016-1, a revision w blade, had failed from fatigue about 8 1/4 inches outboard of the spindle bolt centerline.
Aircraft
- Registration
- N9066P
- Reported as
- Robinson R22
- Category
- Helicopter
- Engine
- Lycoming O-320-A2C, 124 horsepower, reciprocating
- Damage
- Destroyed
- Fire
- On-Ground
- Flight
- Aerial observation · Part 91
- Operator
- Muth Aircraft Company
- Departed
- IPT1 · Williamsport, PA
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 22
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Unknown, Valid Medical--no waivers/lim.
- Flight hours
- 1,072 total · 100 in this make and model · 5 in the last 90 days · 83 in the last 30 days · 131 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 300° at 14 knots
- Visibility
- 25 statute miles
- Lowest ceiling
- None
- Temperature
- 73 °F, dew point 50 °F
- Altimeter
- 29.00 inHg
- Observed at
- IPT
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.