- Date
- June 4, 1986, 16:15 local (21:15 UTC)
- Place
- Portal, ND
- Injuries
- 1 minor
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N59495Bell 206B
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19860604021419A
- Case key
- 16972
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 plt reported that the acft hit wires at the end of a swath run. The pitch change link broke when the main rotor contacted the wires and the plt attempted to land. After touchdown, the helicopter rolled onto its side.
Aircraft
- Registration
- N59495
- Reported as
- Bell 206B
- Category
- Helicopter
- Serial number
- 1373
- Airframe hours
- 2,000
- Engine
- Allison 250-C20B, 400 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Registered owner
- Knutson Flying Service, Inc.
- Airworthiness certificate
- Standard, Utility
- Last inspection
- Annual · April 8, 1986 · 19 hours before
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
- 64
- Certificate
- Commercial
- Airplane ratings
- Multi-engine land, Single-engine sea, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Right
- Flight hours
- 41,000 total · 2,000 in this make and model · 40,670 as pilot in command · 75 in the last 90 days · 14 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- Calm
- Visibility
- 25 statute miles
- Lowest ceiling
- None
- Temperature
- 81 °F
- Altimeter
- 29.00 inHg
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 N59495 · 1
Matched to the same aircraft by N-number and date.