- Date
- April 25, 1986, 07:30 local (15:30 UTC)
- Place
- Portland, OR
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N8536ZRobinson R22-A
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19860425014159A
- Case key
- 40393
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.
Loss of engine power
Reason for occurrence undeterminedCause
Forced landing
Hard landing
Weather condition - tailwindFactor
Compensation for wind conditions - not possibleCause
Object - wire,staticFactor
Proper descent rate - not possibleCause
Analysis
At aprx 500 ft AGL, while on a local traffic watch, a loss of pwr occurred. A 15 kt tail wind was present. Pwr lines had to be cleared and a hard landing resulted. An examination and test run of the eng failed to disclose any failure/ malfunction which would have resulted in the pwr loss.
Aircraft
- Registration
- N8536Z
- Reported as
- Robinson R22-A
- Category
- Helicopter
- Serial number
- 0439
- Airframe hours
- 1,090
- Engine
- Lycoming O-320-B2C, 124 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Part 91
- Registered owner
- T And T Equipment
- Airworthiness certificate
- Standard, Normal
- Last inspection
- 100 hour · April 10, 1986
- Departed
- HIO · Hillsboro, OR
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 33
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Front
- Flight hours
- 448 total · 107 in this make and model · 236 as pilot in command · 69 in the last 90 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 230° at 10 knots, gusting 15
- Visibility
- 7 statute miles
- Lowest ceiling
- 2,000 ft overcast
- Temperature
- 52 °F, dew point 52 °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.