- Date
- August 17, 2017, 12:00 local (20:00 UTC)
- Place
- Tyonek, AK
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N7678DPiper PA18
- Defining event
- Landing: Loss of control on ground
- Weather
- Visual (VMC) · Day
- Status
- Completed · report November 27, 2017
- Report
- Approved by Office Director
- NTSB office
- General Aviation Accidents
- Parties
- FAA
- FAA report
- 20170817013429A
- Case key
- 95861
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
The pilot’s use of excessive braking during the landing roll, which resulted in a nose-over.
Findings · 3
NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.
Sequence of events
The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.
Analysis
The pilot of the tailwheel-equipped airplane reported that, during an off-airport landing on wet, marsh vegetation, he used "excessive braking," and the airplane nosed over. The airplane sustained substantial damage to the left wing lift struts and rudder. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.
Factual narrative
The pilot of the tailwheel-equipped airplane reported that during an off airport landing on wet, marsh vegetation, he used "excessive braking" and the airplane nosed over. The airplane sustained substantial damage to the left wing lift struts and rudder. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.
Aircraft
- Registration
- N7678D
- Reported as
- Piper PA18 (A150)
- Category
- Airplane
- Serial number
- 18-5900
- Built
- 1957
- Airframe hours
- 6,761
- Engine
- Lycoming O-320-B2B, 160 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- Annual · June 12, 2017
- Departed
- LHD · Anchorage, AK
- Destination
- Tyonek, AK
- Equipment
- Handheld GPS
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
- 68
- Injuries
- None
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, With waivers/limitations
- Seat
- Front
- Flight hours
- 2,000 total · 500 in this make and model · 2,000 as pilot in command · 35 in the last 90 days · 10 in the last 30 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 230° at 8 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- 4,200 ft overcast
- Temperature
- 52 °F, dew point 46 °F
- Altimeter
- 29.60 inHg
- Observed at
- PAEN, 26 nm away
Docket · 2
The files NTSB released with the investigation on October 31, 2017, on NTSB’s docket system: statements, records, photos and specialists’ reports. 3.0 MB in all.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.