- Date
- July 1, 2017, 12:30 local (19:30 UTC)
- Place
- Mammoth Lakes, CA
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N1737PPiper PA 22-150
- Defining event
- Landing: Loss of control on ground
- Weather
- Visual (VMC) · Day
- Status
- Completed · report March 27, 2018
- Report
- Approved by Office Director
- NTSB office
- General Aviation Accidents
- Parties
- FAA
- FAA report
- 20170701008789A
- Case key
- 95476
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 failure to maintain directional control during the landing roll.
Findings · 2
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
During the landing roll, the tailwheel-equipped airplane veered off the runway to the left, the right main landing gear collapsed, and the right wing impacted the ground. The airplane sustained substantial damage to the fuselage. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. The pilot did not submit the National Transportation Safety Board Pilot/Operator Aircraft Accident/Incident Report Form 6120.1.
Factual narrative
During the landing roll, the tailwheel-equipped airplane veered off the runway to the left, the right main landing gear collapsed, and the right wing impacted the ground. The airplane sustained substantial damage to the fuselage. The pilot did not report that there were any preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. The pilot failed to submit the NTSB Pilot/ Operator Aircraft Accident/ Incident Report Form 6120.1.
Aircraft
- Registration
- N1737P
- Reported as
- Piper PA 22-150
- Category
- Airplane
- Serial number
- 22-2527
- Engine
- Lycoming O-320 SERIES, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Airworthiness certificate
- Standard, Normal
- Destination
- MMH · Mammoth Lakes, CA
- Flight plan
- Unknown
- Airport
- MMH · Mammoth Yosemite, runway 09, 7,000 × 100 ft, asphalt
- Equipment
- Unknown
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
- 44
- Injuries
- None
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 2, With waivers/limitations
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 110° at 9 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- None
- Temperature
- 82 °F, dew point 27 °F
- Altimeter
- 30.14 inHg
- Observed at
- KMMH, 1 nm away
Docket · 2
The files NTSB released with the investigation on February 27, 2018, on NTSB’s docket system: statements, records, photos and specialists’ reports. 646 KB 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.