- Date
- May 18, 2011, 12:03 local (20:03 UTC)
- Place
- Kenai, AK
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N9951NCessna 180J
- Defining event
- Landing-landing roll: Loss of control on ground
- Weather
- Visual (VMC) · Day
- Status
- Completed · report August 30, 2011
- Report
- Approved by Office Director
- NTSB office
- Alaska Regional Office
- Parties
- FAA
- FAA report
- 20110518008879A
- Case key
- 79153
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, resulting in a ground loop.
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
The pilot reported that during landing the airplane ground looped to the right, striking the left wing on the runway. The airplane sustained substantial damage to the left wing. The pilot reported no mechanical anomalies with the airplane that would have precluded normal operation.
Factual narrative
The private pilot reported that during landing the airplane ground-looped to the right, dragging the left wing on the ground. He said there were no preaccident mechanical anomalies with the airplane. The airplane sustained substantial damage to the left wing during the ground-loop.
Aircraft
- Registration
- N9951N
- Reported as
- Cessna 180J
- Category
- Airplane
- Serial number
- 18052606
- Airframe hours
- 2,030
- Engine
- Cont Motor O-470 SERIES, 230 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Ackerman Dennis W
- Registered owner
- Ackerman Dennis W
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · March 10, 2011
- Departed
- KMRI · Anchorage, AK
- Destination
- KENA · Kenai, AK
- Airport
- KENA · Kenai, runway 01L, 7,575 × 150 ft, asphalt
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
- 54
- Injuries
- None
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, With waivers/limitations
- Last flight review
- May 19, 2009
- Seat
- Left
- Flight hours
- 298 total · 223 in this make and model · 214 as pilot in command · 3 in the last 90 days · 1 in the last 30 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 90° at 10 knots
- Visibility
- 10 statute miles
- Temperature
- 54 °F
- Altimeter
- 29.82 inHg
- Observed at
- ENA
Docket · 1
The files NTSB released with the investigation on June 30, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 132 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.