- Date
- July 30, 2010, 19:00 local (Jul 31, 2010, 01:00 UTC)
- Place
- Caldwell, ID
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N97RPPorter James Grant Superior CUB
- Defining event
- Landing-flare/touchdown: Loss of control on ground
- Weather
- Visual (VMC) · Day
- Status
- Completed · report December 20, 2010
- Report
- Approved by Office Director
- NTSB office
- Western Pacific Region
- Parties
- Federal Aviation Administration
- FAA report
- 20100730039009A
- Case key
- 76816
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 landing.
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 as the tailwheel-equipped airplane touched down it began to veer to the left. The pilot added full right rudder and tapped the right brake; however, the airplane ground-looped and exited the runway into the dirt. The right wing struck the ground and was substantially damaged. The pilot reported no mechanical failures or malfunctions with the airframe or engine prior to the accident.
Factual narrative
The pilot reported that as the tail wheel-equipped airplane touched down it began to veer to the left. The pilot added full right rudder and tapped the right brake; however, the airplane ground looped and exited the runway into the dirt. The right wing struck the ground and was substantially damaged. The pilot reported no mechanical failures or malfunctions with the airframe or engine prior to the accident. In a written statement, the pilot reported that the accident could have been prevented by receiving additional instruction with a certificated flight instructor in the airplane make and model.
Aircraft
- Registration
- N97RP
- Reported as
- Porter James Grant Superior CUB
- Category
- Airplane, amateur-built
- Serial number
- PR-18-1
- Engine
- Lycoming O&VO-360 Seri, 180 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Jeremy R. Milless
- Registered owner
- Jeremy R. Milless
- Airworthiness certificate
- Special, Experimental (Special)
- Departed
- KEUL · Caldwell, ID
- Destination
- KEUL · Caldwell, ID
- Flight plan
- VFR
- Airport
- KEUL · Caldwell Industrial Airport, runway 12, 5,500 × 100 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
- 33
- Injuries
- None
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Without waivers/limitations
- Last flight review
- September 9, 2009
- Seat
- Front
- Flight hours
- 199 total · 7 in this make and model · 135 as pilot in command · 7 in the last 90 days · 7 in the last 30 days · 4 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 340° at 7 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- None
- Temperature
- 99 °F, dew point 45 °F
- Altimeter
- 29.79 inHg
- Observed at
- KBOI, 21 nm away
Docket · 1
The files NTSB released with the investigation on August 16, 2010, on NTSB’s docket system: statements, records, photos and specialists’ reports. 470 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.
Other investigations on N97RP · 1
Matched to the same aircraft by N-number and date.