CHI07CA019

NTSB accident investigation · Aviat S2B · Larimore, ND · October 29, 2006

Accident · No injuriesData collectionFinal report
Date
October 29, 2006, 15:00 local (21:00 UTC)
Place
Larimore, ND
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N149TMAviat S2B
Weather
Visual (VMC) · Day
Status
Completed · report February 26, 2007
Report
Approved by Office Director
Parties
Fargo, ND FSDO
FAA report
20061029026549A
Case key
64968

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot's failure to maintain proper alignment with the runway which resulted in the airplane nosing over. A factor associated with the accident was the soft terrain encountered.

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.

On ground/water encounter with terrain/waterLanding - roll
Terrain condition - softFactor
Proper alignment - not maintainedPilot in commandCause
Nose overLanding - roll

Analysis

The airplane nosed over after contacting soft terrain while landing. The pilot stated that he was landing on his private grass airstrip when the accident happened. He stated that he misjudged the runway and the right main gear contacted "very soft" dirt on the south edge of the runway during the landing roll. The pilot reported the airplane was traveling between 5 and 10 miles per hour when it nosed over.

Factual narrative

The airplane nosed over after contacting soft terrain while landing. The pilot stated that he was landing on his private grass airstrip when the accident happened. He stated that he misjudged the runway and the right main gear contacted "very soft" dirt on the south edge of the runway during the landing roll. The pilot reported the airplane was traveling between 5 and 10 miles per hour when it nosed over. The vertical stabilizer, rudder, one propeller blade, and a wing rib were damaged during the landing.

Aircraft

Registration
N149TM
Reported as
Aviat S2B
Category
Airplane
Serial number
5165
Engine
Lycoming AEIO-540, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Roger A. Thompson
Airworthiness certificate
Standard, Aerobatic
Departed
PVT · Larimore, ND
Destination
Larimore, ND

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
50
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2
Flight hours
3,000 total · 80 in this make and model · 150 in the last 90 days · 30 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.