CEN13CA545

NTSB accident investigation · Swedener Rans S-6ES · Mullen, NE · September 10, 2013

Accident · No injuriesData collectionFinal report
Date
September 10, 2013, 06:00 local (12:00 UTC)
Place
Mullen, NE
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N611WESwedener Rans S-6ES
Defining event
Landing-landing roll: Nose over/nose down
Weather
Visual (VMC) · Day
Status
Completed · report February 4, 2014
Report
Approved by Office Director
NTSB office
Central Region
Parties
Federal Aviation Administration
Case key
88034

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 gopher holes and soft terrain the airplane encountered, which resulted in the airplane nosing over.

Findings · 1

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.

Airport facilities/design: runway/landing area conditionEnvironmental issues › Operating environment · Contributed to outcomeSwedener Rodney E RANS S-6ES: 1 caseAll aircraft: 61 casesProbable cause

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 landed the airplane at a private airstrip where the airplane contacted gopher mounds and soft ground. The nose landing gear collapsed, the airplane nosed over, and it sustained substantial empennage damage. The pilot said that there were no airplane mechanical malfunctions.

Factual narrative

The pilot landed the airplane at a private airstrip where the airplane contacted gopher mounds and soft ground. The nose landing gear collapsed, the airplane nosed over, and it sustained substantial empennage damage. The pilot said that there were no airplane mechanical malfunctions.

Aircraft

Registration
N611WE
Reported as
Swedener Rans S-6ES
Category
Airplane, amateur-built
Serial number
08051684
Airframe hours
412
Engine
Rotax 912UL, 80 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Swendener
Registered owner
Swendener
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · May 18, 2013
Departed
BUB · Burwell, NE
Destination
PVT · Mullen, NE
Airport
PVT · Private Airstrip

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
63
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Sport pilot
Last flight review
August 19, 2013
Seat
Left
Restraint
3-point
Flight hours
471.5 total · 422 in this make and model · 427 as pilot in command · 47 in the last 90 days · 19 in the last 30 days · 3.5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
360° at 8 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
75 °F, dew point 61 °F
Altimeter
30.10 inHg
Observed at
KTIF, 22 nm away

Docket · 1

The files NTSB released with the investigation on December 20, 2013, on NTSB’s docket system: statements, records, photos and specialists’ reports. 617 KB in all.