CHI03LA309

NTSB accident investigation · Strother KR2 · Clarinda, IA · September 11, 2003

Accident · Minor injuriesLimited investigationFinal report
Date
September 11, 2003, 15:53 local (20:53 UTC)
Place
Clarinda, IA
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N60MSStrother KR2
Weather
Visual (VMC) · Day
Status
Completed · report March 2, 2004
Report
Approved by Office Director
Parties
FAA -- Des Moines FSDO
FAA report
20030911026089A
Case key
57993

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

Failure of the pilot to maintain clearance from the roadway sign. The loose gravel and the sign were contributing factors.

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.

In flight collision with objectTakeoff - initial climb
Altitude/clearance - not maintainedPilot in commandCause
Object - signFactor
Terrain condition - loose gravel/sandyFactor
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

The amateur-built airplane was substantially damaged when it hit a roadway sign and subsequently impacted the terrain immediately after takeoff from a gravel road. The pilot had reportedly made a precautionary landing due to deteriorating weather. Approximately 3 hours after the precautionary landing, the weather cleared and the pilot felt that he would be able to takeoff safely. During the takeoff roll, the aircraft began "hopping" on the gravel, according to the pilot. He reportedly transitioned to a soft field takeoff procedure, but the aircraft started "sliding on the gravel." The pilot noted that he rotated prematurely and due to the gradual downhill terrain, was soon out of ground effect. He stated: "I decided to climb out straight ahead and go under the power lines. I lowered the nose for speed and thought that I had cleared the stop sign." However, the left main landing gear caught the sign causing the aircraft to flip over and subsequently impact the terrain.

Factual narrative

On September 11, 2003, at 1553 central daylight time, an amateur-built Strother KR2, N60MS, piloted by an airline transport pilot, was substantially damaged when it hit a roadway sign and subsequently impacted the terrain immediately after takeoff from a gravel road near Clarinda, Iowa. The pilot had executed a precautionary landing due to weather and was attempting to reposition the aircraft to the Schenck Field Airport (ICL) located 6 miles to the southeast when the accident occurred. The personal flight was conducted under the provisions of 14 CFR Part 91 and was not on a flight plan. Visual meteorological conditions prevailed at the time. The pilot reported minor injuries.

The pilot's written statement noted that earlier in the day, the flight departed the Chillicothe Municipal Airport (CHT), Chillicothe, Missouri, with an intended destination of Red Oak Municipal Airport (RDK), Red Oak, Iowa. The pilot reported that as the flight passed ICL visibility was at 7 miles. However, he stated that when the flight was within 12 miles of RDK the weather began deteriorating rapidly. The pilot reported that he turned back toward ICL but was unable to maintain visual meteorological conditions. He elected to make a precautionary landing on a gravel road approximately 6 miles northwest of ICL.

Approximately 3 hours after the precautionary landing, the weather had cleared and the pilot felt that he would be able to takeoff safely. During the takeoff roll, the aircraft began "hopping" on the gravel, according to the pilot. He reportedly transitioned to a soft field takeoff procedure, but the aircraft started "sliding on the gravel." The pilot noted that he rotated prematurely and due to the gradual downhill terrain, was soon out of ground effect. He stated: "I decided to climb out straight ahead and go under the power lines. I lowered the nose for speed and thought that I had cleared the stop sign." However, the left main landing gear caught the sign causing the aircraft to flip over and subsequently impact terrain.

The pilot reported no failures or malfunctions with the aircraft prior to the accident.

Aircraft

Registration
N60MS
Reported as
Strother KR2
Category
Airplane, amateur-built
Serial number
001
Airframe hours
186
Engine
Hapi 602--D, 60 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · October 6, 2002 · 63 hours before
Departed
N/A · Clarinda, IA
Destination
ICL · Clarinda, IA

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
48
Injuries
Minor
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Last flight review
March 20, 2003
Seat
Left
Flight hours
19,169 total · 186 in this make and model · 18,368 as pilot in command · 270 in the last 90 days · 70 in the last 30 days · 9 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
190° at 7 knots
Visibility
10 statute miles
Lowest ceiling
1,600 ft overcast
Temperature
73 °F, dew point 72 °F
Altimeter
29.82 inHg
Observed at
ICL, 6 nm away

FAA reports on this event · 1

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