CHI00LA213

NTSB accident investigation · Cessna 120 · Shawano, WI · July 21, 2000

Accident · No injuriesLimited investigationFinal report
Date
July 21, 2000, 14:12 local (19:12 UTC)
Place
Shawano, WI
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N2961NCessna 120
Weather
Visual (VMC) · Day
Status
Completed · report April 25, 2001
Report
Approved by Office Director
FAA report
20000721036719A
Case key
51069

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

Inadequate preflight planning and the pilot's delay in aborting the takeoff. A factor was the road embankment.

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/waterTakeoff - aborted
Terrain condition - roadway/highwayFactor
Aborted takeoff - delayedPilot in commandCause
Preflight planning/preparation - inadequatePilot in commandCause

Analysis

The airplane received substantial damage from ground impact with terrain during an aborted takeoff from an alfalfa field that was about 1,700 feet in length. The field had recently been harvested and the stubble was about 6 to 8 inches in height. The field had a slight incline in the direction of takeoff. The pilot reported the engine failed to produce adequate horsepower to depart the field. He reported the airplane settled back to the ground and went across a road embankment that damaged the fixed landing gear. An inspection of the airplane revealed the fuel tanks were full. The engine compression, sparks plugs, and pitot were checked and no anomalies were noted. The propeller blades were bent forward.

Factual narrative

On July 21, 2000, at 1510 central daylight time, a Cessna 120, N2961N, was substantially damaged during an on ground collision with terrain following an aborted takeoff from a private airstrip near Clintonville, Wisconsin. The personal flight was being operated under the provisions of 14 CFR Part 91, and was not operating on a flight plan. Visual meteorological conditions prevailed at the time of the accident. The pilot and his passenger reported no injuries. The local flight was originating at the time of the accident.

The pilot reported the engine failed to produce adequate horsepower to depart a grass field that was about 1,700 feet long. He reported the airplane settled back to the ground and went across a road embankment that damaged the fixed landing gear.

A FAA airworthiness inspector reported in a phone conversation that the field was an alfalfa field that had recently been harvested and the stubble was about 6 to 8 inches in height. He reported that the field had a slight incline in the direction of takeoff. The inspection of the airplane revealed the fuel tanks were full. The engine compression, sparks plugs, and pitot were checked and no anomalies were noted. He reported the propeller blades were bent forward.

Aircraft

Registration
N2961N
Reported as
Cessna 120
Category
Airplane
Serial number
13219
Airframe hours
1,380
Engine
Continental C-85-12F, 85 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Ronald G Boyte
Registered owner
Jeffrey Lange
Airworthiness certificate
Standard, Normal
Last inspection
Annual · July 10, 1999 · 50 hours before
Departed
PVT

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
51
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
244 total · 35 in this make and model · 178 as pilot in command · 21 in the last 90 days · 10 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
20° at 3 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
66 °F, dew point 57 °F
Altimeter
29.00 inHg
Observed at
CLI, 15 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.