CEN10CA283

NTSB accident investigation · Cessna 182A · Franksville, WI · June 2, 2010

Accident · No injuriesData collectionFinal report
Date
June 1, 2010, 19:45 local (Jun 2, 2010, 00:45 UTC)
Place
Franksville, WI
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N4974DCessna 182A
Defining event
Takeoff: Flight instrument malf/fail
Weather
Visual (VMC) · Day
Status
Completed · report October 21, 2010
Report
Approved by Office Director
NTSB office
Central Region
Parties
Federal Aviation Administration - Milwaukee FSDO
FAA report
20100602038379A
Case key
76184

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 inadequate preflight inspection and delay in aborting the takeoff.

Findings · 4

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.

Inspection: preflight inspectionPersonnel issues › Task performance · PilotCessna 182A: 4 casesAll aircraft: 551 casesProbable cause
Performance/control parameters: airspeedAircraft › Aircraft oper/perf/capability · Incorrect use/operationCessna 182A: 7 casesAll aircraft: 1,681 casesProbable cause
Action: delayed actionPersonnel issues › Action/decision · PilotCessna 182A: 1 caseAll aircraft: 894 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 reported that the airspeed indicator was not displaying normal values as the airplane accelerated on the takeoff roll. After identifying the airspeed indicator anomaly, she continued the takeoff roll for an unspecified distance before ultimately deciding to abort the takeoff. The pilot noted that there was an accumulation of dew on the grass runway. During the rejected takeoff, the airplane overran the end of the runway and slid down an embankment before nosing-over in a ravine. Both wings were substantially damaged during the accident. A postaccident inspection revealed that the pilot had not removed the pitot-tube protective cover before departure.

Factual narrative

The pilot reported that the airspeed indicator was not displaying normal values as the airplane accelerated on the takeoff roll. After identifying the airspeed indicator anomaly, she continued the takeoff roll for an unspecified distance before ultimately deciding to abort the takeoff. The pilot noted that there was an accumulation of dew on the grass runway. During the rejected takeoff, the airplane overran the end of the runway and slid down an embankment before nosing-over in a ravine. Both wings were substantially damaged during the accident. A inspection revealed that the pilot had not removed the pitot-tube protective cover before departure.

Aircraft

Registration
N4974D
Reported as
Cessna 182A
Category
Airplane
Serial number
51074
Airframe hours
2,809
Engine
Teledyne Continental Motors O-470-L, 230 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · October 10, 2009
Departed
62C · Franksville, WI
Destination
62C · Franksville, WI
Airport
62C · Cindy Guntly Memorial Airport, runway 19, 2,425 × 70 ft, grass/turf

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
49
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
May 14, 2009
Seat
Left
Flight hours
520 total · 477 in this make and model · 380 as pilot in command · 2 in the last 90 days · 2 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 8 knots
Visibility
9 statute miles
Lowest ceiling
25,000 ft broken
Temperature
73 °F, dew point 61 °F
Altimeter
29.76 inHg
Observed at
KMKE, 12 nm away

Docket · 1

The files NTSB released with the investigation on August 12, 2010, on NTSB’s docket system: statements, records, photos and specialists’ reports. 747 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.