GAA19CA143

NTSB accident investigation · Cessna 421 · Woodruff, WI · February 10, 2019

Accident · No injuriesData collectionFinal report
Date
February 10, 2019, 14:00 local (20:00 UTC)
Place
Woodruff, WI
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N581CJCessna 421
Defining event
Takeoff: Loss of control on ground
Weather
Instrument (IMC) · Day
Status
Completed · report September 26, 2019
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
FAA
FAA report
20190210010089A
Case key
99008

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

On this page

Probable cause

The pilot's failure to maintain to directional control during takeoff from a snow-covered runway with a right, quartering tailwind, which resulted in a runway excursion and impact with a snowbank.

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.

Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedCessna 421B: 3 casesAll aircraft: 3,958 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotCessna 421B: 11 casesAll aircraft: 9,295 casesProbable cause
Wind: tailwindEnvironmental issues › Conditions/weather/phenomena · Effect on operationCessna 421B: 1 caseAll aircraft: 594 cases

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, during the takeoff roll on a plowed, snow-covered runway, he could "feel the [airplane] pulling to the right" and corrected with opposite rudder, but the airplane slowly exited the runway to the right and impacted a snowbank. The airplane sustained substantial damage to both propellers and the right engine mount. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The airport's automated weather observation station reported that, about 5 minutes before the accident, the wind was from 110° at 5 knots, 1 1/4 statute miles visibility, overcast at 900 ft, temperature 18°F, dew point 12°F, and light snow. The airplane departed from runway 36.

Factual narrative

The pilot reported that, during the takeoff roll on a plowed, snow-covered runway for an instrument flight, he could "feel the [airplane] pulling to the right" and corrected with opposite rudder but the airplane slowly exited the runway to the right and impacted a snowbank. The twin-engine airplane sustained substantial damage to both propellers and the right engine mount. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The automated weather observation station located on the airport reported that, about 5 minutes before the accident, the wind was from 110° at 5 knots, 1 1/4 statute mile visibility, overcast at 900 ft, temperature 18°F, dew point 12°F, and light snow. The airplane departed on runway 36.

Aircraft

Registration
N581CJ
Reported as
Cessna 421 (B)
Category
Airplane
Serial number
421B0343
Built
1972
Airframe hours
9,072.9
Engines
Continental GTSI0-520-F-K, 375 horsepower, reciprocatingContinental GTSI0-520-H5B, 375 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · February 6, 2018
Departed
ARV · Woodruff, WI
Destination
1H0 · St Louis, MO
Flight plan
IFR
Airport
ARV · Lakeland/Noble F Lee Memorial, runway 36, 5,150 × 100 ft, asphalt
Equipment
Onboard weather, Stall warning system, Auto-pilot, Electronic flight bag or handheld device, Electronic multifunction display, Handheld GPS

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
69
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 3, With waivers/limitations
Last flight review
February 6, 2019
Seat
Left
Restraint
3-point
Flight hours
13,881 total · 200 in this make and model · 13,000 as pilot in command · 124 in the last 90 days · 40 in the last 30 days

Weather

Conditions
Instrument (IMC) · Day
Wind
110° at 5 knots
Lowest ceiling
900 ft overcast
Temperature
18 °F, dew point 12 °F
Altimeter
30.27 inHg
Observed at
KARV

Docket · 3

The files NTSB released with the investigation on May 16, 2019, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.1 MB 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.