CHI84LA349

NTSB accident investigation · Bellanca 17-31ATC · Antigo, WI · August 16, 1984

Accident · No injuriesLimited investigationFinal report
Date
August 16, 1984, 18:45 local (23:45 UTC)
Place
Antigo, WI
Injuries
1 uninjured
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N4001BBellanca 17-31ATC
Weather
Visual (VMC) · Dusk
Status
Completed
Report
Approved by Office Director
FAA report
19840816040869A
Case key
12741

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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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.

Loss of engine power(total) - mech failure/malfCruise - normal
Engine assembly,cylinder - separationCause
Maintenance,inspection - poorOther maintenance personnelCause
Engine assembly,connecting rod - failure,totalCause
Maintenance,major repair - improperOther maintenance personnelCause
Forced landingDescent - emergency
Fluid,oil - dumpedFactor
Window,flight compartment window/windshield - dirty(foggy)Factor
In flight collision with terrain/waterLanding - flare/touchdown

Analysis

The acft was forced to land after the engine failed. The plt heard an explosion and saw part of the cowling come off before the engine quit. His passenger said that oil covered the windshield. Post accident inspection showed a failed cylinder. The cylinder studs were devoid of nuts and the studs were not broken.

Aircraft

Registration
N4001B
Reported as
Bellanca 17-31ATC
Category
Airplane
Serial number
7431103
Airframe hours
1,905
Engine
Lycoming IO-540-K1E5, 300 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Operator
Lee V. Johnson
Registered owner
Lee V. Johnson
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 16, 1983 · 99 hours before
Departed
TVC · Traverse City, MI
Destination
AXN · Alexandria, MN

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
44
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
2,400 total · 900 in this make and model · 2,400 as pilot in command · 50 in the last 90 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Wind
160° at 6 knots
Visibility
10 statute miles
Lowest ceiling
25,000 ft broken
Temperature
81 °F, dew point 66 °F
Altimeter
30.00 inHg
Observed at
AUW, 20 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.