ATL90LA068

NTSB accident investigation · Cessna 177A · Canon, GA · March 3, 1990

Accident · Minor injuriesLimited investigationFinal report
Date
March 3, 1990, 15:00 local (20:00 UTC)
Place
Canon, GA
Injuries
1 minor, 1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N30367Cessna 177A
Weather
Visual (VMC) · Day
Status
Completed · report September 5, 1991
Report
Approved by Office Director
FAA report
19900303003079A
Case key
8212

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

Improper use of carburetor heat by the pilot, which resulted in carburetor ice. Factors related to the accident were: carburetor icing conditions, and soft terrain.

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) - nonmechanicalDescent
Weather condition - carburetor icing conditionsFactor
Fuel system,carburetor - iceCause
Carburetor heat - improper use ofPilot in commandCause
Forced landingDescent - emergency
In flight collision with terrain/waterLanding - flare/touchdown
Terrain condition - softFactor

Analysis

After descending fm 2500 to 2000 ft, the plt realized the eng had lost pwr, when it did not respond to throttle movementfor level off. He moved the carburetor heat to the 'on' position, but was unable to restart the eng. Subsequently, he made an emergency landing in a plowed field & the landing gear collapsed on soft terrain. The carburetor was damaged during the occurrence. After it was replaced, the eng would operate. An exam of the damaged carburetor revealed only normal wear. The temp & dew point were 64 & 44 deg, respectively. According to carburetor icing charts, conditions were conducive to carburetor ice.

Aircraft

Registration
N30367
Reported as
Cessna 177A
Category
Airplane
Serial number
17701213
Airframe hours
2,219
Engine
Lycoming O-360-A2F, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Mark K Brown
Registered owner
Blue Ridge Mountain Flyers
Airworthiness certificate
Standard, Utility; Standard, Normal
Last inspection
100 hour · September 4, 1989 · 44 hours before
Departed
AHN · Athens, GA
Destination
18A · Canon, GA
Airport
18A

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
22
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
160 total · 71 in this make and model · 108 as pilot in command · 26 in the last 90 days · 8 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
80° at 3 knots
Visibility
25 statute miles
Lowest ceiling
4,100 ft broken
Temperature
64 °F, dew point 48 °F
Altimeter
29.00 inHg
Observed at
AHN, 26 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.

Other investigations on N30367 · 2

Matched to the same aircraft by N-number and date.