CHI91LA196

NTSB accident investigation · Cessna 172RG · Hawley, MN · June 19, 1991

Accident · No injuriesLimited investigationFinal report
Date
June 18, 1991, 21:25 local (Jun 19, 1991, 02:25 UTC)
Place
Hawley, MN
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N9431DCessna 172RG
Weather
Visual (VMC) · Dusk
Status
Completed · report March 31, 1993
Report
Approved by Office Director
FAA report
19910618022469A
Case key
15102

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

Inattentiveness of both the flight instructor and the student pilot, and failure to use carburetor heat. A factor related to the accident is the unsuitable terrain encountered during the forced landing.

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 powerDescent - normal
Weather condition - carburetor icing conditions
Carburetor heat - not usedDual studentCause
InattentivePilot in command(cfi)Cause
InattentiveDual studentCause
Forced landingDescent - emergency
Nose gear collapsedLanding - roll
Terrain condition - ditch
Unsuitable terrain or takeoff/landing/taxi area - encounteredPilot in command(cfi)Factor

Analysis

The private rated student pilot and certified flight instructor were on a VFR cross country flight. Twenty miles from the intended destination, student pilot started descent from cruising altitude of 6,500 feet. Approximately four minutes later the engine lost power. A forced landing was made in a field. During landing roll the aircraft hit a ditch separating the field the pilot landed in and the field adjacent to it. After removal from the field, the engine was started, and ran without any problems. Conditions were favorable for carburetor icing, temperature 72 degrees f, dew point 53 degrees f.

Aircraft

Registration
N9431D
Reported as
Cessna 172RG
Category
Airplane
Serial number
172RG1159
Engine
Lycoming O-360-F1A6, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Crystal Shampock, Inc.
Airworthiness certificate
Standard, Normal
Departed
MIC · Minneapolis, MN
Destination
FAR · Fargo, ND

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
32
Certificates
Commercial, Flight instructor
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Flight hours
1,692 total · 82 in this make and model · 1,642 as pilot in command · 205 in the last 90 days · 65 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Wind
290° at 5 knots
Visibility
20 statute miles
Lowest ceiling
None
Temperature
72 °F, dew point 54 °F
Altimeter
30.00 inHg
Observed at
FAR, 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.

Other investigations on N9431D · 1

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