DEN89LA122

NTSB accident investigation · Cessna 175 · Sheridan, WY · May 21, 1989

Accident · No injuriesLimited investigationFinal report
Date
May 21, 1989, 15:00 local (21:00 UTC)
Place
Sheridan, WY
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N7557MCessna 175
Weather
Visual (VMC) · Day
Status
Completed · report June 18, 1990
Report
Approved by Office Director
FAA report
19890521012559A
Case key
17711

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

Binding (stuck) #4 exhaust valve. High vegetation (hay) and a hidden obstruction (ditch) were contributing factors.

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(partial) - mech failure/malfTakeoff - initial climb
Engine assembly,valve,exhaust - binding(mechanical)Cause
Weather condition - high density altitudeFactor
Climb - not possible
Forced landingDescent - emergency
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - high vegetationFactor
Terrain condition - hidden obstruction(s)Factor
Terrain condition - ditchFactor
Nose gear collapsedLanding - roll
Landing gear,nose gear - overload

Analysis

The plt rprtd that after takeoff, the eng was not developing sufficient power to climb or return to the airport. Subsequently, he flew down a canyon & landed in a hay field. Drg the landing roll, the acft hit an unseen ditch & the nose gear collapsed. An exam of the eng revealed that the #4 exhaust valve was sticking. Elevation of the arpt was 4012 ft.

Aircraft

Registration
N7557M
Reported as
Cessna 175
Category
Airplane
Serial number
55857
Airframe hours
2,636
Engine
Continental GO-300-A, 175 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Clayton C. Cole
Registered owner
Clayton C. Cole
Airworthiness certificate
Standard, Normal
Last inspection
Annual · January 15, 1989 · 20 hours before
Departed
SHR
Destination
43V · Brule, NE
Airport
SHR · Sheridan

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
54
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
1,900 total · 7 in this make and model · 15 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
310° at 5 knots
Visibility
25 statute miles
Lowest ceiling
None
Temperature
70 °F
Altimeter
29.00 inHg

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 N7557M · 1

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