LAX89LA146

NTSB accident investigation · Beech A36 · Sacramento, CA · May 9, 1989

Accident · No injuriesLimited investigationFinal report
Date
May 9, 1989, 10:00 local (17:00 UTC)
Place
Sacramento, CA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N7238ABeech A36
Weather
Visual (VMC) · Day
Status
Completed · report June 28, 1991
Report
Approved by Office Director
FAA report
19890509011179A
Case key
26367

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

Failure of the number four piston assembly. A factor related to the accident was: the soft/uneven terrain in the emergency landing area.

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/malfClimb - to cruise
Engine assembly,piston - failure,totalCause
Forced landingDescent - emergency
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - softFactor
Terrain condition - rough/unevenFactor

Analysis

During a climb to alt, the eng suddenly made a loud grinding sound & began to vibrate. The plt made a forced landing in a cultivated field. While landing, the acft encountered furrows in the terrain & the gear collapsed. An inspn of the eng revealed the #4 piston had failed.

Aircraft

Registration
N7238A
Reported as
Beech A36
Category
Airplane
Serial number
E-2254
Airframe hours
738
Engine
Continental IO-550-B, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Woodland Aviation
Registered owner
Fta Ltd
Airworthiness certificate
Standard, Utility
Last inspection
Annual · March 30, 1989 · 35 hours before
Departed
SAC · Sacramento, CA
Destination
085 · Redding, CA
Flight plan
IFR

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
35
Certificates
Commercial, Flight instructor
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
1,560 total · 40 in this make and model · 1,407 as pilot in command · 179 in the last 90 days · 60 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
190° at 12 knots, gusting 15
Visibility
7 statute miles
Lowest ceiling
1,400 ft overcast
Temperature
50 °F, dew point 61 °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.