DEN87FA110

NTSB accident investigation · Piper PA-23 · Craig, CO · April 21, 1987

Accident · Serious injuriesField investigationFinal report
Date
April 21, 1987, 16:35 local (22:35 UTC)
Place
Craig, CO
Injuries
2 serious
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N3231PPiper PA-23
Weather
Visual (VMC) · Day
Status
Completed · report November 8, 1988
Report
Approved by Office Director
FAA report
19870421076649A
Case key
17106

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

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 - wornCause
Preflight planning/preparation - inadequatePilot in commandCause
Ignition system,spark plug - failure,totalCause
Ignition system,spark plug - failure,partialCause
Maintenance,overhaul - not performedPilot in commandFactor
Maintenance,recordkeeping - poorPilot in commandFactor
Weather condition - high density altitudeCause
In flight collision with objectTakeoff - initial climb
Object - tree(s)Factor
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - high vegetation
Terrain condition - ditch

Analysis

The plt and his wife were on a cross country flt to visit relatives in north carolina. Several witnesses observed the aircraft depart Craig-moffet airport with the engine(s) running rough and using almost the entire runway to get airborne. Once airborne the aircraft failed to gain attitude, struck some trees, and crashed into an irrigation ditch. Post accident inspection revealed a worn engine with deficient spark plugs.

Aircraft

Registration
N3231P
Reported as
Piper PA-23
Category
Airplane
Serial number
1174
Airframe hours
3,926
Engine
Lycoming O-320-A3B, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Richad W. Gawer
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · May 8, 1986 · 98 hours before
Destination
RDU · Raleigh Durham, NC

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
47
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Invalid Medical for flight
Seat
Left
Flight hours
108 total

Weather

Conditions
Visual (VMC) · Day
Wind
308° at 5 knots
Visibility
40 statute miles
Lowest ceiling
None
Temperature
52 °F
Observed at
CAG, 1 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.