SEA82FA163

NTSB accident investigation · de Havilland DHC-II · Mahoney Creek, ID · September 14, 1982

Accident · FatalField investigationFinal report
Date
September 14, 1982, 12:00 local (18:00 UTC)
Place
Mahoney Creek, ID
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Approach
Aircraft
N5157Gde Havilland DHC-II
Weather
Visual (VMC) · Day
Status
Completed · report September 14, 1983
Report
Approved by Office Director
FAA report
19820914046539A
Case key
71545

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 control - in flightApproach - vfr pattern - base turn
Aircraft handling - uncontrolledPilot in commandCause
Incapacitation(other cardiovascular)Pilot in commandCause
In flight collision with terrain/waterApproach - vfr pattern - base turn

Analysis

The acft was observed flying over the strip in what appeared to be a normal downwind pattern. It crashed about 300 ft below windy ridge on the northwest face. The autopsy report indicated the plt had a "patchy healed myocardial infarct" prior to the accident. Microscopic examination supported occlusive coronary arteriosclerosis, left coronary artery. The plt had been under a stress program & taking medication for high blood pressure.

Aircraft

Registration
N5157G
Reported as
de Havilland DHC-II
Category
Airplane
Serial number
27
Airframe hours
876
Engine
P & W R-985-39A, 400 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Part 135
Operator
James F. Searles
Registered owner
James F. Searles
Departed
C · Challis, ID
Destination
C · Mahoney Creek, ID
Airport
43 · Mahoney Creek Usfs, runway 21, 2,050 × 40 ft, dirt

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
55
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Flight hours
6,000 total · 60 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 10 knots
Visibility
25 statute miles
Temperature
41 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.