SEA85FA113

NTSB accident investigation · Cessna 177RG · Murphy, ID · May 14, 1985

Accident · FatalField investigationFinal report
Date
May 14, 1985, 06:36 local (12:36 UTC)
Place
Murphy, ID
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N1815QCessna 177RG
Weather
Instrument (IMC) · Dawn
Status
Completed
Report
Approved by Office Director
FAA report
19850514017899A
Case key
40043

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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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.

In flight encounter with weatherCruise
Preflight planning/preparation - inadequatePilot in commandFactor
Preflight briefing service - disregardedPilot in commandFactor
Flight into known adverse weather - initiatedPilot in commandFactor
Self-induced pressurePilot in commandFactor
Weather condition - turbulence(thunderstorms)Factor
Weather condition - unfavorable windFactor
Weather condition - obscurationFactor
Weather condition - rainFactor
Loss of control - in flightManeuvering - turn to reverse direction
Vfr flight into imc - continuedPilot in commandFactor
Aircraft handling - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

Plt received a preflight wx brief indicating a recent frontal passage in the area with strong winds and trubulence associated with thundershowers along the initial route of flight until clear of the owyhee mountains. No flt plan was filed. Radar tracked the acft target south into the mountains where it disappeared. Analysis of radar data shows the target circling before disappearing. Witnesses at boise, Idaho airport stated owyhee mountains, normally visible from the arpt, were obscured by clouds at the time of occurrence. Relatives indicated a business meeting was scheduled for that morning at destination. Investigation showed acft impacted terrain in descending left turn at a high rate of speed.

Aircraft

Registration
N1815Q
Reported as
Cessna 177RG
Category
Airplane
Serial number
177RG0215
Airframe hours
2,038
Engine
Lycoming IO-360-A1B6, 200 horsepower, reciprocating
Damage
Destroyed
Flight
Business · Part 91
Registered owner
R.L. Stimpson
Airworthiness certificate
Standard, Normal
Last inspection
Annual · August 1, 1984 · 48 hours before
Departed
S67 · Nampa, ID
Destination
307 · Hollister, CA

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
44
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
1,220 total · 20 in the last 90 days · 4 in the last 30 days

Weather

Conditions
Instrument (IMC) · Dawn
Wind
310° at 8 knots
Visibility
5 statute miles
Lowest ceiling
4,000 ft overcast
Temperature
45 °F, dew point 39 °F
Altimeter
30.00 inHg
Observed at
BOI, 40 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.