SEA89FA180

NTSB accident investigation · Cessna 177RG · Nyssa, OR · September 29, 1989

Accident · FatalField investigationFinal report
Date
September 29, 1989
Place
Nyssa, OR
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N8055GCessna 177RG
Weather
Visual (VMC) · Day
Status
Completed · report July 23, 1991
Report
Approved by Office Director
FAA report
19890929037189A
Case key
40937

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 pilot to attain sufficient altitude before flying over mountainous/hilly terrain. Factors related to the accident were: dark night, rising/mountainous terrain, and probable impairment from a prescription drug.

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 collision with terrain/waterCruise
Light condition - dark nightFactor
Terrain condition - mountainous/hillyFactor
Terrain condition - risingFactor
Proper altitude - not attainedPilot in commandCause
Impairment(drugs)Pilot in commandFactor

Analysis

The acft depd nampa arpt at about 1630 LCL time. There was evidence the plt had landed at an unattended strip near owyhee reservoir & that the occupants had deplaned for a time. Early the next morning at 0118 hrs, an ELT signal was detected in the area. A search was initiated after daybreak & the acft was fnd where it had impacted about 100 ft below the top of a ridge, aprx 1 mi west of the strip. Elevation of the strip was 2680 ft. elevation of the crash site was about 3350 ft. the acft was extensively damaged when it collided with about 20 deg rising terrain. The plt's urine tested positive for benzodiazepines. Tests showed his blood contained 0.09 mg/l diazepam & 0.11 mg/l nordiazepam. Therapeutic ranges of these substances were rprtd to be 0.02 to 2.0 mg/l for diazepam & 0.02 to 1.8 mg/l for nordiazepam.

Aircraft

Registration
N8055G
Reported as
Cessna 177RG
Category
Airplane
Serial number
177RG0055
Airframe hours
2,080
Engine
Lycoming IO-360-A1B6, 200 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Richard E. Brush
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · July 5, 1989 · 5 hours before
Departed
S67 · Nampa, ID

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
60
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Toxicology
Performed
Flight hours
1,513 total · 18 in this make and model · 2 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Lowest ceiling
None

FAA reports on this event · 1

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