SEA90FA065

NTSB accident investigation · Cessna 172M · Incline Village, NV · April 13, 1990

Accident · Serious injuriesField investigationFinal report
Date
April 13, 1990, 12:00 local (19:00 UTC)
Place
Incline Village, NV
Injuries
3 serious
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N9021HCessna 172M
Weather
Visual (VMC) · Day
Status
Completed · report September 30, 1991
Report
Approved by Office Director
Case key
41103

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

Improper in-flight planning/decision by the instructor pilot (CFI), and his failure to maintain adequate altitude and clearance from obstructions. Factors related to the accident were: mountainous terrain, high density altitude, and the trees (obstructions).

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 objectManeuvering
In-flight planning/decision - improperPilot in command(cfi)Cause
Terrain condition - mountainous/hillyFactor
Weather condition - high density altitudeFactor
Object - tree(s)Factor
Clearance - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

While on a student demo flt, the instructor plt was flying at low altitude over mountainous terrain. Subsequently, the acft struck a tree, then descended uncontrolled & impacted the ground. Elevation at the crash site was 8700 ft, density altitude was estimated to be 10,140 ft, & the acft was loaded near its maximum gross wt.

Aircraft

Registration
N9021H
Reported as
Cessna 172M
Category
Airplane
Serial number
17265904
Airframe hours
3,831
Engine
Lycoming O-320-E2D, 150 horsepower, reciprocating
Damage
Destroyed
Flight
Instructional · Part 91
Registered owner
Lisa A. Schilling
Airworthiness certificate
Standard, Utility; Standard, Normal
Last inspection
100 hour · March 25, 1990 · 34 hours before
Departed
RNO · Reno, NV

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
24
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
450 total · 230 in this make and model · 380 as pilot in command · 60 in the last 90 days · 25 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
230° at 4 knots
Visibility
40 statute miles
Lowest ceiling
None
Temperature
70 °F, dew point 36 °F
Altimeter
30.00 inHg
Observed at
RNO, 15 nm away

Other investigations on N9021H · 1

Matched to the same aircraft by N-number and date.