LAX91LA312

NTSB accident investigation · Cessna 172N · Mariposa, CA · July 14, 1991

Accident · No injuriesLimited investigationFinal report
Date
July 14, 1991, 13:18 local (20:18 UTC)
Place
Mariposa, CA
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N6521JCessna 172N
Weather
Visual (VMC) · Day
Status
Completed · report April 8, 1993
Report
Approved by Office Director
FAA report
19910714027269A
Case key
27290

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

The pilot misjudging his planned approach. A down-sloping runway surface was a factor in the accident.

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.

On ground/water encounter with terrain/waterLanding - roll
Terrain condition - downhillFactor
Planned approach - misjudgedPilot in commandCause

Analysis

Upon arriving at his destination arpt the pilot landed on a down sloping rwy. The acft ran off the departure end of the runway and collided with the terrain.

Aircraft

Registration
N6521J
Reported as
Cessna 172N
Category
Airplane
Serial number
17273883
Engine
Lycoming O-320-H2AD, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
West Valley Flying Club
Registered owner
Freifeld, Mitchell
Airworthiness certificate
Standard, Normal
Last inspection
Unknown · January 2, 2000
Departed
PAO · Palo Alto, CA
Airport
068 · Mariposa Yosemite, runway 8, 3,310 × 50 ft, asphalt

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
28
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
80 total · 6 in this make and model · 16 as pilot in command · 35 in the last 90 days · 9 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
10° at 9 knots
Visibility
40 statute miles
Lowest ceiling
None
Temperature
86 °F, dew point 46 °F
Altimeter
29.00 inHg

FAA reports on this event · 1

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

Other investigations on N6521J · 1

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