SEA91LA201

NTSB accident investigation · Piper PA-18-150 · Yakima, WA · June 26, 1991

Accident · No injuriesLimited investigationFinal report
Date
June 26, 1991, 10:49 local (17:49 UTC)
Place
Yakima, WA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N7369DPiper PA-18-150
Weather
Visual (VMC) · Day
Status
Completed · report July 13, 1993
Report
Approved by Office Director
FAA report
19910626035879A
Case key
41507

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 NTSB’s determination of the probable cause, and any contributing factors.

The loss of control by the private pilot and failure of the instructor pilot to perform remedial action.

Analysis

The private pilot was receiving transition training in tail wheel equipped acft and lost directional control during landing gnd roll. The instr pilot did not take remedial action before the acft swerved off the rwy and gnd looped.

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 - on ground/waterLanding - roll
Directional control - not maintainedDual studentCause
Ground loop/swerve - inadvertentDual student
Remedial action - not performedPilot in command(cfi)Cause
On ground/water encounter with terrain/waterLanding - roll

Aircraft

Registration
N7369D
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-5734
Engine
Lycoming O-320, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
John P. Herke
Registered owner
John P. Herke
Airport
YKM · Yakima, runway 27, 7,603 × 150 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
45
Certificates
Flight instructor, Airline transport
Airplane ratings
Single-engine sea, Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Rear
Flight hours
6,500 total · 300 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
150° at 3 knots
Visibility
40 statute miles
Lowest ceiling
None
Temperature
70 °F, dew point 48 °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 N7369D · 1

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