WPR24LA165

NTSB accident investigation · Grumman Acft ENG Cor-Schweizer G-164A · Rome, OR · May 26, 2024

Accident · No injuriesClass 4 · LimitedFinal report
Date
May 26, 2024, 10:00 local (16:00 UTC)
Place
Rome, OR
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9853Grumman Acft ENG Cor-Schweizer G-164A
Defining event
Landing-landing roll: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Western Pacific Region
Parties
FAA
FAA report
20240526005779A
Case key
194376

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

The pilot’s failure to maintain airplane control during landing.

Findings · 3

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that while landing on a gravel road, the right main tire sank into soft terrain along the right side of the road. Subsequently, the airplane nosed over and came to rest inverted. During the accident sequence, the airplane sustained substantial damage to the upper wings and vertical stabilizer. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that precluded normal operation.

Aircraft

Registration
N9853
Reported as
Grumman Acft ENG Cor-Schweizer G-164A
Category
Airplane
Serial number
1291
Built
1974
Engine
Garrett AiResearch TPE-331, turbo prop
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
Oregon Trail Air Service LLC
Registered owner
Oregon Trail Air Service LLC
Airworthiness certificate
Special, Restricted (Special)
Equipment
Handheld GPS, Stall warning system

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
52
Injuries
None
Certificates
Flight instructor, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Waiver time limited special
Last flight review
March 26, 2023
Seat
Single
Restraint
3-point
Flight hours
14,372 total · 500 in this make and model · 14,000 as pilot in command · 100 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
70° at 7 knots
Lowest ceiling
None
Temperature
55 °F, dew point 30 °F
Altimeter
30.09 inHg
Observed at
KREO, 18 nm away
METAR
METAR KREO 261552Z AUTO 07007KT 13/M01 A3009 RMK AO1 SLP174 T01331011=

Docket · 2

The files NTSB released with the investigation on November 22, 2024, on NTSB’s docket system: statements, records, photos and specialists’ reports. 2.2 MB in all.

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 N9853 · 1

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