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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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NTSB Report

August 18, 1990 · Rockwell S2R · N3657X

Mendota, CA

Overview

Report Status
Probable Cause
Event Type
Accident
Date
August 18, 1990
Injury Outcomes
No injuries (1 uninjured)
Location
Mendota, CA
Aircraft
Rockwell S2R
Tail Number
N3657X
Injuries
None
Aircraft Damage
Substantial
NTSB Number
LAX90DVA09

THE PILOT REPORTED THAT THERE WAS A LOSS OF POWER DURING A SPRAY RUN. HE DUMPED HIS CHEMICAL LOAD. SUBSEQUENTLY, THE AIRCRAFT COLLIDED WITH CROPS AND A DITCH, THEN IT NOSED OVER. NO PRE-ACCIDENT PART FAILURE OR MALFUNCTION OF THE ENGINE WAS FOUND. THE COLLISION OCCURRED DURING DARKNESS AT 0400 PDT.

NTSB Probable Cause

LOSS OF ENGINE POWER FOR AN UNKNOWN REASON. DARKNESS WAS A RELATED FACTOR.

Full Narrative

THE PILOT REPORTED THAT THERE WAS A LOSS OF POWER DURING A SPRAY RUN. HE DUMPED HIS CHEMICAL LOAD. SUBSEQUENTLY, THE AIRCRAFT COLLIDED WITH CROPS AND A DITCH, THEN IT NOSED OVER. NO PRE-ACCIDENT PART FAILURE OR MALFUNCTION OF THE ENGINE WAS FOUND. THE COLLISION OCCURRED DURING DARKNESS AT 0400 PDT.

Flight

Event TypeAccident
Event Time04:00 PDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftRockwell S2R
Tail NumberN3657X
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 137
Engines1
Engine TypeReciprocating
Engine DetailsP&W · R-1340 · Reciprocating · 600
Seats1

People & Injuries

Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 28 · Second Class

Conditions

ConditionsVMC
LightDark Night
WindCalm
Visibility15 sm
CeilingNone
Temperature / Dew Point68 F / 0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data