Overall Trends
Total, fatal, and serious accidents in the selected range.
Premium research interface
The modern interface for aviation safety intelligence.
Search investigations, review source evidence, monitor watched reports, and trace long-term patterns from one calm, data-first workspace.
63k+
Reports indexed
1940-2026
Coverage
Recent
Last data refresh
Search everything
Fast key and full-text search with live filters, watches, and precise metadata.
Use quotes for exact phrase matches (for example "fuel selector valve").
Featured Report
Safety trends by operating rule
Track fatal and non-fatal accident patterns across Part 91, Part 135, and Part 121 operations.
Loading trend charts…
High-signal investigations
Major cases, deep-report coverage, and investigation media across decades of NTSB history.
Browse the aviation graph
Move quickly by aircraft, airport, operator, and time with indexes built for research, not wandering.
Last Data Update
By Decade
By Month
Aircraft Manufacturer
More manufacturersAirports
More airportsOperators
More operatorsAbout
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.
The goal is practical safety education: make it faster to find relevant investigations, compare similar events, review factual records, and understand the evidence behind probable-cause and preliminary reports.
The investigative work and source records belong to the National Transportation Safety Board and the published investigation record. This site is not affiliated with or endorsed by the NTSB.
FAQs
NTSB Report
October 8, 1991 · Cessna 337A-RG · N6396F
Snohomish, WA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
October 8, 1991
Injury Outcomes
No injuries (2 uninjured)
Location
Snohomish, WA
Aircraft
Cessna 337A-RG
Tail Number
N6396F
Operator
Dawson Richard D
Injuries
None
Aircraft Damage
Substantial
NTSB Number
SEA92LA003
NEITHER THE INSTRUCTOR PILOT NOR THE STUDENT IN THE CESSNA 337 REALIZED THAT THEY HAD NOT RECONFIGURED THE FUEL SYSTEM AFTER THE LAST SIMULATED ENGINE-OUT APPROACH. THEY THEREFORE WERE FEEDING BOTH ENGINES FROM ONE TANK. WHILE PRACTICING TAKEOFFS AND LANDINGS. JUST AFTER THE FINAL TAKEOFF THEY EXHAUSTED THE FUEL IN THE SELECTED TANK AND, ALTHOUGH THE SELECTOR WAS THEN REPOSITIONED, WERE UNABLE TO REGAIN POWER IN TIME TO AVOID THE FORCED LANDING. THE AIRCRAFT CAME TO REST IN A FIELD OF CORN ADJACENT TO THE AIRPORT.
NTSB Probable Cause
FUEL SYSTEM STARVATION, DUE TO THE PILOT'S IMPROPER FUEL TANK SELECTION. FACTORS INCLUDE PROCEDURES NOT BEING FOLLOWED, AND INATTENTIVENESS.
Full Narrative
NEITHER THE INSTRUCTOR PILOT NOR THE STUDENT IN THE CESSNA 337 REALIZED THAT THEY HAD NOT RECONFIGURED THE FUEL SYSTEM AFTER THE LAST SIMULATED ENGINE-OUT APPROACH. THEY THEREFORE WERE FEEDING BOTH ENGINES FROM ONE TANK. WHILE PRACTICING TAKEOFFS AND LANDINGS. JUST AFTER THE FINAL TAKEOFF THEY EXHAUSTED THE FUEL IN THE SELECTED TANK AND, ALTHOUGH THE SELECTOR WAS THEN REPOSITIONED, WERE UNABLE TO REGAIN POWER IN TIME TO AVOID THE FORCED LANDING. THE AIRCRAFT CAME TO REST IN A FIELD OF CORN ADJACENT TO THE AIRPORT.
Flight
Event TypeAccident
Event Time12:30 PDT
Nearest AirportHarvey Airfield (0nm N)
Runway14
Runway Length2600 ft
Runway Width30 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 337A-RG
Tail NumberN6396F
Aircraft CategoryAir
DamageSubstantial
OperatorDawson Richard D
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · IO-360-D · Reciprocating · 210
Seats4
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 61 · Second Class
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility75 sm
CeilingNone
Temperature / Dew Point70 F / 0 C
Altimeter30.00 inHg
Weather SourcePILO