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
August 11, 1990 · Cessna 177 · N29471
Greenville, MS
Overview
Report Status
Probable Cause
Event Type
Accident
Date
August 11, 1990
Injury Outcomes
4 injuries (4 minor injuries)
Location
Greenville, MS
Aircraft
Cessna 177
Tail Number
N29471
Operator
Lee M Owens
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
MIA90LA169
THE FUEL TANKS WERE FULLY SVCD SVRD DAYS BEFORE THE FLT. DRG A PREFLT INSPN, THE FUEL TANKS & GASCOLATOR WERE CHECKED & NO WATER OR CONTAMINATION WAS FOUND. THE PLT RPRTD THAT DURING TAKOEFF, THE ENG POWER DROPPED FROM 2600 TO 2100 RPM AFTER THE ACFT HAD CLIMBED ABOUT 500 FT. THE ACFT BEGAN DSCNDG, THEN COLLIDED WITH TREES & CRASHED ABT 3/4 MI FROM THE DEP END OF THE RWY. NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE ACFT OR ENG WAS FOUND.
NTSB Probable Cause
THE PARTIAL LOSS OF ENGINE POWER FOR AN UNKNOWN REASON.
Full Narrative
THE FUEL TANKS WERE FULLY SVCD SVRD DAYS BEFORE THE FLT. DRG A PREFLT INSPN, THE FUEL TANKS & GASCOLATOR WERE CHECKED & NO WATER OR CONTAMINATION WAS FOUND. THE PLT RPRTD THAT DURING TAKOEFF, THE ENG POWER DROPPED FROM 2600 TO 2100 RPM AFTER THE ACFT HAD CLIMBED ABOUT 500 FT. THE ACFT BEGAN DSCNDG, THEN COLLIDED WITH TREES & CRASHED ABT 3/4 MI FROM THE DEP END OF THE RWY. NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE ACFT OR ENG WAS FOUND.
Flight
Event TypeAccident
Event Time11:01 CDT
Nearest AirportGreenville Muni (0nm N)
Runway18R
Runway Length7019 ft
Runway Width150 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 177
Tail NumberN29471
Aircraft CategoryAir
DamageSubstantial
OperatorLee M Owens
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-360-A1A · Reciprocating · 180
Seats4
People & Injuries
Injury Summary4 injuries (4 minor injuries)
Fatal0
Serious0
Minor4
Uninjured0
Total4
Crew 1Age 40 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind160° @ 5 kt
Visibility5 sm
CeilingNone
Temperature / Dew Point0 C / 0 C
Altimeter30.00 inHg
Observation Time16:01
Weather SourceWFAC