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
May 16, 1991 · Cessna 177 · N2314Y
Greensboro, NC
Overview
Report Status
Probable Cause
Event Type
Accident
Date
May 16, 1991
Injury Outcomes
1 injury (1 minor injury)
Location
Greensboro, NC
Aircraft
Cessna 177
Tail Number
N2314Y
Operator
Augsburger Michael D
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
ATL91LA060
DURING ENGINE START, THE PILOT OBSERVED THE STARTER OPERATING, BUT NOT ENGAGING THE ENGINE. HE TURNED OFF THE MAGNETOS AND BATTERY AND EXITED THE AIRPLANE TO INVESTIGATE THE PROBLEM. HE DID NOT CHOCK OR SECURE THE AIRPLANE. HE TURNED THE PROPELLER SOME, THEN BEGAN TO WALK AWAY. THE ENGINE THEN 'ROARED TO LIFE.' THE AIRPLANE PROCEEDED ACROSS THE RAMP AND COLLIDED WITH A PARKED BEECH 77. AN INSPECTION OF THE AIRPLANE REVEALED THAT THE LEFT MAG WOULD NOT GROUND OUT WITH THE SWITCH, RESULTING IN A 'HOT MAG' CONDITION.
NTSB Probable Cause
A FAILURE OF THE LEFT MAGNETO GROUNDING LEAD RESULTING IN A 'HOT MAGNETO' CONDITION.
Full Narrative
DURING ENGINE START, THE PILOT OBSERVED THE STARTER OPERATING, BUT NOT ENGAGING THE ENGINE. HE TURNED OFF THE MAGNETOS AND BATTERY AND EXITED THE AIRPLANE TO INVESTIGATE THE PROBLEM. HE DID NOT CHOCK OR SECURE THE AIRPLANE. HE TURNED THE PROPELLER SOME, THEN BEGAN TO WALK AWAY. THE ENGINE THEN 'ROARED TO LIFE.' THE AIRPLANE PROCEEDED ACROSS THE RAMP AND COLLIDED WITH A PARKED BEECH 77. AN INSPECTION OF THE AIRPLANE REVEALED THAT THE LEFT MAG WOULD NOT GROUND OUT WITH THE SWITCH, RESULTING IN A 'HOT MAG' CONDITION.
Flight
Event TypeAccident
Event Time22:50 EDT
Nearest AirportPiedmont Triad Intl (0nm N)
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 177
Tail NumberN2314Y
Aircraft CategoryAir
DamageSubstantial
OperatorAugsburger Michael D
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-360-A2F · Reciprocating · 180
Seats4
People & Injuries
Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 38 · Second Class
Conditions
ConditionsVMC
LightDark Night
Wind310° @ 16 kt, gusting 26 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point0 C / 0 C
Altimeter0
Observation Time03:00
Weather SourceWFAC