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
December 17, 1986 · Cessna 336 · N1SN
Vero Beach, FL
Overview
Report Status
Preliminary report
Event Type
Accident
Date
December 17, 1986
Injury Outcomes
No injuries (1 uninjured)
Location
Vero Beach, FL
Aircraft
Cessna 336
Tail Number
N1SN
Operator
Michael P Sweet
Injuries
None
Aircraft Damage
Substantial
NTSB Number
MIA87LA050
PLT STATED THE REAR ENGINE FAILED WHILE IN CRUISE FLIGHT AND WHILE MAKING AN EMERGENCY LANDING HE APPROACHED THE RUNWAY TOO FAST. THE AIRCRAFT TOUCHED DOWN APPROXIMATELY TWO THIRDS OF THE WAY DOWN THE RUNWAY AND WHEN IT COULD NOT BE STOPPED THE AIRCRAFT WAS VEERED TO THE LEFT WHERE IT NOSED OVER. POST CRASH INSPECTION OF THE REAR ENGINE BY THE FAA REVEALED NO EVIDENCE OF MECHANICAL FAILURE OR MALFUNCTION. THE REAR ENGINE PROPELLER WAS NOT IN THE FEATHERED POSITION AT THE TIME OF INSPECTION BY THE FAA.
Full Narrative
PLT STATED THE REAR ENGINE FAILED WHILE IN CRUISE FLIGHT AND WHILE MAKING AN EMERGENCY LANDING HE APPROACHED THE RUNWAY TOO FAST. THE AIRCRAFT TOUCHED DOWN APPROXIMATELY TWO THIRDS OF THE WAY DOWN THE RUNWAY AND WHEN IT COULD NOT BE STOPPED THE AIRCRAFT WAS VEERED TO THE LEFT WHERE IT NOSED OVER. POST CRASH INSPECTION OF THE REAR ENGINE BY THE FAA REVEALED NO EVIDENCE OF MECHANICAL FAILURE OR MALFUNCTION. THE REAR ENGINE PROPELLER WAS NOT IN THE FEATHERED POSITION AT THE TIME OF INSPECTION BY THE FAA.
Flight
Event TypeAccident
Event Time19:53 EST
Nearest AirportVero Beach Municipal (0nm N)
Runway22
Runway Length4975 ft
Runway Width100 ft
Flight Plan FiledVFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 336
Tail NumberN1SN
Aircraft CategoryAir
DamageSubstantial
OperatorMichael P Sweet
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · IO-360-A · Reciprocating · 210
Seats2
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 43 · Third Class
Conditions
ConditionsVMC
LightBright Night
Wind340° @ 7 kt
Visibility8 sm
CeilingNone
Temperature / Dew Point66 F / 63 F
Altimeter30.00 inHg
Observation Time00:50
Weather SourceWFAC