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 15, 1986 · North American AT-6D · N9813C
Redcliff, CO
Overview
Report Status
Preliminary report
Event Type
Accident
Date
August 15, 1986
Injury Outcomes
2 injuries (2 fatalities)
Location
Redcliff, CO
Aircraft
North American AT-6D
Tail Number
N9813C
Operator
Charles E Lewis Jr
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
DEN86FA231
A HUSBAND & WIFE RPRTD THAT THE ACFT FLEW NEAR THEIR HOUSE AT A VERY LOW ALT, THEN CLIMBED IN THE DIRECTION OF THE SUN TO CLEAR OVER A BRIDGE. MOMENTS LATER, THE ACFT COLLIDED WITH POWER LINES THAT WERE SUSPENDED BETWEEN 2 TOWERS. THE TOWERS WERE LOCATED ATOP ROCK FORMATIONS NEAR THE BRIDGE & WERE 1027' APART. IMPACT WITH THE LINES OCCURRED NEAR WHERE THEY DROOPED TO THEIR LOWEST POINT ABOUT 250' AGL. AFTER HITTING THE POWER LINES, THE ACFT CONTD TO FLY, BUT THE PLT WAS UNABLE TO MAINTAIN ALT. THE ACFT SUBSEQUENTLY CRASHED INTO TREES ON MOUNTAINOUS TERRAIN.
Full Narrative
A HUSBAND & WIFE RPRTD THAT THE ACFT FLEW NEAR THEIR HOUSE AT A VERY LOW ALT, THEN CLIMBED IN THE DIRECTION OF THE SUN TO CLEAR OVER A BRIDGE. MOMENTS LATER, THE ACFT COLLIDED WITH POWER LINES THAT WERE SUSPENDED BETWEEN 2 TOWERS. THE TOWERS WERE LOCATED ATOP ROCK FORMATIONS NEAR THE BRIDGE & WERE 1027' APART. IMPACT WITH THE LINES OCCURRED NEAR WHERE THEY DROOPED TO THEIR LOWEST POINT ABOUT 250' AGL. AFTER HITTING THE POWER LINES, THE ACFT CONTD TO FLY, BUT THE PLT WAS UNABLE TO MAINTAIN ALT. THE ACFT SUBSEQUENTLY CRASHED INTO TREES ON MOUNTAINOUS TERRAIN.
Flight
Event TypeAccident
Event Time16:33 MDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireGrd
Aircraft ExplosionNo
Aircraft
AircraftNorth American AT-6D
Tail NumberN9813C
Aircraft CategoryAir
DamageDestroyed
OperatorCharles E Lewis Jr
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsP&W · R1340-AN-1 · Reciprocating · 600
Seats2
People & Injuries
Injury Summary2 injuries (2 fatalities)
Fatal2
Serious0
Minor0
Uninjured0
Total2
Crew 1Age 56 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind340° @ 10 kt
Visibility40 sm
CeilingNone
Temperature / Dew Point39 C
Altimeter30.00 inHg
Observation Time22:50
Weather SourceWFAC