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 13, 1983 · Cessna 402A · N4511Q
Kotlik, AK
Overview
Report Status
Preliminary report
Event Type
Accident
Date
December 13, 1983
Injury Outcomes
1 injury (1 minor injury), 7 uninjured
Location
Kotlik, AK
Aircraft
Cessna 402A
Tail Number
N4511Q
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
ANC84LA024
DURING ARRIVAL, THE PLT LANDED ON THE FROZEN RIVER, WHICH WAS BEING USED IN LIEU OF THE KOTLIK AIRSTRIP. THE LANDING AREA ON THE RIVER WAS APRX 5000 FT LONG. AFTER TOUCHDOWN DURING THE LANDING, SOME SMALL CHILDREN HAD RUN ONTO THE DEPARTURE END OF THE LANDING AREA. THE PLT ELECTED TO GO AROUND. HE STATED THAT WHEN HE APPLIED POWER, THE RIGHT ENG DID NOT DELIVER FULL POWER. SUBSEQUENTLY, THE ACFT VEERED TO THE RIGHT, WENT OFF THE FROZEN RIVER & CAME TO REST IN AN AREA OF DENSE WILLOWS.
Full Narrative
DURING ARRIVAL, THE PLT LANDED ON THE FROZEN RIVER, WHICH WAS BEING USED IN LIEU OF THE KOTLIK AIRSTRIP. THE LANDING AREA ON THE RIVER WAS APRX 5000 FT LONG. AFTER TOUCHDOWN DURING THE LANDING, SOME SMALL CHILDREN HAD RUN ONTO THE DEPARTURE END OF THE LANDING AREA. THE PLT ELECTED TO GO AROUND. HE STATED THAT WHEN HE APPLIED POWER, THE RIGHT ENG DID NOT DELIVER FULL POWER. SUBSEQUENTLY, THE ACFT VEERED TO THE RIGHT, WENT OFF THE FROZEN RIVER & CAME TO REST IN AN AREA OF DENSE WILLOWS.
Flight
Event TypeAccident
Event Time11:00 AKST
Nearest AirportKOTLIK (1nm NNW)
Runway0
Runway Length5000 ft
Flight Plan FiledCvfr
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 402A
Tail NumberN4511Q
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 135
Engines2
Engine TypeReciprocating
Engine DetailsContinental · TSIO-520-E · Reciprocating · 300
Seats10
People & Injuries
Injury Summary1 injury (1 minor injury), 7 uninjured
Fatal0
Serious0
Minor1
Uninjured7
Total8
Crew 1Age 36 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind100° @ 5 kt
Visibility20 sm
CeilingNone
Temperature / Dew Point3 C / 3 C
Altimeter30.00 inHg
Observation Time20:38
Weather SourceWFAC