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
Featured Report

Loading…

Loading featured report…

Loading…
Open 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…

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 manufacturers

Airports

More airports

Operators

More operators

About

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 2, 1991 · Maule M-4-220C · N40676

Beluga, AK

Overview

Report Status
Probable Cause
Event Type
Accident
Date
May 2, 1991
Injury Outcomes
No injuries (2 uninjured)
Location
Beluga, AK
Aircraft
Maule M-4-220C
Tail Number
N40676
Operator
James D Ferry
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC91LA054

THE PILOT STATED THAT HE HAD REDUCED ENGINE POWER TO IDLE AND MADE A LOW PASS OVER A SNOW COVERED STRIP. WHEN HE ADDED POWER TO RESUME THE FLIGHT, THE ENGINE FAILED. THERE WAS NO SUITABLE FORCED LANDING AREA AVAILABLE. THE PILOT DID NOT REMEMBER APPLYING CARBURETOR HEAT UNTIL AFTER THE ENGINE FAILED.

NTSB Probable Cause

THE ENGINE FAILURE DUE TO UNDETERMINED CAUSES. CONTRIBUTING TO THE ACCIDENT WAS THE UNSUITABILITY OF THE AVAILABLE LANDING AREA.

Full Narrative

THE PILOT STATED THAT HE HAD REDUCED ENGINE POWER TO IDLE AND MADE A LOW PASS OVER A SNOW COVERED STRIP. WHEN HE ADDED POWER TO RESUME THE FLIGHT, THE ENGINE FAILED. THERE WAS NO SUITABLE FORCED LANDING AREA AVAILABLE. THE PILOT DID NOT REMEMBER APPLYING CARBURETOR HEAT UNTIL AFTER THE ENGINE FAILED.

Flight

Event TypeAccident
Event Time16:45 AKDT
Nearest Airport0nm
Runway0
Flight Plan FiledVFR
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftMaule M-4-220C
Tail NumberN40676
Aircraft CategoryAir
DamageSubstantial
OperatorJames D Ferry
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsFranklin · 6A350-C1 · Reciprocating · 220
Seats4

People & Injuries

Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 48 · Third Class

Conditions

ConditionsVMC
LightDaylight
Wind180° @ 10 kt
Visibility30 sm
CeilingNone
Temperature / Dew Point39 C / 0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data