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

June 18, 1985 · Teratorn Tierra II · N4438V

Lake Charles, LA

Overview

Report Status
Preliminary report
Event Type
Accident
Date
June 18, 1985
Injury Outcomes
1 injury (1 fatality)
Location
Lake Charles, LA
Aircraft
Teratorn Tierra II
Tail Number
N4438V
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
FTW85FRD02

THE ACFT IMPACTED THE TERRAIN IN AN UNCONTROLLED DESCENT. WITNESSES STATED THE ACFT WAS PARTICIPATING IN A BEAN BAG DROP CONTEST WHEN THE ACCIDENT OCCURRED. AFTER DROPPING THE LAST BAG THE ACFT MADE A TURN TO THE WEST, ENTERED A SPIN AND DESCENDED TO GROUND IMPACT. THE PLT'S DAUGHTER REPORTED THE PLT HAD BEEN FEELING ILL AND WAS UNUSUALLY THIRSTY DURING THE 2 DAYS PRIOR TO THE ACCIDENT. THE CORONER REPORTED IN THE AUTOPSY, '... THE DECEASED WAS SUFFERING FROM SEVERE MYOCARDIAL ISCHEMIA OR AN EARLY MYOCARDIAL INFRACTION. THE SUBSEQUENT DEVELOPEMENT OF A MYOCARDIAL ARRYTHMIA OR CARDIAL ARREST INFRACTION COULD HAVE RESULTED IN A SUDDEN LOSS OF CONTROL OF THE AIRCRAFT WITH SUBSEQUENT CRASH.'

Full Narrative

THE ACFT IMPACTED THE TERRAIN IN AN UNCONTROLLED DESCENT. WITNESSES STATED THE ACFT WAS PARTICIPATING IN A BEAN BAG DROP CONTEST WHEN THE ACCIDENT OCCURRED. AFTER DROPPING THE LAST BAG THE ACFT MADE A TURN TO THE WEST, ENTERED A SPIN AND DESCENDED TO GROUND IMPACT. THE PLT'S DAUGHTER REPORTED THE PLT HAD BEEN FEELING ILL AND WAS UNUSUALLY THIRSTY DURING THE 2 DAYS PRIOR TO THE ACCIDENT. THE CORONER REPORTED IN THE AUTOPSY, '... THE DECEASED WAS SUFFERING FROM SEVERE MYOCARDIAL ISCHEMIA OR AN EARLY MYOCARDIAL INFRACTION. THE SUBSEQUENT DEVELOPEMENT OF A MYOCARDIAL ARRYTHMIA OR CARDIAL ARREST INFRACTION COULD HAVE RESULTED IN A SUDDEN LOSS OF CONTROL OF THE AIRCRAFT WITH SUBSEQUENT CRASH.'

Flight

Event TypeAccident
Event Time20:30 CDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftTeratorn Tierra II
Tail NumberN4438V
Aircraft CategoryAir
DamageDestroyed
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsRotax · 503 · Reciprocating · 50
Seats1

People & Injuries

Injury Summary1 injury (1 fatality)
Fatal1
Serious0
Minor0
Uninjured0
Total1
Crew 1Age 56 · Third Class

Conditions

ConditionsVMC
LightDaylight
Wind180° @ 7 kt
Visibility15 sm
CeilingNone
Altimeter29.00 inHg
Weather SourceWIT

Appendix: Source Data