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 7, 1988 · Sikorsky S-55C · N883

Coaling, AL

Overview

Report Status
Preliminary report
Event Type
Accident
Date
June 7, 1988
Injury Outcomes
1 injury (1 minor injury)
Location
Coaling, AL
Aircraft
Sikorsky S-55C
Tail Number
N883
Operator
Morris Roy L
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
ATL88LA190

THE HELO WAS APPROACHING A HELIPAD FOR LANDING AFTER THE LAST AERIAL APPLICATION FLIGHT OF THE DAY WHEN THERE WAS A POP AND TAIL ROTOR CONTROL WAS LOST. AFTER SEVERAL ROTATIONS ABOUT THE VERTICAL AXIS, THE PIC LANDED THE HELO HARD, COLLAPSING THE LANDING GEAR. THE PIC/OWNER SAID THE TAIL ROTOR PITCH CHANGE LINK BOLT AND NUT WERE ABSENT. THERE WAS NO OTHER DAMAGE TO THE TAIL ROTOR. THE PIC/OWNER SAID HE HAD CHANGED THE TAIL ROTOR HUB AND THE PITCH CHANGE LINKS DURING THE WINTER, ABOUT 50 FLIGHT HOURS PRIOR TO THE ACCIDENT.

Full Narrative

THE HELO WAS APPROACHING A HELIPAD FOR LANDING AFTER THE LAST AERIAL APPLICATION FLIGHT OF THE DAY WHEN THERE WAS A POP AND TAIL ROTOR CONTROL WAS LOST. AFTER SEVERAL ROTATIONS ABOUT THE VERTICAL AXIS, THE PIC LANDED THE HELO HARD, COLLAPSING THE LANDING GEAR. THE PIC/OWNER SAID THE TAIL ROTOR PITCH CHANGE LINK BOLT AND NUT WERE ABSENT. THERE WAS NO OTHER DAMAGE TO THE TAIL ROTOR. THE PIC/OWNER SAID HE HAD CHANGED THE TAIL ROTOR HUB AND THE PITCH CHANGE LINKS DURING THE WINTER, ABOUT 50 FLIGHT HOURS PRIOR TO THE ACCIDENT.

Flight

Event TypeAccident
Event Time19:45 CDT
Nearest AirportHelicopter Pad (0nm N)
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftSikorsky S-55C
Tail NumberN883
Aircraft CategoryHeli
DamageSubstantial
OperatorMorris Roy L
Operating RulePart 137
Engines1
Engine TypeReciprocating
Engine DetailsWright · R-1300-D · Reciprocating · 800
Seats2

People & Injuries

Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 58 · Second Class

Conditions

ConditionsVMC
LightDaylight
WindCalm
Visibility7 sm
CeilingBroken clouds 25000 ft
Temperature / Dew Point57
Altimeter29.00 inHg
Observation Time23:50
Weather SourceWFAC

Appendix: Source Data