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

September 2, 1988 · Piper PA-24-260C · N9436P

Hamilton, MT

Overview

Report Status
Preliminary report
Event Type
Accident
Date
September 2, 1988
Injury Outcomes
1 injury (1 serious injury)
Location
Hamilton, MT
Aircraft
Piper PA-24-260C
Tail Number
N9436P
Injuries
Serious
Aircraft Damage
Substantial
NTSB Number
DEN88LA197

THE PRIVATE PLT WAS DESCENDING TO THE DESTINATION ARPT AT THE CONCLUSION OF A 3.5 HR X-COUNTRY FLIGHT. THE PLT SAID HE SELECTED THE RIGHT MAIN FUEL TANK AND FLEW UNTIL THE 'FUEL WAS LOW TO THE POINT OF EXHAUSTION.' DURING A RIGHT TURN, WITH THE GEAR EXTENDED, THE ENGINE LOST POWER. ALL SUBSEQUENT EFFORTS TO RESTORE POWER FAILED. THE PLT ATTEMPTED TO GLIDE TO THE AIRPORT, AND RETRACTED THE LANDING GEAR, BUT WAS FORCED TO LAND IN A FIELD SHORT OF THE RUNWAY. THE ACFT IMPACTED WHEELS UP, AND SKIDDED 60 YARDS PRIOR TO COMING TO REST. THE PLT FELT THAT THE ELECTRIC FUEL BOOST PUMP FAILED TO PROVIDE FUEL FAST ENOUGH AND CONTRIBUTED TO THE ACCIDENT. A POST ACCIDENT INSPECTION BY AN FAA INSPECTOR FAILED TO REVEAL ANY PRE-ACCIDENT FAILURE OR MALFUNCTION. NO FUEL WAS FOUND IN THE RIGHT MAIN TANK.

Full Narrative

THE PRIVATE PLT WAS DESCENDING TO THE DESTINATION ARPT AT THE CONCLUSION OF A 3.5 HR X-COUNTRY FLIGHT. THE PLT SAID HE SELECTED THE RIGHT MAIN FUEL TANK AND FLEW UNTIL THE 'FUEL WAS LOW TO THE POINT OF EXHAUSTION.' DURING A RIGHT TURN, WITH THE GEAR EXTENDED, THE ENGINE LOST POWER. ALL SUBSEQUENT EFFORTS TO RESTORE POWER FAILED. THE PLT ATTEMPTED TO GLIDE TO THE AIRPORT, AND RETRACTED THE LANDING GEAR, BUT WAS FORCED TO LAND IN A FIELD SHORT OF THE RUNWAY. THE ACFT IMPACTED WHEELS UP, AND SKIDDED 60 YARDS PRIOR TO COMING TO REST. THE PLT FELT THAT THE ELECTRIC FUEL BOOST PUMP FAILED TO PROVIDE FUEL FAST ENOUGH AND CONTRIBUTED TO THE ACCIDENT. A POST ACCIDENT INSPECTION BY AN FAA INSPECTOR FAILED TO REVEAL ANY PRE-ACCIDENT FAILURE OR MALFUNCTION. NO FUEL WAS FOUND IN THE RIGHT MAIN TANK.

Flight

Event TypeAccident
Event Time13:00 MDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftPiper PA-24-260C
Tail NumberN9436P
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · TIO-540-R1A5 · Reciprocating · 260
Seats4

People & Injuries

Injury Summary1 injury (1 serious injury)
Fatal0
Serious1
Minor0
Uninjured0
Total1
Crew 1Age 59 · Third Class

Conditions

ConditionsVMC
LightDaylight
WindCalm
Visibility30 sm
CeilingNone
Temperature / Dew Point0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data