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 25, 2008 · Ayres S-2R · N4002R

Mcdonald, KS

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
May 25, 2008
Injury Outcomes
No injuries (1 uninjured)
Location
Mcdonald, KS
Aircraft
Ayres S-2R
Tail Number
N4002R
Operator
Frontier Ag
Injuries
None
Aircraft Damage
Substantial
NTSB Number
DFW08CA156

The pilot stated that he had attempted and aborted a takeoff from another runway. On the second takeoff attempt on a soft runway surface, the pilot stated that he decided to abort due to insufficient airspeed when the left brake faded out and the airplane gradually turned to the right and the wheels sank into soft mud and into a ditch. Substantial damage was sustained to the left wing spar which was bent approximately 20 degrees up. The main landing gear was also damaged. The pilot reported his takeoff weight at just 55 pounds less than the maximum allowable gross weight of 6,000 pounds and said one of the reasons for the accident was that he should have loaded a lighter load.

NTSB Probable Cause

The pilot's failure to maintain aircraft control during the takeoff. Contributing to the accident was the soft terrain.

Full Narrative

The commercial pilot stated on the Pilot Operator Report (NTSB 6120.1) that he had attempted and aborted a takeoff from another runway. On the second takeoff attempt the pilot stated that he decided to abort due to insufficient airspeed when the left brake faded out and the airplane gradually turned to the right and the wheels sank into soft mud and into a ditch. Substantial damage was sustained to the left wing spar which was bent approximately 20 degrees up. The main landing gear was also damaged. There was no post-crash fire and the pilot reported no injuries. The pilot reported his takeoff weight at just 55 pounds less that the maximum allowable gross weight of 6,000 pounds and said one of the reasons for the accident was that he should have loaded a lighter load.

Flight

Event TypeAccident
Event Time16:00 MDT
Nearest AirportBell Family Farm-Not Certified (0nm)
Runway13
Runway Length2600 ft
Runway Width100 ft
Flight Plan FiledUnknown
Flight Plan ActivatedUnknown
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftAyres S-2R
Tail NumberN4002R
Aircraft CategoryAir
DamageSubstantial
OperatorFrontier Ag
Operating RulePart 137
Engines1
Engine TypeReciprocating
Engine DetailsPratt & Whitney · R-1340-AN-1 · Reciprocating · 600
Seats1

People & Injuries

Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 65 · Second Class · None

Conditions

ConditionsVMC
LightDaylight
Wind40° @ 3 kt
Visibility10 sm
CeilingBroken clouds 2000 ft
Temperature / Dew Point0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data