Overall Trends
Total, fatal, and serious accidents in the selected range.
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
Search everything
Fast key and full-text search with live filters, watches, and precise metadata.
Use quotes for exact phrase matches (for example "fuel selector valve").
Featured 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…
High-signal investigations
Major cases, deep-report coverage, and investigation media across decades of NTSB history.
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 manufacturersAirports
More airportsOperators
More operatorsAbout
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
November 9, 2021 · Bell OH-58A · N902SF
Holtville, CA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
November 9, 2021
Injury Outcomes
No injuries (1 uninjured)
Location
Holtville, CA
Aircraft
Bell OH-58A (1970)
Tail Number
N902SF
Operator
Farm Aviation
Injuries
None
Aircraft Damage
Substantial
NTSB Number
WPR22LA032
The pilot reported that, during an aerial application flight, he encountered some “low-level haze/fog” as he maneuvered the helicopter towards the load truck. After safely landing, he decided to add fuel and return to his operating base. Shortly after departure, the fog thickened so he decided to return to the load site. The pilot reported that he was headed in the direction of the load truck but became spatially disorientated as the haze/fog thickened. The helicopter subsequently impacted the ground coming to rest on its right side. The helicopter sustained substantial damage to the main rotor system, fuselage, and tail boom. The pilot reported no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
NTSB Probable Cause
The pilot’s failure to maintain helicopter control after becoming spatially disoriented when the helicopter entered low-level haze/fog.
Full Narrative
The pilot reported that, during an aerial application flight, he encountered some “low-level haze/fog” as he maneuvered the helicopter towards the load truck. After safely landing, he decided to add fuel and return to his operating base. Shortly after departure, the fog thickened so he decided to return to the load site. The pilot reported that he was headed in the direction of the load truck but became spatially disorientated as the haze/fog thickened. The helicopter subsequently impacted the ground coming to rest on its right side. The helicopter sustained substantial damage to the main rotor system, fuselage, and tail boom. The pilot reported no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
Flight
Event TypeAccident
Event Time03:50 PST
Nearest Airport0nm
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBell OH-58A
Tail NumberN902SF
Aircraft CategoryHeli
DamageSubstantial
OperatorFarm Aviation
Operating RulePart 91
Engines1
Engine TypeTurboshaft
Engine DetailsRolls Royce · 250-C20C · Turboshaft · 420
Seats1
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 43 · Second Class · None
Conditions
ConditionsVMC
LightNight
Wind135° @ 3 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point59 F / 39 F
Altimeter30.03 inHg
Observation Time03:53
Weather SourcePILO