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
August 6, 2012 · Cessna 208 · N9727F
Chula Vista, CA
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
August 6, 2012
Injury Outcomes
No injuries (1 uninjured)
Location
Chula Vista, CA
Aircraft
Cessna 208
Tail Number
N9727F
Operator
Tactical Air Operations
Injuries
None
Aircraft Damage
Substantial
NTSB Number
WPR12CA346
The pilot said that, while on short final, the airplane experienced a sudden sink rate when the wind changed from a head wind to calm conditions. He was unable to arrest the sink rate even after power was applied because of the lag time for the airplane’s turbine engine to spool up. The airplane landed hard short of the runway. Postaccident examination of the airplane revealed that the left side of the fuselage was dented and wrinkled, and the left main landing gear was bent inboard of the axle and was missing its brake assembly.
NTSB Probable Cause
Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Descent rate-Not attained/maintained - C
Full Narrative
The pilot said that while on short final, the airplane experienced a sudden sink rate when the wind went from a head wind to calm conditions. He was unable to arrest the sink rate even after power was applied because of the lag time for the airplane’s turbine engine to spool up. The airplane landed hard, short of the runway. After taxiing to the ramp, examination of the airplane revealed that the left side of the fuselage was dented and wrinkled, and the left main gear was found bent inboard of the axle and its brake assembly was missing.
Flight
Event TypeAccident
Event Time09:30 PDT
Nearest AirportJohn Nichol'S Field Airport (0nm)
Runway27
Runway Length2400 ft
Runway Width50 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 208
Tail NumberN9727F
Aircraft CategoryAir
DamageSubstantial
OperatorTactical Air Operations
Operating RulePart 91
Engines1
Engine TypeTurboprop
Engine DetailsP&W · PT6A SER · Turboprop · 750
Seats10
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 50 · First Class · None
Conditions
ConditionsVMC
LightDaylight
Wind5 kt
Visibility7 sm
CeilingBroken clouds 20000 ft
Temperature / Dew Point63 F
Altimeter29.98 inHg
Observation Time16:56
Weather SourceWFAC