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
June 27, 1987 · Piper PA-32R-300 · N4364X
Tucson, AZ
Overview
Report Status
Preliminary report
Event Type
Accident
Date
June 27, 1987
Injury Outcomes
No injuries (1 uninjured)
Location
Tucson, AZ
Aircraft
Piper PA-32R-300
Tail Number
N4364X
Operator
Universe Air Cargo
Injuries
None
Aircraft Damage
Substantial
NTSB Number
LAX87LA245
AT THE END OF A BUSINESS FLT, THE PLT EXTENDED THE LANDING GEAR AND NOTED THAT THE LEFT MAIN LANDING GEAR INDICATED THAT IT WAS NOT DOWN AND LOCKED. THE PLT ACTIVATED THE EMERGENCY LANDING GEAR EXTENSION WHICH STILL INDICATED IT WAS NOT DOWN. WHILE ON FINAL APPROACH, THE PLT SHUT THE ENGINE DOWN IN HOPES THAT IF THE GEAR DID COLLAPSE HE MAY BE ABLE TO PREVENT DAMAGE TO THE ENGINE, HOWEVER, WHEN THE ENGINE WAS SHUT OFF THE ACFT'S SINK RATE INCREASED. THE PLT ATTEMPTED AN UNSUCCESSFUL RESTART. THE ACFT THEN COLLIDED WITH THE TERRAIN HALF A MILE FROM THE ARPT. IT WAS NOT DETERMINED IF THE GEAR WAS DOWN AND LOCKED.
Full Narrative
AT THE END OF A BUSINESS FLT, THE PLT EXTENDED THE LANDING GEAR AND NOTED THAT THE LEFT MAIN LANDING GEAR INDICATED THAT IT WAS NOT DOWN AND LOCKED. THE PLT ACTIVATED THE EMERGENCY LANDING GEAR EXTENSION WHICH STILL INDICATED IT WAS NOT DOWN. WHILE ON FINAL APPROACH, THE PLT SHUT THE ENGINE DOWN IN HOPES THAT IF THE GEAR DID COLLAPSE HE MAY BE ABLE TO PREVENT DAMAGE TO THE ENGINE, HOWEVER, WHEN THE ENGINE WAS SHUT OFF THE ACFT'S SINK RATE INCREASED. THE PLT ATTEMPTED AN UNSUCCESSFUL RESTART. THE ACFT THEN COLLIDED WITH THE TERRAIN HALF A MILE FROM THE ARPT. IT WAS NOT DETERMINED IF THE GEAR WAS DOWN AND LOCKED.
Flight
Event TypeAccident
Event Time14:45 MST
Nearest AirportAvra Valley (0nm N)
Runway30
Runway Length3000 ft
Runway Width75 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftPiper PA-32R-300
Tail NumberN4364X
Aircraft CategoryAir
DamageSubstantial
OperatorUniverse Air Cargo
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · TI0-540KIA5D · Reciprocating · 300
Seats2
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 45 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind310° @ 4 kt
Visibility50 sm
CeilingNone
Temperature / Dew Point11 C / 36 C
Altimeter29.00 inHg
Observation Time22:53
Weather SourceWFAC