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 27, 1984 · Piper PA-28-140 · N15699
Yucaipa, CA
Overview
Report Status
Preliminary report
Event Type
Accident
Date
August 27, 1984
Injury Outcomes
5 injuries (5 fatalities)
Location
Yucaipa, CA
Aircraft
Piper PA-28-140
Tail Number
N15699
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
LAX84FA459
THE ACFT WAS OBSERVED WITH ITS' WING DIPPING AS IT FLEW LOW OVER A VALLEY. THE ACFT THEN TOUCHED DOWN IN A FLD, COLLIDEDWITH A BOULDER AND A TRACTOR TRAILER. EXAMINATION OF THE ACFT DISCLOSED NO EVIDENCE OF A MALFUNCTION. THE ACCIDENT SITE IS 6 MILES EAST OF THE DEPARTURE ARPT. THE TERRAIN BETWEEN THE ARPT AND THE ACCIDENT SITE SLOPES UP 6 DEG. ARPT ELEV 1572 FT, DENSITY ALT 4000 FT. ACCIDENT SITE ELEV 2650 FT, DENSITY ALT 5100 FT. OAT 90 DEG AND FLAPS EXTENDED DOWN 10 DEG.
Full Narrative
THE ACFT WAS OBSERVED WITH ITS' WING DIPPING AS IT FLEW LOW OVER A VALLEY. THE ACFT THEN TOUCHED DOWN IN A FLD, COLLIDEDWITH A BOULDER AND A TRACTOR TRAILER. EXAMINATION OF THE ACFT DISCLOSED NO EVIDENCE OF A MALFUNCTION. THE ACCIDENT SITE IS 6 MILES EAST OF THE DEPARTURE ARPT. THE TERRAIN BETWEEN THE ARPT AND THE ACCIDENT SITE SLOPES UP 6 DEG. ARPT ELEV 1572 FT, DENSITY ALT 4000 FT. ACCIDENT SITE ELEV 2650 FT, DENSITY ALT 5100 FT. OAT 90 DEG AND FLAPS EXTENDED DOWN 10 DEG.
Flight
Event TypeAccident
Event Time10:24 PDT
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireGrd
Aircraft ExplosionNo
Aircraft
AircraftPiper PA-28-140
Tail NumberN15699
Aircraft CategoryAir
DamageDestroyed
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-E3D · Reciprocating · 150
Seats2
People & Injuries
Injury Summary5 injuries (5 fatalities)
Fatal5
Serious0
Minor0
Uninjured0
Total5
Crew 1Age 30 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind270° @ 10 kt
Visibility25 sm
CeilingNone
Temperature / Dew Point64 F
Altimeter30.00 inHg
Weather SourceWIT