# NTSB investigations: Indicating/recording systems

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

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## Latest cases

- [NTSB WPR25LA064](https://openairdocs.org/ntsb/WPR25LA064.md): Amazon.Com Services MK30 · Pendleton, OR · Accident · No injuries · Class 4 · Limited · Final report · Dec 16, 2024 · N223PA · Substantial damage
  > The incorrect altitude indication by test software during landing.
- [NTSB WPR25LA063](https://openairdocs.org/ntsb/WPR25LA063.md): Amazon.Com Services MK30 · Pendleton, OR · Accident · No injuries · Class 4 · Limited · Final report · Dec 16, 2024 · N209PA · Substantial damage
  > An improper altitude indication from a recent software update, which resulted in a loss of engine power in flight.
- [NTSB WPR24LA265](https://openairdocs.org/ntsb/WPR24LA265.md): Bell 407 · Raft River, ID · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 3, 2024 · N20BH · Substantial damage
  > The pilot’s misdiagnosis of an erroneous engine instrument indication and his subsequent decision to enter an autorotation, which resulted in a hard landing due to degraded visual cues and low ambient light conditions. Contributing to the accident were the…
- [NTSB CEN24LA318](https://openairdocs.org/ntsb/CEN24LA318.md): Ayres S2R · Stanwood, MI · Accident · No injuries · Class 3 · Limited · Final report · Jun 20, 2024 · N4004K · Substantial damage
  > The pilot’s failure to maintain terrain clearance during a low-level aerial application flight, which resulted in impact with terrain and a subsequent forced landing. Contributing to the accident was the location of the spray boom pressure gauge, which…
- [NTSB CEN24MA111](https://openairdocs.org/ntsb/CEN24MA111.md): Airbus Helicopters EC 130 · Halloran Springs, CA · Accident · 6 fatal · Class 2 · Major · Final report · Feb 10, 2024 · N130CZ · Destroyed
  > The pilot’s decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control. Contributing to the accident was the company’s inadequate oversight of its…
- [NTSB CEN23FA359](https://openairdocs.org/ntsb/CEN23FA359.md): Vans RV14 · Virden, IL · Accident · 1 fatal · Class 3 · Field · Final report · Aug 12, 2023 · N6161 · Substantial damage
  > The pilot/builder’s improper configuration of the canopy latch micro switch, which incorrectly signaled a closed canopy before flight that resulted in an inflight opening of the airplane’s canopy, an upset of the airplane, and a loss of control from which the…
- [NTSB WPR23LA306](https://openairdocs.org/ntsb/WPR23LA306.md): Boeing CH-46E · Springerville, AZ · Accident · No injuries · Class 3 · Limited · Final report · Aug 5, 2023 · N461WY · Destroyed
  > The flight crew’s misidentification of a No. 2 torque sensing system signal conditioner malfunction when both engines were performing normally, which resulted in their attempt to execute a single-engine steep approach and landing without sufficient engine…
- [NTSB CEN23LA135](https://openairdocs.org/ntsb/CEN23LA135.md): Bell Helicopter Textron APT70 · Mineral Wells, TX · Accident · No injuries · Class 3 · Limited · Final report · Mar 14, 2023 · N314AL · Substantial damage
  > The flight crew’s loss of control of the unmanned aircraft due to software limitations. Contributing to the accident was the overly restrictive low voltage threshold limits.
- [NTSB CEN23LA130](https://openairdocs.org/ntsb/CEN23LA130.md): Robinson Helicopter R44 · De Kalb, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Mar 11, 2023 · N4164T · Substantial damage
  > The pilot’s inability to maintain control of the helicopter due to his failure to maintain rotor speed. Contributing to the accident was the failure of the helicopter’s low rotor speed warning system.
- [NTSB DCA23FA149](https://openairdocs.org/ntsb/DCA23FA149.md): Boeing 737-79P · Austin, TX · Incident · No injuries · Class 1 · Field · Final report · Feb 4, 2023 · N7827A · 2 aircraft · No damage
  > the local controller’s incorrect assumption that the Southwest Airlines (SWA) airplane would depart from the runway before the Federal Express airplane arrived on the same runway, which resulted in a loss of separation between both airplanes. Contributing to…
- [NTSB DCA23LA125](https://openairdocs.org/ntsb/DCA23LA125.md): Boeing 737-900ER · Queens, NY · Incident · No injuries · Class 1 · Limited · Final report · Jan 14, 2023 · N914DU · 2 aircraft · No damage
  > The American Airlines flight 106 (AAL106) crew’s surface navigation error due to distractions caused by their performance of concurrent operational tasks during taxi, which resulted in a loss of situational awareness. Contributing to the incident was the air…
- [NTSB CEN23LA003](https://openairdocs.org/ntsb/CEN23LA003.md): Embraer S A EMB-545 · Houston, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 3, 2022 · N179SP · Substantial damage
  > The crew failed to ensure the main entry door was locked before departure. Contributing to the accident was a corroded/jammed door sensor that provided an erroneous locked indication to the crew alerting system.
- [NTSB WPR22FA298](https://openairdocs.org/ntsb/WPR22FA298.md): Cirrus Design SR22 · Blyn, WA · Accident · 1 fatal · Class 3 · Field · Final report · Aug 10, 2022 · N379DH · Substantial damage
  > The pilot’s continued operation of the airplane with known mechanical malfunctions with the flight displays, and his continued flight into instrument meteorological conditions, which resulted in an inflight collision with terrain while maneuvering.
- [NTSB ANC21LA077](https://openairdocs.org/ntsb/ANC21LA077.md): Piper PA-12 · Nikolai, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 28, 2021 · N2579M · Substantial damage
  > The pilot’s loss of control on go-around in gusting crosswind conditions. Contributing to accident was the pilot’s decision to attempt to land at a short off-airport landing site with a malfunctioning airspeed indicator.
- [NTSB CEN21LA351](https://openairdocs.org/ntsb/CEN21LA351.md): Cozy Mark IV · Rushville, NE · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 2, 2021 · N1361S · Substantial damage
  > A total loss of engine power due to an obstruction of airflow to the engine as a result of the landing brake being deployed in flight.
- [NTSB CEN21LA057](https://openairdocs.org/ntsb/CEN21LA057.md): Cirrus SR22 · Tishomingo, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 24, 2020 · N183V · Substantial damage
  > The pilot’s improper adjustment of the engine mixture control, which resulted in a total loss of engine power. Contributing to the accident was a disconnected oil temperature connector, which was likely damaged during maintenance before the accident flight…
- [NTSB CEN20LA069](https://openairdocs.org/ntsb/CEN20LA069.md): Cirrus SR22 · Woody Creek, CO · Accident · No injuries · Class 3 · Limited · Final report · Jan 27, 2020 · N288WT · Substantial damage
  > Water trapped in the static system, which resulted in incorrect airspeed display information and the pilot’s forced landing.
- [NTSB DCA20MA059](https://openairdocs.org/ntsb/DCA20MA059.md): Sikorsky S76 · Calabasas, CA · Accident · 9 fatal · Class 1 · Major · Final report · Jan 26, 2020 · N72EX · Destroyed
  > The pilot’s decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control. Contributing to the accident was the pilot’s likely self-induced pressure…
- [NTSB CEN20LA028](https://openairdocs.org/ntsb/CEN20LA028.md): BAE BAE125 · Detroit, MI · Accident · No injuries · Class 3 · Limited · Final report · Dec 3, 2019 · N469RJ · Substantial damage
  > The pilots’ failure to increase approach speed as recommended for flight in icing conditions, which resulted in an aerodynamic stall and subsequent impact with terrain. Contributing to the accident was the failure of the stall warning system to advise the…
- [NTSB ERA19LA269](https://openairdocs.org/ntsb/ERA19LA269.md): Mooney M20J · Bowie, MD · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 12, 2019 · N202JB · Substantial damage
  > A blockage of the pitot static system that preclude the airspeed indicator from displaying speeds greater than 40 mph, which led the pilot to abort the landing and overrun the runway.
- [NTSB WPR19FA230](https://openairdocs.org/ntsb/WPR19FA230.md): Cessna 560XL · Oroville, CA · Accident · No injuries · Class 3 · Field · Final report · Aug 21, 2019 · N91GY · Destroyed
  > The pilot’s failure to release the parking brake before attempting to initiate the takeoff, which produced an unexpected retarding force and airplane nose down pitching moment. Also causal was the flight crew’s delayed decision to abort the takeoff, which…
- [NTSB CEN19LA187](https://openairdocs.org/ntsb/CEN19LA187.md): Robinson R22 · Danbury, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 28, 2019 · N26498 · Substantial damage
  > A failed electrical relay, which provided an improper indication of a governor and clutch problem, which resulted in the pilot conducting a precautionary landing during which he failed to maintain sufficient main rotor speed.
- [NTSB CEN19MA141](https://openairdocs.org/ntsb/CEN19MA141.md): De Havilland DHC-2 · Ketchikan, AK · Accident · 6 fatal · Class 1 · Major · Final report · May 13, 2019 · N952DB · 2 aircraft · Destroyed
  > The inherent limitations of the see-and-avoid concept, which prevented the two pilots from seeing the other airplane before the collision, and the absence of visual and aural alerts from both airplanes’ traffic display systems, while operating in a geographic…
- [NTSB CEN19FA100](https://openairdocs.org/ntsb/CEN19FA100.md): Cessna 421 · Plain City, OH · Accident · 1 fatal · Class 2 · Field · Final report · Mar 17, 2019 · N424TW · Destroyed
  > A loss of airspeed indication due to icing of the airplane's pitot probe, and the pilot's loss of control while maneuvering.
- [NTSB DCA19MA086](https://openairdocs.org/ntsb/DCA19MA086.md): Boeing 767 · Trinity Bay, TX · Accident · 3 fatal · Class 1 · Major · Final report · Feb 23, 2019 · N1217A · Destroyed
  > The inappropriate response by the first officer as the pilot flying to an inadvertent activation of the go-around mode, which led to his spatial disorientation and nose-down control inputs that placed the airplane in a steep descent from which the crew did…
- [NTSB WPR19FA022](https://openairdocs.org/ntsb/WPR19FA022.md): Piper PA28 · Guthrie Center, IA · Accident · 4 fatal · Class 2 · Field · Final report · Nov 9, 2018 · N91770 · Substantial damage
  > Pilot incapacitation due to carbon monoxide poisoning as a result of an undetected crack in an engine exhaust muffler, which permitted entry of exhaust gasses into the cabin via the cabin heat system.
- [NTSB CEN19CA017](https://openairdocs.org/ntsb/CEN19CA017.md): Piper PA28R · Hobbs, NM · Accident · No injuries · Data collection · Final report · Oct 28, 2018 · N6899C · Substantial damage
  > The pilot's incorrect altimeter setting during the night visual approach, which resulted in a controlled flight into terrain.
- [NTSB CEN19LA016](https://openairdocs.org/ntsb/CEN19LA016.md): Rotorway 162 · Passaic, MO · Accident · No injuries · Class 3 · Limited · Final report · Oct 27, 2018 · N162RF · Substantial damage
  > The electrical short in the main rotor rpm indicating unit which provided an inaccurate indication to the student pilot and resulted in substantial damage during the precautionary autorotation.
- [NTSB DCA18CA283](https://openairdocs.org/ntsb/DCA18CA283.md): Airbus A321-271N · Los Angeles, CA · Accident · No injuries · Class 4 · Data collection · Final report · Aug 13, 2018 · N204HA · Substantial damage
  > a tailstrike caused by inappropriate recovery technique after a bounced landing. Contributing to the accident was the failure of the radio altimeter, caused by the approach being over calm/flat water, that was not recognized by the flight crew.
- [NTSB CEN17LA303](https://openairdocs.org/ntsb/CEN17LA303.md): Cessna A188B · Marshall, MO · Accident · No injuries · Limited investigation · Final report · Aug 4, 2017 · N3047J · Substantial damage
  > The pilot's inability to accurately monitor the airplane's airspeed after takeoff due to an inoperative airspeed indicator, which resulted in the pilot's failure to maintain adequate airspeed and his exceedance of the airplane's critical angle of attack and…
- [NTSB WPR17LA159](https://openairdocs.org/ntsb/WPR17LA159.md): Robinson Helicopter R44 II · Van Nuys, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 21, 2017 · N3254E · Substantial damage
  > An improper repair of the right magneto's tachometer and governor signal wire, which failed during cruise flight and initiated a simultaneous malfunction of both the engine tachometer and governor control system, which resulted in erroneous and contradictory…
- [NTSB DCA17IA148](https://openairdocs.org/ntsb/DCA17IA148.md): Airbus A320-211 · San Francisco, CA · Incident · No injuries · Class 1 · Incident · Final report · Jul 8, 2017 · C-FKCK · No damage
  > The flight crew's misidentification of taxiway C as the intended landing runway, which resulted from the crewmembers' lack of awareness of the parallel runway closure due to their ineffective review of notice to airmen (NOTAM) information before the flight…
- [NTSB CEN17FA252](https://openairdocs.org/ntsb/CEN17FA252.md): Airbus Helicopters Deutschland MBB-BK 117 B-2 · Perryville, MO · Accident · Minor injuries · Field investigation · Final report · Jul 2, 2017 · N238BK · Substantial damage
  > Fuel starvation due to the pilot’s failure to turn on the fuel transfer pump switches during takeoff, which led to a total loss of engine power. Contributing to the accident was the pilot's improper decision to activate the annunciator panel’s dimming…
- [NTSB ERA17LA163](https://openairdocs.org/ntsb/ERA17LA163.md): Robinson R44 · Orlando, FL · Accident · No injuries · Limited investigation · Final report · Apr 20, 2017 · N899GB · Substantial damage
  > A partial failure of the helicopter's engine tachometer due to the separation of one of the magnet assemblies and engine roughness, which precipitated the pilot’s initiation of an off-airport autorotation, during which he applied improper aft cyclic flight…
- [NTSB GAA17CA215](https://openairdocs.org/ntsb/GAA17CA215.md): Cessna 182 · Blue Earth, MN · Accident · Minor injuries · Data collection · Final report · Apr 3, 2017 · N8889X · Substantial damage
  > The pilot's decision to continue the night, visual flight into instrument meteorological conditions, which resulted in controlled flight into terrain while on final approach. Contributing to the accident was the pilot's improper use of an electronic flight…
- [NTSB ERA17LA125](https://openairdocs.org/ntsb/ERA17LA125.md): Grob G120TP-A · Abbeville, AL · Accident · Serious injuries · Class 2 · Limited · Final report · Mar 8, 2017 · N196TP · Substantial damage
  > The flame-out of the engine due to a mis-set fuel control unit at the time of manufacture. Contributing to the accident was the pilots’ delayed recognition that the engine had flamed out, partially due to the operator’s requirement to disable the crew…
- [NTSB CEN17LA065](https://openairdocs.org/ntsb/CEN17LA065.md): Lueck Kitfox 7 · Cody, WY · Accident · No injuries · Limited investigation · Final report · Dec 23, 2016 · N320RJ · Substantial damage
  > Improper maintenance of the fuel pressure regulator, which resulted in an excessive fuel and airbox pressure differential and subsequent loss of engine power.
- [NTSB ANC17MA001](https://openairdocs.org/ntsb/ANC17MA001.md): Cessna 208B · Togiak, AK · Accident · 3 fatal · Class 1 · Major · Final report · Oct 2, 2016 · N208SD · Destroyed
  > The flight crew's decision to continue the visual flight rules flight into deteriorating visibility and their failure to perform an immediate escape maneuver after entry into instrument meteorological conditions, which resulted in controlled flight into…
- [NTSB DCA16FA199](https://openairdocs.org/ntsb/DCA16FA199.md): Bell 525 · Italy, TX · Accident · 2 fatal · Class 2 · Field · Final report · Jul 6, 2016 · N525TA · Destroyed
  > A severe vibration of the helicopter that led to the crew's inability to maintain sufficient rotor rotation speed (Nr), leading to excessive main rotor blade flapping, subsequent main rotor blade contact with the tail boom, and the resultant in-flight…
- [NTSB CEN16LA186](https://openairdocs.org/ntsb/CEN16LA186.md): Piper PA 32R · Alpine, TX · Accident · No injuries · Limited investigation · Final report · May 15, 2016 · N185DX · Substantial damage
  > The engine’s decreased performance due to high-density altitude conditions and a partially obstructed fuel injector nozzle. Contributing to the pilot's decision to perform an off-field landing was the anomalous high exhaust gas temperature reading.
- [NTSB CEN16MA036](https://openairdocs.org/ntsb/CEN16MA036.md): British Aerospace HS 125 700A · Akron, OH · Accident · 9 fatal · Class 1 · Major · Final report · Nov 10, 2015 · N237WR · Destroyed
  > The flight crew's mismanagement of the approach and multiple deviations from company standard operating procedures, which placed the airplane in an unsafe situation and led to an unstabilized approach, a descent below minimum descent altitude without visual…
- [NTSB ERA15FA378](https://openairdocs.org/ntsb/ERA15FA378.md): Piper PA 30 · St. Petersburg, FL · Accident · 1 fatal · Field investigation · Final report · Sep 30, 2015 · N21ND · Substantial damage
  > The pilot's failure to maintain single-engine minimum controllable airspeed following a loss of right engine power during initial climb. Also causal was the loss of right engine power for reasons that could not be determined because examination of the…
- [NTSB GAA15CA187](https://openairdocs.org/ntsb/GAA15CA187.md): Hier James A Long EZ · Show Low, AZ · Accident · No injuries · Data collection · Final report · Jun 26, 2015 · N793H · Substantial damage
  > The right main landing gear leg fracture, which resulted in the landing gear wheel separation and a runway excursion.
- [NTSB CEN15FA268](https://openairdocs.org/ntsb/CEN15FA268.md): Piper PA 32 · Cuba, MO · Accident · 1 fatal · Field investigation · Final report · Jun 14, 2015 · N2966X · Destroyed
  > The pilot's continued flight into thunderstorm activity, which resulted in his loss of airplane control, the exceedance of the airplane's design limits, and its subsequent in-flight breakup. Contributing to the accident was the pilot's reliance on onboard…
- [NTSB CEN15LA149](https://openairdocs.org/ntsb/CEN15LA149.md): Piper PA 32RT-300T · Lubbock, TX · Accident · No injuries · Limited investigation · Final report · Feb 20, 2015 · N22267 · Substantial damage
  > The pilot's delayed decision to abort the takeoff after the airplane did not lift off as expected due to an inaccurate airspeed indication and tailwind condition, which resulted in a subsequent runway overrun.
- [NTSB DCA15MA029](https://openairdocs.org/ntsb/DCA15MA029.md): Embraer EMB-500 · Gaithersburg, MD · Accident · 6 fatal · Class 1 · Major · Final report · Dec 8, 2014 · N100EQ · Destroyed
  > the pilot's conduct of an approach in structural icing conditions without turning on the airplane's wing and horizontal stabilizer deice system, leading to ice accumulation on those surfaces, and without using the appropriate landing performance speeds for…
- [NTSB CEN15LA062](https://openairdocs.org/ntsb/CEN15LA062.md): Piper PA 28R-201T · Addison, TX · Accident · No injuries · Limited investigation · Final report · Nov 30, 2014 · N533MC · Substantial damage
  > The pilot's failure to maintain directional control during landing with a gusting crosswind, which resulted in a hard landing adjacent to the runway.
- [NTSB ENG15IA037](https://openairdocs.org/ntsb/ENG15IA037.md): Boeing 787-8 · London, United Kingdom · Incident · No injuries · Incident investigation · Final report · Oct 10, 2014 · N26906 · Minor damage
  > A shutdown of the displays due to the inability to operate through a rapid transient radiated electric field brought on by a near field lightning strike. Contributing to the loss of displays for the remainder of the flight was the lack of guidance to the crew…
- [NTSB CEN14LA243](https://openairdocs.org/ntsb/CEN14LA243.md): Hoffius Stowe Challenger II · Attica, IN · Accident · 1 fatal · Limited investigation · Final report · May 10, 2014 · N824SH · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle-of-attack while maneuvering at low altitude, which led to an aerodynamic stall and loss of control. Contributing to the accident was the installation of an…
- [NTSB CEN14FA193](https://openairdocs.org/ntsb/CEN14FA193.md): Airbus AS350 B3E · Albuquerque, NM · Accident · Minor injuries · Field investigation · Final report · Apr 9, 2014 · N395P · Substantial damage
  > The pilot's loss of yaw control during takeoff due to the absence of hydraulic boost to the tail rotor pedals for reasons that could not be determined based on the available information. A finding in the accident was the lack of a caution indicator to alert…

Next page: https://openairdocs.org/ntsb-findings/010231/cases.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '010231'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/010231/cases

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