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NTSB finding · Aircraft › Aircraft systems › Indicating/recording systems

All 22 cases17 in the probable cause
Cases
22
In the probable cause
17 (77%)
Fatal cases
8
NTSB code
01023110

NTSB has coded findings and defining events since 2008. Earlier cases used its older occurrence and cause codes, so they aren’t counted here.

When and where

In green, cases where NTSB made it part of the probable cause; in gray, a factor or other finding. Findings are coded with the final report, often a year or more after the event, so the latest years are incomplete.

Cases per year

2008In the probable causeFactor only2026

Where

Open the map
Query with SQL
duckdb -csv -c "SELECT year(c.\"eventDate\") AS year, count(DISTINCT f.case_mkey) AS cases,
    count(DISTINCT f.case_mkey) FILTER (WHERE f.\"inProbableCause\") AS in_probable_cause
  FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = f.case_mkey
  WHERE starts_with(f.\"findingCode\", '01023110') AND c.\"eventDate\" >= DATE '2000-01-01'
  GROUP BY 1
  ORDER BY 1"

Prints the counts as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

In the same cases

Defining events
Aircraft models

Aircraft matched to the registry by N-number and date.

Other findings
Query with SQL
duckdb -csv -c "WITH matched AS (SELECT DISTINCT case_mkey, aircrafts_position FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' WHERE starts_with(\"findingCode\", '01023110'))
  SELECT * FROM (
  SELECT 'Defining event' AS kind, e.\"tier2Number\" AS code, max(e.\"eventTier2Name\") AS name, count(DISTINCT f.case_mkey) AS cases
  FROM matched f JOIN 'https://openairdocs.org/data/latest/ntsb_events.parquet' e ON e.case_mkey = f.case_mkey AND e.aircrafts_position = f.aircrafts_position AND e.\"isDefiningEvent\"
  WHERE e.\"tier2Number\" <> ''
  GROUP BY ALL
  UNION ALL
  SELECT 'Aircraft model', a.aircraft_model_code, any_value(concat_ws(' ', m.manufacturer, m.model)), count(DISTINCT f.case_mkey)
  FROM matched f JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = f.case_mkey AND a.position = f.aircrafts_position
  LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m ON m.code = a.aircraft_model_code
  WHERE a.aircraft_model_code IS NOT NULL
  GROUP BY ALL
  UNION ALL
  SELECT 'Other finding', left(g.\"findingCode\", 8), max(g.\"tier4Name\"), count(DISTINCT g.case_mkey)
  FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' g
  WHERE g.case_mkey IN (SELECT case_mkey FROM matched) AND NOT starts_with(g.\"findingCode\", '01023110') AND g.\"findingCode\" GLOB '[0-9][0-9]*'
  GROUP BY ALL
  )
  QUALIFY row_number() OVER (PARTITION BY kind ORDER BY cases DESC) <= 10
  ORDER BY kind, cases DESC"

Prints the counts as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Newest cases · 22

NTSB WPR22FA298Accident · 1 fatalClass 3 · FieldFinal reportCirrus Design SR22 · Blyn, WAThe 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.Aug 10, 2022 · N379DH · Substantial damageNTSB CEN21LA351Accident · Serious injuriesClass 3 · LimitedFinal reportCozy Mark IV · Rushville, NEA 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.Aug 2, 2021 · N1361S · Substantial damageNTSB ERA19LA269Accident · Minor injuriesClass 3 · LimitedFinal reportMooney M20J · Bowie, MDA 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.Sep 12, 2019 · N202JB · Substantial damageNTSB CEN19LA187Accident · No injuriesClass 3 · LimitedFinal reportRobinson R22 · Danbury, TXA 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.Jun 28, 2019 · N26498 · Substantial damageNTSB CEN19FA100Accident · 1 fatalClass 2 · FieldFinal reportCessna 421 · Plain City, OHA loss of airspeed indication due to icing of the airplane's pitot probe, and the pilot's loss of control while maneuvering.Mar 17, 2019 · N424TW · DestroyedNTSB CEN19CA017Accident · No injuriesData collectionFinal reportPiper PA28R · Hobbs, NMThe pilot's incorrect altimeter setting during the night visual approach, which resulted in a controlled flight into terrain.Oct 28, 2018 · N6899C · Substantial damageNTSB CEN19LA016Accident · No injuriesClass 3 · LimitedFinal reportRotorway 162 · Passaic, MOThe 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.Oct 27, 2018 · N162RF · Substantial damageNTSB CEN17LA303Accident · No injuriesLimited investigationFinal reportCessna A188B · Marshall, MOThe 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…Aug 4, 2017 · N3047J · Substantial damageNTSB ERA15FA378Accident · 1 fatalField investigationFinal reportPiper PA 30 · St. Petersburg, FLThe 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…Sep 30, 2015 · N21ND · Substantial damageNTSB GAA15CA187Accident · No injuriesData collectionFinal reportHier James A Long EZ · Show Low, AZThe right main landing gear leg fracture, which resulted in the landing gear wheel separation and a runway excursion.Jun 26, 2015 · N793H · Substantial damage
See all 22 cases
Query with SQL
duckdb -csv -c "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\", '01023110'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.