NTSB investigations: Continental IO-520 series, AZ

6 cases on aircraft whose registry engine model is Continental IO-520 series, where the first occurrence was “Loss of engine power(total) - nonmechanical”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19822026

NTSB investigations: Continental IO-520 series, AZ per year, 1982–2026: 6 cases
1982	1
1984	1
1985	1
1987	1
1988	1
2001	1

Where

Open the map

Latest cases

Query with 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."eventStateOrRegion" = 'AZ' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17032') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 353)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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.\"eventStateOrRegion\" = 'AZ' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17032')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 353))
  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.

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."eventStateOrRegion" = 'AZ' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17032')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 353))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB LAX01LA072Accident · Minor injuriesLimited investigationFinal reportBeech V35B · Mesa, AZThe pilot's improper fuel management in cruise flight that resulted in a loss of engine power, because of fuel starvation, and a collision with a fence during the subsequent forced landing.Jan 10, 2001 · N4002A · Substantial damage NTSB LAX89FA001Accident · 1 fatalField investigationFinal reportBeech B23 · Scottsdale, AZThe pilot's mismanagement of fuel. Contributing to the accident was the inadequate lighting of the fuel selector valve.Oct 3, 1988 · N7621R · Destroyed NTSB LAX87LA145Accident · No injuriesLimited investigationFinal reportCessna U206A · Williams, AZDuring a crosswind turn, shortly after takeoff, the pilot noticed that the fuel pressure gauge was registering a loss of fuel pressure and the engine was experiencing a smooth loss of power. The pilot said that he turned on the emergency boost pump and…Mar 14, 1987 · N8058Z · Substantial damage NTSB LAX85LA348Accident · No injuriesLimited investigationFinal reportCessna A188B · Willcox, AZOn August 15, 1985, a Cessna 180 lost eng pwr due to fuel exhaustion and collided with the ground during an aerial applicaion maneuver. The acft sustained substantial damage but the pilot was not injured. The plt stated that he should have checked the fuel…Aug 15, 1985 · N4974Q · Substantial damage NTSB LAX84LA436Accident · Minor injuriesLimited investigationFinal reportCessna 210L · Chinle, AZAt about 1400 MST, the plt took off. He climbed & leveled off at 8500 ft. he was using fuel from the right tank which ran dry, then he switched to the left tank. At that time, he thought he had 30 mins of fuel remaining. He decided to land at Chinle, AZ, &…Aug 12, 1984 · N29359 · Substantial damage NTSB LAX83FA030Accident · 1 fatalField investigationFinal reportCessna T337D · Scottsdale, AZFour minutes after takeoff the plt radioed that his eng had failed & he was going down. The acft crashed into a residential area, striking power lines, a fence & two houses. The acft had been flown during the day with no refueling the right aux tank contained…Nov 10, 1982 · N86041 · Destroyed