NTSB investigations: Maule MX-7-180

6 cases on aircraft the registry lists as Maule MX-7-180, where the first occurrence was “Loss of control - on ground/water”. 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

19872026

NTSB investigations: Maule MX-7-180 per year, 1987–2026: 6 cases
1987	1
1988	1
1989	1
1992	2
1997	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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5470205', '5460185') 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" = 260)) 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5470205', '5460185')
      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\" = 260))
  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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5470205', '5460185')
    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" = 260))
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 CHI97LA107Accident · Minor injuriesLimited investigationFinal reportMaule MX-7-180 · Lakeville, MNthe pilot's inadequate compensation for the crosswind.Apr 19, 1997 · N5666N · Substantial damage NTSB LAX93LA082Accident · No injuriesLimited investigationFinal reportMaule MX-7-180 · Oceano, CAThe pilot's operation of the aircraft with known deficiencies in the brake system.Dec 30, 1992 · N5653R · Substantial damage NTSB LAX92LA317Accident · No injuriesLimited investigationFinal reportMaule MX-7-180 · Lovelock, NVThe failure of the pilot to maintain directional control of the aircraft. A factor in the accident was the presence of dust devils in the vicinity of the airport.Jul 28, 1992 · N6138Y · Substantial damage NTSB ATL89LA134Accident · No injuriesLimited investigationFinal reportMaule MX-7-180 · Millersburg, OHThe pilots failure to compensate for the gusty wind conditions during landing.Apr 24, 1989 · N6129C · Substantial damage NTSB BFO88LA020Accident · No injuriesLimited investigationFinal reportMaule MX7-180 · Lewisburg, WVThe plt started landing flare on rwy 22 when he encountered wind gusts. The acft swung right and the left wing struck the rwy. The acft cartwheeled and came to a stop inverted.Feb 24, 1988 · N5662H · Substantial damage NTSB ATL87LA128Accident · No injuriesLimited investigationFinal reportMaule MX-7-180 · Greenville, SCThe pilot was doing touch and go's to become familiar with his new aircraft. On the fifth landing the aircraft started a groundloop and he recovered by adding full power. On the next landing the aircraft again started a groundloop to the right, he added full…Apr 28, 1987 · N5670C · Substantial damage