NTSB investigations: Aero Commander S2R

7 cases on aircraft the registry lists as Aero Commander S2R, where the first occurrence was “Loss of control - in flight”. 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: Aero Commander S2R per year, 1982–2026: 7 cases
1982	1
1985	1
1986	1
1997	1
1998	2
2002	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 ('0143022') 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" = 250)) 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 ('0143022')
      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\" = 250))
  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 ('0143022')
    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" = 250))
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 LAX02LA246Accident · No injuriesLimited investigationFinal reportAero Commander S2R-T34 · Los Banos, CAThe pilot's failure to maintain an adequate airspeed while maneuvering, which resulted in an inadvertent stall.Aug 5, 2002 · N8822Q · Substantial damage NTSB FTW98LA363Accident · Serious injuriesLimited investigationFinal reportAero Commander S2R · Beeville, TXThe pilot's failure to maintain aircraft control and the ensuing inadvertent stall.Aug 18, 1998 · N1731S · Substantial damage NTSB FTW98LA257Accident · 1 fatalLimited investigationFinal reportAero Commander S2R · Hondo, TXThe inadvertent stall due to the pilot's failure to maintain control of the airplane. Factors were the high winds and the wind induced turbulence.Jun 6, 1998 · N1765S · Destroyed NTSB FTW97LA137Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Dilley, TXfailure of the pilot to maintain adequate airspeed, while maneuvering over high transmission line(s), which resulted in a stall/mush and collision with the terrain. The unfavorable weather condition (with turbulence) and the obstruction (high transmission…Mar 21, 1997 · N8985Q · Substantial damage NTSB SEA86LA179Accident · 1 fatalLimited investigationFinal reportAyres S2R · Nampa, IDGround personnel reported the acft entered procedure turnaround in an excessive attitude, appeared to stall, rolled inverted and struck the ground. No evidence found of pre-impact mechanical failure or malfunction.Jul 25, 1986 · N5511X · Destroyed NTSB MKC85LA068Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Bradley, ARThe plt said that after liftoff the acft encountered a gust of wind and the acft swerved off the airstrip into rough terrain.Mar 6, 1985 · N8909Q · Substantial damage NTSB CHI82DA247Accident · No injuriesFinal reportAero Commander S2R · Graceville, MNThe pilot was on an aerial application flight to a field with power lines alongside. The wind was reported to be from the southeast a 6, gusting 11 KTS. The pilot said that he encountered "dead air" while he was in his fourth porcedure turn. Due to the…Jul 14, 1982 · N3690X · Destroyed