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NTSB investigations: Aero Commander S2R

18 cases on aircraft the registry lists as Aero Commander S2R, where the first occurrence was “Loss of engine power”. 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.

Cases per year

19842026

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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 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\" = 350))
  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.

NTSB LAX03LA158Accident · No injuriesLimited investigationFinal reportAyres S2R-T34 · Willows, CAA loss of engine power for an undetermined reason during an aerial application.May 21, 2003 · N5653X · Substantial damageNTSB CHI03LA106Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Benson, MNThe loss of engine power for undetermined reasons.Apr 13, 2003 · N5519X · Substantial damageNTSB MIA02LA135Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Cochran, GAA loss of power while conducting aerial application to cotton crops due to failure of a magneto housing, and the resultant emergency descent and landing to an unsuitable field, causing the collision with a tree.Jul 17, 2002 · N8943Q · Substantial damageNTSB FTW99LA097Accident · Minor injuriesLimited investigationFinal reportAero Commander S2R · Hobart, OKThe loss of engine power due to an undetermined reason. A factor was the ditch.Mar 19, 1999 · N5647X · DestroyedNTSB MIA98LA244Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Malone, FLa loss of engine power due to a chaffed ignition wires, resulting in a forced landing and subsequent impact with trees.Sep 9, 1998 · N3652X · Substantial damageNTSB FTW96LA346Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Hatch, NMa loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for a forced landing.Aug 11, 1996 · N8992Q · Substantial damageNTSB CHI95LA265Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Wyatt, MOthe pilot's failure to use carburetor heat which led to carburetor ice. Factors were weather conditions conducive to carburetor icing and the unsuitable terrain encountered during the forced landing.Aug 3, 1995 · N5663X · Substantial damageNTSB FTW95LA283Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Widener, ARLoss of engine power for an undetermined reason. The proximity of power lines (obstruction) was a related factor.Jul 7, 1995 · N8972Q · Substantial damageNTSB FTW95LA145Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Gillett, ARThe engine main rod bearing seized to the crankshaft due to worn master rod metal pieces blocking the oil passages. A factor was an engine overhaul was not performed by company maintenance personnel.Mar 23, 1995 · N5561X · Substantial damageNTSB MIA94LA172Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Rolling Fork, MSThe loss of engine power for undetermined causes. Contributing to the accident was the unsuitable terrain encountered during the forced landing.Jul 3, 1994 · N8820Q · Substantial damageNTSB FTW94LA128Accident · Minor injuriesLimited investigationFinal reportAero Commander S2R · Monticello, ARThe loss of power for undetermined reasons and the inadvertant stall during the forced landing. A factor was the lack of suitable terrain.Apr 18, 1994 · N8958Q · Substantial damageNTSB FTW93LA230Accident · No injuriesLimited investigationFinal reportAero Commander S2R · England, ARA partial loss of engine power for undetermined reasons.Aug 4, 1993 · N5570X · Substantial damageNTSB LAX90DVA09Accident · No injuriesFinal reportRockwell S2R · Mendota, CALoss of engine power for an unknown reason. Darkness was a related factor.Aug 18, 1990 · N3657X · Substantial damageNTSB SEA90LA097Accident · Minor injuriesLimited investigationFinal reportRockwell S2R · Cottonwood, IDThe loss of engine power due to undetermined reasons. The berm, which the airplane struck during landing, was a factor in the accident.Jun 6, 1990 · N5620X · DestroyedNTSB MKC88LA141Accident · No injuriesLimited investigationFinal reportRockwell S2R · O'Kean, ARWhile performing an aerial application operation, the plt said he experienced a total powerplant failure. He attempted an emergency ldg in a cultivated rice field. During the ldg attempt, the aircraft sustained substantial damage to the propeller, landing…Jul 28, 1988 · N3665X · Substantial damageNTSB FTW87DRG05Accident · No injuriesFinal reportAero Commander S2R · La Joya, TXDuring an aerial application flight at a low altitude the aircraft's engine failed. A forced landing was made to a grassfield resulting in substantial damage to the aircraft. Disassembly of the engine revealed partial failure of the left magneto. The aircraft…Jul 22, 1987 · N5510X · Substantial damageNTSB LAX87DVG05Accident · No injuriesFinal reportAero Commander S2R · Gridley, CAOn takeoff from a farmer's field the aircraft's engine lost power. The aircraft was unable to clear a levee, struck the levee and came to rest in a rice field. The aircraft's fuel pump was removed and tested. After one minute of operation the pump pressure…Apr 27, 1987 · N5644X · Substantial damageNTSB ATL84LKG10Accident · Minor injuriesFinal reportAero Commander S2R · Americus, GAAccording to the plt, he had maneuvered to finish spraying a field & was descending on a trim run when the eng coughed/hesitated. He stated that he became distracted by the problem & before he realized it, the acft was converging on trees. He turned the acft…Jun 30, 1984 · N9059N · Destroyed