NTSB investigations: Aero Commander S2R

16 cases on aircraft the registry lists as Aero Commander S2R, where the first occurrence was “Loss of engine power(total) - mech failure/malf”. 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

19822026
NTSB investigations: Aero Commander S2R per year, 1982–2026: 16 cases
19821
19831
19853
19862
19882
19891
19943
19951
19961
19981

Latest 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 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\" = 351))
  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 FTW98LA171Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Cushing, OKThe total loss of engine power resulting from a sheared accessory drive due to an undetermined reason. A factor was the lack of suitable terrain for the forced landing.Apr 4, 1998 · N8984Q · Substantial damageNTSB MIA96LA183Accident · No injuriesLimited investigationFinal reportRockwell S2R · Belzoni, MSfatigue failure of the #5 cylinder skirt, which resulted in debris that caused the oil scavenge pump to fail, oil starvation, cam drive seizure, loss of engine power, and a subsequent forced landing in a field of cotton.Jul 13, 1996 · N3695X · Substantial damageNTSB SEA95LA143Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Odessa, WALoss of engine power due to a cracked cylinder.Jul 6, 1995 · N3662X · Substantial damageNTSB LAX94LA327Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Firebaugh, CAthe loss of engine power due to the failure of the number 2 cylinder head. A factor was the dark night conditions which inhibited the pilot's ability to visually detect ground obstructions in the landing area.Aug 19, 1994 · N8843Q · Substantial damageNTSB FTW94LA164Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Monticello, ARThe loss of engine power due to the number 2 cylinder cracking. A factor was the lack of suitable terrain for the forced landing.May 17, 1994 · N4080X · Substantial damageNTSB SEA94LA116Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Dayton, WATotal failure of the connecting rod.May 7, 1994 · N5646X · Substantial damageNTSB MIA89LA166Accident · Serious injuriesLimited investigationFinal reportAyres S2R · Lambert, MSFailure of the engine impeller. The ditch in the emergency landing area was a related factor.May 28, 1989 · N5543X · DestroyedNTSB SEA88LA090Accident · No injuriesLimited investigationFinal reportAyres S2R Thrush · Lind, WADuring an aerial application maneuver, a total loss of power occurred due to the number nine cylinder failing. A restart was attempted, but was unsuccessful. The pilot made a forced landing onto a very soft sandy field, where the aircraft nosed over inverted…May 10, 1988 · N5660X · Substantial damageNTSB MKC88LA071Accident · No injuriesLimited investigationFinal reportRockwell S2-R · Stuttgart, ARDuring a post maintenance test flt, PIC experienced a power loss shortly after lift off. The acft crashed nose low, in a left turn. The engine was thrown clear of the airframe. Post accident inspection of the propeller blades indicated a minimum amount of…Mar 25, 1988 · N5563X · Substantial damageNTSB MKC86LA162Accident · No injuriesLimited investigationFinal reportAero Commander S-2R · Dumas, ARThe pilot stated that after takeoff, during initial climb, he heard grinding metal and smelled hot metal before the engine slowed down and seized. After crash landing in a corn field, the pilot further stated, he noticed smoke coming from the engine…Jul 28, 1986 · N5694X · DestroyedNTSB MKC86LA121Accident · No injuriesLimited investigationFinal reportAero Commander S-2R · Pocahontas, ARThe pilot stated that this was his third flight of the morning with a full load of fertilizer. Reportedly, he was in the process of aerial application, when the engine quit. He made a forced landing on a short field road. He further stated that the ground…May 31, 1986 · N8896Q · Substantial damageNTSB SEA85LYA01Accident · No injuriesFinal reportRockwell S2R · Caldwell, IDAn aero commander S2R had been modified by the installation of an air research TPE-331-43A power plant. During an aerial application flight the pilot heard a loud bang and experienced a loss of power. Investigation revealed the first stage turbine whee, part…Aug 4, 1985 · N5511X · Substantial damageNTSB MKC85LA151Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Paragould, ARThe acft was being used in aerial application of ordram when engine failed. A hard landing resulted during the forced landing in an open fld. Investigation revealed the float needle seat ass'y backed out of the threads in the main body of the carburetor FAR…Jul 3, 1985 · N5543X · Substantial damageNTSB ATL85LKG04Accident · No injuriesFinal reportAero Commander S2R · Leslie, GAThe acft lost power en route to spray crops & crash landed in a wooded area. The acft had flown only 2 miles when the power loss occurred. During the post accident investigation an exam of the powerplant & systems revealed that the supercharger had a loose…Apr 10, 1985 · N8834Q · DestroyedNTSB FTW83LA404Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Katy, TXThe acft was damaged in a forced landing following engine failure after takeoff. The plt stated that a supercharger bearing failure caused the engine to fail. During the landing in a flooded rice field the landing gear collapsed.Aug 30, 1983 · N3696X · Substantial damageNTSB FTW82DPG17Accident · No injuriesFinal reportRockwell S2R · Blackton, ARThe eng failed during a swath run & the acft struck a rice levee drg the forced landing in an adjacent bean field. After exiting the aircraft and while talking to his flagman the pilot stated the aircraft began to burn around the engine area. The fire spread…Jul 8, 1982 · N1762S · Destroyed