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NTSB investigations: American AA-1

7 cases on aircraft the registry lists as American AA-1, 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

19822026

Where

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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 ('0630610')
      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 CHI07LA170Accident · Serious injuriesLimited investigationFinal reportAmerican AA-1 · Lansing, ILThe loss of engine power during takeoff-initial climb due to a bent exhaust valve and fouled spark plugs.Jun 17, 2007 · N5651L · Substantial damageNTSB DEN04LA110Accident · Serious injuriesLimited investigationFinal reportAmerican AA-1 · Guernsey, WYthe pilot's inadequate use of carburetor heat which resulted in the formation of carburetor ice and loss of engine power. Factors contributing to the accident were weather conditions conducive for carburetor icing, and a lack of suitable terrain for a forced…Jul 25, 2004 · N5667L · DestroyedNTSB LAX04LA022Accident · Serious injuriesLimited investigationFinal reportAmerican AA-1 · San Martin, CAThe absence of compression in two of the airplane's four cylinders, and the pilot/mechanic's failure to maintain the engine in an airworthy condition, which resulted in a loss of engine power during takeoff-initial climb, and subsequent forced landing.Oct 22, 2003 · N5968L · Substantial damageNTSB ATL93LA149Accident · Minor injuriesLimited investigationFinal reportAmerican AA-1 · Tuscaloosa, ALFouled spark plugs on the number 2 and 3 cylinders, and a lack of compression on the number 1 and 4 cylinders, which resulted in a loss of engine power. A factor was the high vegetation at the forced landing site.Sep 4, 1993 · N5765L · Substantial damageNTSB NYC83LA223Accident · No injuriesLimited investigationFinal reportAmerican AA-1 · Dunkirk, NYAt aprx 0955 EDT, the plt took off from schenectady, NY with 24 gal of fuel on board. About 2 1/2 hrs later, while on a downwind to land at Dunkirk, NY, he applied carburetor heat & then the eng lost power. The carburetor heat was shut off & a restart was…Aug 24, 1983 · N5686L · Substantial damageNTSB CHI83FAMS1Accident · 1 fatalMissing aircraftFinal reportGrumman AA-1 · Manitowoc, WIThe acft disappeared from radar contact while over lake Michigan. This acft had departed baltimore MD at 1142 CDT to flyto Manitowoc, WI. The last enroute stop for fuel was at muskegon mi at 2040 CDT. The weather was VMC but the night was dark. No flt plan…Jul 9, 1983 · N6214L · DestroyedNTSB FTW82DA352Accident · Minor injuriesFinal reportGrumman AA-1 · Pearland, TXThe pilot reported that during an engine run-up, before takeoff, the engine ran rough on one magneto. He did not state which. He reported that after the engine was leaned, the roughness disappeared and a takeoff was made. He stated that after lift off, thrust…Aug 29, 1982 · N5788L · Substantial damage