NTSB investigations: Piper PA-11

6 cases on aircraft the registry lists as Piper PA-11, 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: Piper PA-11 per year, 1987–2026: 6 cases
1987	2
1990	1
1999	1
2003	1
2006	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 ('7101102', '7101106') 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 ('7101102', '7101106')
      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 ('7101102', '7101106')
    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 SEA06CA144Accident · No injuriesData collectionFinal reportPiper PA-11 · Turner, MTThe passenger's inadvertent activation of the airplane's brakes during the landing roll, resulting in the pilot's loss of control and subsequent nose over. A factor was the pilot's inadequate preflight planning/preparation by not briefing the passenger about…Jul 15, 2006 · N4706H · Substantial damage NTSB LAX04LA071Accident · No injuriesLimited investigationFinal reportPiper PA-11 · Gilbert, AZthe pilot's failure to maintain control of the airplane during the landing touchdown in soft terrain. A contributing factor was the pilot's selection of unsuitable terrain for landing.Dec 17, 2003 · N5516H · Substantial damage NTSB NYC99LA117Accident · No injuriesLimited investigationFinal reportPiper PA-11 · Leesburg, VAThe pilot-in-command's (CFI) failure to maintain control of the airplane.May 21, 1999 · N78659 · Substantial damage NTSB MKC90LA096Accident · No injuriesLimited investigationFinal reportPiper PA-11 · Thedford, NEThe pilot in command's failure to compensate for wind while landing resulting in loss of directional control and collision with terrain.Apr 24, 1990 · N78812 · Substantial damage NTSB DEN87LA223Accident · No injuriesLimited investigationFinal reportPiper PA-11 · Longmont, COThe plt was attempting to land his rented acft on runway 29 at Longmont municipal airport when the acft touched down, bounced, veered off of the runway, struck a VASI light, and nosed over.Aug 20, 1987 · N4700M · Substantial damage NTSB NYC87LA207Accident · Minor injuriesLimited investigationFinal reportPiper PA-11 · Andover, NJThe pilot lost directional control during landing roll. As the aircraft drifted left of the runway, power was added for a go-around but the aircraft was left of the rwy. The left wing strut hit the wing of a Cessna 150 in an attempt to avoid colliding with…Jul 16, 1987 · N6346 · Destroyed