NTSB investigations: Piper PA-20, CO

11 cases on aircraft the registry lists as Piper PA-20. 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

19642026

NTSB investigations: Piper PA-20, CO per year, 1964–2026: 11 cases
1964	3
1965	1
1966	1
1969	2
1971	1
2002	1
2004	1
2020	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."eventStateOrRegion" = 'CO' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102002')) 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.\"eventStateOrRegion\" = 'CO' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102002'))
  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."eventStateOrRegion" = 'CO' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102002'))
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 CEN20CA161Accident · No injuriesData collectionFinal reportPiper PA 20 · Colorado Springs, COThe flight instructor's improper landing flare, which resulted in a bounced landing, and his subsequent loss of directional control.Apr 26, 2020 · N1598A · Substantial damage NTSB DEN04LA133Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Hayden, COthe pilot's failure to maintain aircraft control during landing. Contributing factors include the excessive crosswind component, and the gusty wind conditions.Sep 3, 2004 · N7030K · Substantial damage NTSB DEN03LA005Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Watkins, COthe pilot's inability [not possible] to control the airplane during landing roll due to the failure of the left brake, and the subsequent inadvertent ground loop.Oct 9, 2002 · N7672K · Substantial damage NTSB DEN71FTE17Accident · Minor injuriesClosedPiper PA-20 · Usaf Academy, COJun 24, 1971 · N7783K · Substantial damage NTSB DEN70A0004Accident · 1 fatalClosedPiper PA-20 · Penrose, COJul 11, 1969 · N7375K · Destroyed NTSB DEN69D0223Accident · Minor injuriesClosedPiper PA-20 · Stmboat Sprg, COApr 29, 1969 · N7722K · Substantial damage NTSB DEN67D0050Accident · No injuriesClosedPiper PA-20 · Denver, COJul 7, 1966 · N7371K · Substantial damage NTSB DEN66F0100Accident · No injuriesClosedPiper PA-20 · Akron, COSep 14, 1965 · N6969K · Substantial damage NTSB UNK64X3035Accident · No injuriesClosedPiper PA-20 · Nucia, COJul 25, 1964 · N1561A · Substantial damage NTSB UNK64X2522Accident · No injuriesClosedPiper PA20 · Akron, COJun 27, 1964 · N1573A · Substantial damage NTSB UNK64X1988Accident · No injuriesClosedPiper PA20 · Center, COMay 28, 1964 · N6978K · Substantial damage