NTSB investigations: Piper PA-20-135

6 cases on aircraft the registry lists as Piper PA-20-135, 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.

Cases per year

19842026
NTSB investigations: Piper PA-20-135 per year, 1984–2026: 6 cases
19841
19881
20021
20041
20061
20071

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 ('7102010')
      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.

NTSB MIA07CA118Accident · No injuriesData collectionFinal reportPiper PA-20-135 · State College, PAThe failure of the pilot to maintain directional control of the airplane.Jul 7, 2007 · N1576A · Substantial damageNTSB ANC07CA004Accident · No injuriesData collectionFinal reportPiper PA-20-135 · Anchorage, AKThe pilot's failure to maintain directional control during the landing roll, which resulted in an inadvertent ground loop and encounter with terrain. Factors associated with the accident were the ground loop and inadequate main wheel brakes.Oct 23, 2006 · N3404A · Substantial damageNTSB SEA04LA115Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Deer Park, WAThe flight instructor's delayed remedial action. Factors include the owner/pilot's failure to maintain directional control during the landing roll, and a warped/realigned fuselage that contributed to the sensitivity of the aircraft's response to pilot rudder…Jun 23, 2004 · N699DS · Substantial damageNTSB NYC02LA058Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Fremont, OHDamage to the right tire, which resulted in a sudden loss of tire pressure and a loss of directional control.Feb 9, 2002 · N2254A · Substantial damageNTSB LAX89LA051Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Chino, CAThe plt lost directional control of the acft during the landing roll and ground looped. The flight instructor reported that this was the first landing of the day and that they were staying in the traffic pattern to practice touch and go landings on rwy 26.…Nov 19, 1988 · N1441C · Substantial damageNTSB ANC84FA056Accident · Minor injuriesField investigationFinal reportPiper PA-20 · Anchorage, AKThe acft veered during takeoff roll and left the right side of the rwy after about 200 ft of roll. The left main landinggear collapsed and separated from the acft.Apr 14, 1984 · N7070K · Substantial damage