NTSB investigations: Piper PA-18-135

9 cases on aircraft the registry lists as Piper PA-18-135, where the first occurrence was “In flight collision with terrain/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-18-135 per year, 1984–2026: 9 cases
19841
19871
19911
19931
19941
19951
19961
20021
20061

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 ('7101820')
      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\" = 230))
  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 SEA06CA061Accident · No injuriesData collectionFinal reportPiper PA-18 · Saint Paul, ORThe pilot's failure to maintain a proper glide path on final approach to landing resulting in a nose over. A factor was the loose gravel/sandy condition.Mar 5, 2006 · N1991A · Substantial damageNTSB ATL02LA047Accident · No injuriesLimited investigationFinal reportPiper PA -18 · Winter Haven, FLThe pilot's improper flare during an attempted landing on water. A factor was glassy water.Feb 12, 2002 · N8553C · Substantial damageNTSB SEA97LA036Accident · 2 fatalLimited investigationFinal reportPiper PA18-135 · Cohagen, MTThe pilot's failure to maintain airspeed. Factors were the intentional flight at a low altitude and the over gross condition of the airplane.Dec 5, 1996 · N62100 · Substantial damageNTSB ANC95LA093Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Tyonek, AKThe pilot's failure to maintain clearance from tall vegetation during a low pass.Jun 28, 1995 · N5238N · Substantial damageNTSB CHI95FA002Accident · 2 fatalField investigationFinal reportPiper PA-18-135 · Martinsville, INThe pilot's impairment of judgment and performance due to alcohol, improper planning/decision, and failure to maintain sufficient altitude/clearance above the ground.Oct 2, 1994 · N99305 · DestroyedNTSB ANC94LA004Accident · Minor injuriesLimited investigationFinal reportPiper PA-18 · Bear Creek, AKThe pilot's delayed go-around procedure. A factor in the accident was the improper use of carburetor heat during the go-around.Oct 4, 1993 · N2765A · Substantial damageNTSB LAX91LA321Accident · No injuriesLimited investigationFinal reportPiper PA 18-135 · Gerlach, NVThe failure of the pilot to maintain adequate terrain clearance by the selection of an inappropriate cruise altitude resulting in an in flight collision with terrain.Jul 21, 1991 · N9977Q · Substantial damageNTSB SEA87LA187Accident · Serious injuriesLimited investigationFinal reportPiper PA-18 · John Day, ORPlt departed hay field in hi density alt conds. The pilot was unable to clear trees and stalled/mushed into terrain, collapsing gear and colliding with trees.Sep 14, 1987 · N1394V · DestroyedNTSB ANC84FA074Accident · 2 fatalField investigationFinal reportPiper PA-18 · Sleetmute, AKAccording to witnesses, the plt made 3 low passes at some boats in Sleetmute slough. They estimated the passes were at 5 to 10 ft above the water, then the plt would pull up in a steep climb attitude, execute a 180 deg turn and make another pass. After the…May 22, 1984 · N1378C · Substantial damage