NTSB investigations: Volkswagen CONVERSION

7 cases on aircraft whose registry engine model is Volkswagen CONVERSION, where the first occurrence was “Loss of engine power(partial) - mech failure/malf”. 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

19852026
NTSB investigations: Volkswagen CONVERSION per year, 1985–2026: 7 cases
19852
19861
19921
19991
20021
20041

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.engine_model_code IN ('63501')
      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\" = 352))
  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 NYC05LA030Accident · No injuriesLimited investigationFinal reportDay VP-2 · Warrenton, VAA loss of engine power for an undetermined reason.Dec 8, 2004 · N19LC · Substantial damageNTSB CHI02LA297Accident · No injuriesLimited investigationFinal reportJonas Nieuport · Creve Coeur, MOThe installation of improper carburetor jets resulting in an improper fuel mixture and loss of engine power.Sep 28, 2002 · N678DJ · Substantial damageNTSB MIA99LA228Accident · No injuriesLimited investigationFinal reportWilliam John Schulz WJS Jaybird · Tangerine, FLthe pilot's improper torqueing of a rocker arm adjusting jam nut, that resulted in the adjuster loosening, and a partial loss of engine power. This resulted in the pilot making an off airport precautionary landing and subsequent nose over, during which the…Aug 10, 1999 · N735BS · Substantial damageNTSB FTW92LA096Accident · Minor injuriesLimited investigationFinal reportBurnett Teenie II · Edmond, OKPartial engine power loss due to cylinder failure. A factor was the lack of suitable terrain for the forced landing.Feb 29, 1992 · N5749 · Substantial damageNTSB DEN86LA236Accident · Serious injuriesLimited investigationFinal reportMayala Dragonfly · Helena, MTThe acft was on final apch after completing a x-country from billings, MT, when the accident occurred. The plt stated the acft was low after intercepting the VASI so power was added; however, the eng did not respond. The acft struck a small hill 300 ft short…Aug 25, 1986 · N4478V · Substantial damageNTSB NYC85LA259Accident · No injuriesLimited investigationFinal reportVolksplane VP-1 · Sharpsville, PAThe plt experienced a loss of eng RPM during cruise flt. He applied carb heat and lowered the nose of the acft in an attempt to regain eng RPM however, the eng continued to loose speed. The eng was below 2000 RPM and dropping when the plt elected to make a…Sep 8, 1985 · N4354 · Substantial damageNTSB FTW85LPJ03Accident · No injuriesFinal reportJames/Viking Dragonfly · Okmulgee, OKThe acft bounced 3 times during a landing after the engine failed to preduce full power for takeoff. After the 3rd bounce the rt canard broke off at the fuselage. The plt stated that the fuel filter was found to be blocked by some type of residue.Aug 23, 1985 · N45CJ · Substantial damage