NTSB investigations: Waco UPF-7
6 cases on aircraft the registry lists as Waco UPF-7, where the first occurrence was “Loss of engine power”. 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
| 1986 | 1 |
|---|---|
| 1988 | 2 |
| 1991 | 1 |
| 1995 | 1 |
| 1998 | 1 |
Where
Open the mapLatest 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 ('9601302')
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\" = 350))
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 ('9601302')
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" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 MIA98LA217Accident · Minor injuriesLimited investigationFinal reportWaco UPF-7 · Key West, FLA loss of engine power due to undetermined reasons, resulting in an inadvertent stall at too low an altitude to allow recovery.NTSB ANC95LA143Accident · Serious injuriesLimited investigationFinal reportWaco UPF-7 · Anchorage, AKThe pilot's inadequate preflight planning/preparation, which resulted in an unlocked engine primer and subsequent loss of engine power.NTSB MIA91LA147Accident · No injuriesLimited investigationFinal reportWaco UPF-7 · Key West, FLA momentary loss of engine power due to undetermined reasons.NTSB NYC88LA179Accident · No injuriesLimited investigationFinal reportWaco UPF-7 · Plymouth, NHThe plt reported that the eng lost power during takeoff as the acft was climbing thru about 200 to 250 ft AGL. Unable to restore power, he turned to land in a corn field, but was unable to reach it. He then selected a smaller field, but during the landing,…NTSB MIA88LA106Accident · Serious injuriesLimited investigationFinal reportWaco UPF-7 · St Petersburg, FLThe plt stated that while on apch to land, the engine lost power. During an attempt to land on runway 36 the acft stalled & nosed in from an approximate 50 foot altitude. No determination could be made as to the nature of the malfunction of the engine as…NTSB DEN86LA215Accident · Minor injuriesLimited investigationFinal reportWaco UPF-7 · Laramie, WYThe plt stated that a flt from California to Laramie was uneventful. The acft was then refueled and he departed to the east. Shortly after takeoff, the engine began to lose power and the cockpit filled with smoke. The plt executed an emergency landing next to…