NTSB investigations: Franklin 6V4 series, WA
16 cases on aircraft whose registry engine model is Franklin 6V4 series. 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
| 1964 | 1 |
|---|---|
| 1965 | 1 |
| 1966 | 1 |
| 1969 | 1 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1981 | 1 |
| 1983 | 1 |
| 1987 | 1 |
| 1989 | 1 |
| 1992 | 1 |
| 2012 | 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.\"eventStateOrRegion\" = 'WA' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27033'))
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" = 'WA' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27033'))
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 WPR12LA244Accident · No injuriesLimited investigationFinal reportHiller UH-12B · Pasco, WAThe pilot's failure to maintain the helicopter's rotor rpm while maneuvering at a low altitude over a fruit orchard.NTSB SEA92LA141Accident · No injuriesLimited investigationFinal reportBell-World 47D1 · Wenatchee, WACarburetor ice and the pilot in command's not being able to maintain clearance. Factors contributing to the accident were: carburetor icing conditions and tree(s).NTSB SEA89LA120Accident · Minor injuriesLimited investigationFinal reportBell 47G-2 · Centralia, WAThe pilot misjudged his clearance over trees, which resulted in an in-flight tail rotor strike with the trees and loss of tail rotor control. The trees were a related factor.NTSB SEA87LA172Accident · Serious injuriesLimited investigationFinal reportBell 47G2 · Grandview, WAAfter the completion of spray operations the pilot was attempting to place the helicopter onto a trailer. The pilot misjudged his position, over-corrected, and then lost control of the helicopter, striking the ground.NTSB SEA83LA069Accident · No injuriesLimited investigationFinal reportContinental Copters Mkiii · Pasco, WAWhile repositioning the helicopter from the ground onto a trailer the acft rolled over when the right skid caught onto the trailer.NTSB SEA81FYP12Accident · No injuriesClosedBell 47G-2 · Union Gap, WANTSB SEA78DYP35Accident · No injuriesClosedBell 47G · Anatone, WANTSB SEA77FYE19Accident · No injuriesClosedBell 47D1 · Enumclaw, WANTSB SEA76DYG01Accident · Minor injuriesClosedBell 47G-2 · Moses Lake, WANTSB SEA74DYE42Accident · No injuriesClosedBell 47G-2 · Centralia, WANTSB SEA74AYE04Accident · No injuriesClosedBell 47D · Anacortes, WANTSB SEA73FYG36Accident · Serious injuriesClosedBell Tomcat · Harrington, WANTSB SEA70F0019Accident · No injuriesClosedBell 47G · Stanwood, WANTSB SEA67A0042Accident · No injuriesClosedHiller UH-12C · Rosalia, WANTSB SEA66A0031Accident · No injuriesClosedHiller UH-12B · Federal Way, WANTSB UNK64X2935Accident · No injuriesClosedBell 47D1 · Toppenish, WA