# NTSB investigations: Lycoming TVO-435-GIA NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 4 of 6 · 286 cases ## Cases, newest first - [NTSB IAD77DA011](https://openairdocs.org/ntsb/IAD77DA011.md): Bell 47G-2 · Pigeon Forge, TN · Accident · 1 fatal · Closed · Nov 6, 1976 · N6755D · Destroyed - [NTSB SEA77FTI01](https://openairdocs.org/ntsb/SEA77FTI01.md): Bell 47J-2 · Quake Lake, MT · Accident · No injuries · Closed · Oct 31, 1976 · N2835B · Substantial damage - [NTSB SEA76DYG74](https://openairdocs.org/ntsb/SEA76DYG74.md): Bell 47G-3B · Cashmere, WA · Accident · No injuries · Closed · Sep 15, 1976 · N6712D · Substantial damage - [NTSB DEN76FTE94](https://openairdocs.org/ntsb/DEN76FTE94.md): Bell 47G3B2 · Aspen, CO · Accident · Serious injuries · Closed · Aug 24, 1976 · N4074G · Destroyed - [NTSB SEA76DYA36](https://openairdocs.org/ntsb/SEA76DYA36.md): Bell 47G3B2 · Gooding, ID · Accident · No injuries · Closed · Jul 8, 1976 · N1424W · Substantial damage - [NTSB SEA76FYA24](https://openairdocs.org/ntsb/SEA76FYA24.md): Bell 47G3B1 · Burley, ID · Accident · No injuries · Closed · May 17, 1976 · N47042 · Substantial damage - [NTSB SEA76DYE41](https://openairdocs.org/ntsb/SEA76DYE41.md): Bell 47G-3B · Forks, WA · Accident · Minor injuries · Closed · May 12, 1976 · N3794G · Substantial damage - [NTSB SEA76FYG50](https://openairdocs.org/ntsb/SEA76FYG50.md): Bell 47G-3B · Spokane, WA · Accident · No injuries · Closed · May 10, 1976 · N58131 · Substantial damage - [NTSB LAX76DVA56](https://openairdocs.org/ntsb/LAX76DVA56.md): Bell 47G3B1 · Coalinga, CA · Accident · No injuries · Closed · Apr 29, 1976 · N73959 · Substantial damage - [NTSB LAX76DVA21](https://openairdocs.org/ntsb/LAX76DVA21.md): Bell 47G3B1 · Fellows, CA · Accident · No injuries · Closed · Oct 17, 1975 · N3079G · Substantial damage - [NTSB IAD76II014](https://openairdocs.org/ntsb/IAD76II014.md): Bell 47G-2 · Pigeon Forge, TN · Incident · No injuries · Closed · Aug 29, 1975 · N6755D · Minor damage - [NTSB DEN76FTE18](https://openairdocs.org/ntsb/DEN76FTE18.md): Bell 47G3B1 · Denver, CO · Accident · No injuries · Closed · Aug 24, 1975 · N90769 · Substantial damage - [NTSB LAX76AL009](https://openairdocs.org/ntsb/LAX76AL009.md): Bell 47G3B1 · Mt.Baldy, CA · Accident · Serious injuries · Closed · Aug 5, 1975 · N1358X · Substantial damage - [NTSB CHI76FEV02](https://openairdocs.org/ntsb/CHI76FEV02.md): Bell 47G · Forsyth, IL · Accident · No injuries · Closed · Jul 11, 1975 · N7924S · Substantial damage - [NTSB OAK76DXQ05](https://openairdocs.org/ntsb/OAK76DXQ05.md): Bell 47G3B1 · Mommoth Lakes, CA · Accident · No injuries · Closed · Jul 8, 1975 · N1358X · Substantial damage - [NTSB LAX75FVA66](https://openairdocs.org/ntsb/LAX75FVA66.md): Bell 47G3B2 · Bakersfied, CA · Accident · Serious injuries · Closed · May 23, 1975 · N2906W · Destroyed - [NTSB DEN75FTE54](https://openairdocs.org/ntsb/DEN75FTE54.md): Bell 47G3B1 · Montrose, CO · Accident · No injuries · Closed · Mar 4, 1975 · N1362X · Substantial damage - [NTSB DEN75DQA29](https://openairdocs.org/ntsb/DEN75DQA29.md): Bell 47G-3B · Dexter, NM · Accident · No injuries · Closed · Jan 29, 1975 · N73248 · Substantial damage - [NTSB LAX75FVW12](https://openairdocs.org/ntsb/LAX75FVW12.md): Bell 47G3B1 · Trona, CA · Accident · No injuries · Closed · Jan 9, 1975 · N1359X · Destroyed - [NTSB DEN75FQA24](https://openairdocs.org/ntsb/DEN75FQA24.md): Bell 47G3B2 · Albuquerque, NM · Accident · Serious injuries · Closed · Dec 17, 1974 · N4730R · Substantial damage - [NTSB DEN75ATM08](https://openairdocs.org/ntsb/DEN75ATM08.md): Bell 47G-3B · Kamas, UT · Accident · No injuries · Closed · Dec 16, 1974 · N73218 · Substantial damage - [NTSB OAK75DVA30](https://openairdocs.org/ntsb/OAK75DVA30.md): Bell 47G3B2 · Big Creek, CA · Accident · Minor injuries · Closed · Oct 18, 1974 · N7986J · Destroyed - [NTSB SEA75DYG12](https://openairdocs.org/ntsb/SEA75DYG12.md): Bell 47G-2 · Ruff, WA · Accident · No injuries · Closed · Sep 11, 1974 · N3794G · Substantial damage - [NTSB DEN75AD009](https://openairdocs.org/ntsb/DEN75AD009.md): Bell 47G3B1 · Ogden, UT · Accident · 1 fatal · Closed · Sep 5, 1974 · N73972 · Destroyed - [NTSB OAK75DXQ19](https://openairdocs.org/ntsb/OAK75DXQ19.md): Bell 47G3B1 · Soda Sprngs, CA · Accident · No injuries · Closed · Aug 15, 1974 · N7829S · Substantial damage - [NTSB DEN75FQD06](https://openairdocs.org/ntsb/DEN75FQD06.md): Bell 47G3B2 · Mesquite, NM · Accident · No injuries · Closed · Jul 29, 1974 · N4730R · Substantial damage - [NTSB SEA74DTI29](https://openairdocs.org/ntsb/SEA74DTI29.md): Bell 47G3B1 · Lima, MT · Accident · No injuries · Closed · Jun 16, 1974 · N7928S · Substantial damage - [NTSB MKC74FCQ41](https://openairdocs.org/ntsb/MKC74FCQ41.md): Bell 47G-3B · Dodge City, KS · Accident · No injuries · Closed · Jun 10, 1974 · N1380X · Substantial damage - [NTSB DEN74DQA42](https://openairdocs.org/ntsb/DEN74DQA42.md): Bell 47G3B2 · Farmington, NM · Accident · No injuries · Closed · Apr 30, 1974 · N58131 · Substantial damage - [NTSB LAX74DUJ75](https://openairdocs.org/ntsb/LAX74DUJ75.md): Bell 47G3B1 · Supai, AZ · Accident · No injuries · Closed · Feb 25, 1974 · N1321X · Substantial damage - [NTSB SEA74DTI18](https://openairdocs.org/ntsb/SEA74DTI18.md): Bell 47G3B1 · Conrad, MT · Accident · No injuries · Closed · Feb 24, 1974 · N7936S · Substantial damage - [NTSB SEA74DYA12](https://openairdocs.org/ntsb/SEA74DYA12.md): Bell 47G-3B · New Meadows, ID · Accident · Serious injuries · Closed · Oct 2, 1973 · N73909 · Destroyed - [NTSB DEN74DQA06](https://openairdocs.org/ntsb/DEN74DQA06.md): Bell 47G3B2 · Luna, NM · Accident · No injuries · Closed · Jul 11, 1973 · N58131 · Substantial damage - [NTSB DEN73AD055](https://openairdocs.org/ntsb/DEN73AD055.md): Bell 4G3B2A · Luna, NM · Accident · 1 fatal · Closed · Jun 19, 1973 · N83111 · Substantial damage - [NTSB DEN73FQA46](https://openairdocs.org/ntsb/DEN73FQA46.md): Bell 47G-3B · Cuba, NM · Accident · No injuries · Closed · Jun 13, 1973 · N4727R · Substantial damage - [NTSB DEN73DTM30](https://openairdocs.org/ntsb/DEN73DTM30.md): Bell 47G3B1 · Magna, UT · Accident · Minor injuries · Closed · Jun 12, 1973 · N8532F · Destroyed - [NTSB DEN73FTE92](https://openairdocs.org/ntsb/DEN73FTE92.md): Bell 47G3B1 · Carbondale, CO · Accident · No injuries · Closed · Jun 9, 1973 · N1357X · Substantial damage - [NTSB SEA73FTA06](https://openairdocs.org/ntsb/SEA73FTA06.md): Bell 47G-3B · Billings, MT · Accident · No injuries · Closed · Apr 23, 1973 · N204Z · Substantial damage - [NTSB DEN73AD039](https://openairdocs.org/ntsb/DEN73AD039.md): Bell 47G3B1 · Salt Lake City, UT · Accident · No injuries · Closed · Feb 21, 1973 · N73972 · Substantial damage - [NTSB OAK73FVG48](https://openairdocs.org/ntsb/OAK73FVG48.md): Bell 47G3B1 · Gridley, CA · Accident · No injuries · Closed · Feb 18, 1973 · N73288 · Substantial damage - [NTSB DEN73AD015](https://openairdocs.org/ntsb/DEN73AD015.md): Bell 47G3B1 · Hayden, CO · Accident · No injuries · Closed · Oct 3, 1972 · N1397X · Substantial damage - [NTSB SEA73FYG13](https://openairdocs.org/ntsb/SEA73FYG13.md): Bell 47-G2A · Selah, WA · Accident · 1 fatal · Closed · Sep 23, 1972 · N73284 · Substantial damage - [NTSB OAK73DVD01](https://openairdocs.org/ntsb/OAK73DVD01.md): Bell 47 · Monte Rio, CA · Accident · No injuries · Closed · Jul 1, 1972 · N8186J · Substantial damage - [NTSB OAK72DVA91](https://openairdocs.org/ntsb/OAK72DVA91.md): Bell 47G3B1 · Springville, CA · Accident · No injuries · Closed · Jun 29, 1972 · N3096G · Substantial damage - [NTSB SEA72DYG40](https://openairdocs.org/ntsb/SEA72DYG40.md): Bell 47G2 · Moses Lake, WA · Accident · No injuries · Closed · May 26, 1972 · N6712D · Destroyed - [NTSB FTW72AF077](https://openairdocs.org/ntsb/FTW72AF077.md): Bell 47G3B2 · Yukon, OK · Accident · Minor injuries · Closed · May 15, 1972 · N2905W · Substantial damage - [NTSB LAX72DVA70](https://openairdocs.org/ntsb/LAX72DVA70.md): Bell 47G-3B · Lebec, CA · Accident · No injuries · Closed · May 10, 1972 · N1360X · Substantial damage - [NTSB LAX72FUQ85](https://openairdocs.org/ntsb/LAX72FUQ85.md): Bell 47G-3B · La Canada, CA · Accident · Minor injuries · Closed · May 9, 1972 · N7959J · Destroyed - [NTSB SEA72FTA17](https://openairdocs.org/ntsb/SEA72FTA17.md): Bell 47G-3B · Harlowton, MT · Accident · No injuries · Closed · Apr 27, 1972 · N204Z · Substantial damage - [NTSB LAX72FUJ88](https://openairdocs.org/ntsb/LAX72FUJ88.md): Bell 47G3B1 · Gila Bend, AZ · Accident · No injuries · Closed · Mar 24, 1972 · N1333X · Substantial damage Next page: https://openairdocs.org/ntsb.md?engine=41526&page=5 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 ('41526')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41526&page=4 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.