# Fatal NTSB investigations: Lycoming GO-480 series

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.

## Latest cases

- [NTSB WPR19FA096](https://openairdocs.org/ntsb/WPR19FA096.md): Beech 50 · Riverside, CA · Accident · 1 fatal · Class 3 · Field · Final report · Mar 16, 2019 · N800DC · Substantial damage
  > The pilot’s failure to maintain airspeed and control of the airplane following a loss of right engine power for reasons that could not be determined based on the available information.
- [NTSB WPR18FA198](https://openairdocs.org/ntsb/WPR18FA198.md): Ryan Navion · Truckee, CA · Accident · 2 fatal · Field investigation · Final report · Jul 17, 2018 · N5329K · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB ERA13FA225](https://openairdocs.org/ntsb/ERA13FA225.md): Grumman G-44 · Catskill, NY · Accident · 1 fatal · Field investigation · Final report · May 2, 2013 · N8AS · Destroyed
  > The pilot’s misjudgment of the airplane’s altitude above the water and early flare for a landing on water with a glassy condition, which led to the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.
- [NTSB FTW04WA203](https://openairdocs.org/ntsb/FTW04WA203.md): Helio H-295 · La Campa, Honduras · Accident · 1 fatal · Foreign investigation · Jul 31, 2004 · N6347V · Destroyed
- [NTSB IAD04LA016](https://openairdocs.org/ntsb/IAD04LA016.md): Pilatus P3-05 · Edgewater, FL · Accident · 2 fatal · Limited investigation · Final report · Apr 10, 2004 · N860MK · Destroyed
  > The delamination of the no. 2 connecting rod bearing for undetermined reasons, resulting in a total loss of engine power. A factor in the accident was the pilot's inability to complete a successful forced landing due to oil on the windscreen, and smoke and…
- [NTSB NYC99FA126](https://openairdocs.org/ntsb/NYC99FA126.md): Beech D50C · Montgomery, NY · Accident · 2 fatal · Field investigation · Final report · May 30, 1999 · N401JD · Substantial damage
  > The pilot-in-command's failure to maintain adequate airspeed while maneuvering in the traffic pattern, which resulted in an inadvertent stall/spin.
- [NTSB SEA96FA201](https://openairdocs.org/ntsb/SEA96FA201.md): Beech D50 · Seattle, WA · Accident · 1 fatal · Field investigation · Final report · Aug 24, 1996 · N567SF · Substantial damage
  > failure of the pilot to follow proper emergency procedures (properly configure the airplane and feather the appropriate propeller) after loosing power in one engine, which resulted in his inability to maintain altitude until reaching an airport. Factors…
- [NTSB SEA95FA212](https://openairdocs.org/ntsb/SEA95FA212.md): Aero Commander 560 · Ketchum, ID · Accident · 2 fatal · Field investigation · Final report · Sep 8, 1995 · N731R · Destroyed
  > The pilot-in-command's failure to maintain adequate airspeed during a turn resulting in a stall/spin. Factors contributing to the accident were the pilot-in-command's becoming geographically disoriented as well as his improper in-flight decision, and…
- [NTSB SEA91LA034](https://openairdocs.org/ntsb/SEA91LA034.md): Beech D50C · Snohomish, WA · Accident · 1 fatal · Limited investigation · Final report · Dec 15, 1990 · N833Q · Substantial damage
  > The obstruction (protruding door support bracket) in the doorway of the aircraft; failure of the company/operator personnel, the pilot, and the skydivers to assure that the doorway was clear of obstructions; and subsequent snagging of the d-ring, which…
- [NTSB LAX86FA085](https://openairdocs.org/ntsb/LAX86FA085.md): Beech D-50 · Santa Rosa, CA · Accident · 1 fatal · Field investigation · Final report · Jan 9, 1986 · N666GK · Destroyed
  > The plt, who was the mechanic for the acft & who possesses FAA inspection authorization, was familiar with this acft and had flown it the day before the accident. The plt failed to refuel the acft after making two additional flts. The main fuel tank gages…
- [NTSB ANC83FA126](https://openairdocs.org/ntsb/ANC83FA126.md): Helio H395 · Fairbanks, AK · Accident · 1 fatal · Field investigation · Final report · Jul 20, 1983 · N4156D · Substantial damage
  > Takeoff was from a dirt driveway which had a usable length 0F 330 ft before it curved north. Before takeoff, the plt hadbent several small trees back away from the driveway & tied them down so they would not interfere with the takeoff. There are numerous…
- [NTSB CHI81FA057](https://openairdocs.org/ntsb/CHI81FA057.md): Aero Comdr 560 · Walkerton, IN · Accident · 1 fatal · Closed · May 24, 1981 · N272GD · Destroyed
- [NTSB DEN80FA022](https://openairdocs.org/ntsb/DEN80FA022.md): Aero Comdr 560 · Magdalena, NM · Accident · 1 fatal · Closed · Jan 30, 1980 · N560E · Destroyed
- [NTSB MIA80DA020](https://openairdocs.org/ntsb/MIA80DA020.md): Beech D50B · Missing Aircraft · Accident · 1 fatal · Closed · Nov 19, 1979 · N1706 · Destroyed
- [NTSB NYC79FA063](https://openairdocs.org/ntsb/NYC79FA063.md): Aero Comdr 560A · Pavilion, NY · Accident · 1 fatal · Closed · Jul 21, 1979 · N2748B · Destroyed
- [NTSB LAX79FA049](https://openairdocs.org/ntsb/LAX79FA049.md): Beech D-50 · Julian, CA · Accident · 5 fatal · Closed · May 5, 1979 · N16MM · Destroyed
- [NTSB FTW79FA043](https://openairdocs.org/ntsb/FTW79FA043.md): Aero Comdr 560 · Oklahoma City, OK · Accident · 1 fatal · Closed · Jan 18, 1979 · N2684B · Destroyed
- [NTSB MIA79FA114](https://openairdocs.org/ntsb/MIA79FA114.md): Aero Comdr 560E · Bimini, Burkina Faso · Accident · 6 fatal · Closed · Aug 8, 1978 · N6227B · Destroyed
- [NTSB DEN78FA040](https://openairdocs.org/ntsb/DEN78FA040.md): Beech D50C · Wheatland, WY · Accident · 4 fatal · Closed · May 4, 1978 · N320Z · Destroyed
- [NTSB UNK78X0113](https://openairdocs.org/ntsb/UNK78X0113.md): Na Rockwell 560 · Nassau, Burkina Faso · Accident · 5 fatal · Closed · Apr 3, 1978 · N343P · Destroyed
- [NTSB DEN78FA024](https://openairdocs.org/ntsb/DEN78FA024.md): Aero Comdr 560A · Glenrock, WY · Accident · 6 fatal · Closed · Feb 19, 1978 · N2639B · Destroyed
- [NTSB MIA76AM093](https://openairdocs.org/ntsb/MIA76AM093.md): Beech D50 · Missing Aircraft · Accident · 2 fatal · Closed · Jun 4, 1976 · N1157 · Destroyed
- [NTSB NYC76AN085](https://openairdocs.org/ntsb/NYC76AN085.md): Aero Comdr 560E · Reading, PA · Accident · 1 fatal · Closed · Mar 4, 1976 · N3842C · Destroyed
- [NTSB DEN71AD003](https://openairdocs.org/ntsb/DEN71AD003.md): Beech C50 · Kemmerer, WY · Accident · 1 fatal · Closed · Jul 31, 1970 · N7704 · Destroyed
- [NTSB ANC70A0005](https://openairdocs.org/ntsb/ANC70A0005.md): Grumman G-44A · Barrow, AK · Accident · 2 fatal · Closed · Jul 13, 1969 · N58Q · Destroyed
- [NTSB NYC67F0398](https://openairdocs.org/ntsb/NYC67F0398.md): Piaggio P136L1 · Sandston, VA · Incident · 1 fatal · Closed · Oct 10, 1966 · N16160 · No damage
- [NTSB UNK64X3833](https://openairdocs.org/ntsb/UNK64X3833.md): Aero Comm 560 · Norcross, GA · Accident · 2 fatal · Closed · Sep 6, 1964 · N2680B · Destroyed

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41527'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41527&fatal=1

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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.