# NTSB investigations: AiResearch 331 SER 605HP

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 ERA22FA086](https://openairdocs.org/ntsb/ERA22FA086.md): Swearingen SA226 · Bedford, NH · Accident · 1 fatal · Class 3 · Field · Final report · Dec 11, 2021 · N54GP · Destroyed
  > The pilot’s failure to secure and feather the left engine and increase power on the right engine after a perceived loss of engine power in the left engine, which resulted in a loss of control and impact with terrain just short of the runway. Contributing to…
- [NTSB GAA17CA457](https://openairdocs.org/ntsb/GAA17CA457.md): Swearingen SA26 · Hondo, TX · Accident · No injuries · Data collection · Final report · Jul 28, 2017 · N541GF · Substantial damage
  > The pilot’s failure to extend the landing gear before landing.
- [NTSB SEA05FA105](https://openairdocs.org/ntsb/SEA05FA105.md): Mitsubishi MU-2B-25 · Hillsboro, OR · Accident · 4 fatal · Field investigation · Final report · May 25, 2005 · N312MA · Substantial damage
  > The pilot's failure to obtain minimum controllable airspeed during the takeoff climb, which resulted in a loss of aircraft control when the left engine lost partial power. A fatigue failure to an oil tube, which resulted in the partial power loss to the left…
- [NTSB ATL05LA075](https://openairdocs.org/ntsb/ATL05LA075.md): Swearingen SA-26AT · Lawrenceville, GA · Accident · Minor injuries · Limited investigation · Final report · Apr 26, 2005 · N50KV · Substantial damage
  > The pilot's improper landing flare that resulted in a hard landing.
- [NTSB MIA04FA029](https://openairdocs.org/ntsb/MIA04FA029.md): Swearingen SA-26-AT · Jacksonville, FL · Accident · 1 fatal · Field investigation · Final report · Nov 27, 2003 · N698X · Substantial damage
  > The pilot's descent below decision height while performing an ILS approach with low ceilings and fog, resulting in an in-flight collision with trees and the ground. A factor associated with the accident was the pilot's decision to attempt the instrument…
- [NTSB FTW03LA209](https://openairdocs.org/ntsb/FTW03LA209.md): Pilatus PC-6/C-H2 · Vigo Park, TX · Accident · No injuries · Limited investigation · Final report · Aug 28, 2003 · N394R · Destroyed
  > The loss of propeller pitch control for undetermined reasons.
- [NTSB CHI02LA144](https://openairdocs.org/ntsb/CHI02LA144.md): Mitsubishi MU2B-20 · Belleville, MI · Accident · No injuries · Limited investigation · Final report · May 28, 2002 · N54CK · Substantial damage
  > The pilot's failure to verify the extension of the landing gear prior to landing, and his failure to perform the emergency landing gear extension procedure. The popped circuit breaker was a factor.
- [NTSB MIA98WA183](https://openairdocs.org/ntsb/MIA98WA183.md): Aero Commander 681 · Fresh Creek, Congo - Kinshasa · Accident · No injuries · Foreign investigation · Jun 7, 1998 · N100GL · Substantial damage
- [NTSB MIA95WA169](https://openairdocs.org/ntsb/MIA95WA169.md): Aero Commander 681 · Nassau, Bahamas · Accident · No injuries · Foreign investigation · Jun 30, 1995 · N70RF · Substantial damage
- [NTSB LAX94LA163](https://openairdocs.org/ntsb/LAX94LA163.md): Rockwell 681 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Mar 13, 1994 · N78CH · Substantial damage
  > the failure of the hydraulic and nitrogen system pressure lines, due to an inadequate maintenance inspection program, which failed to detect the corrosion condition of the lines.
- [NTSB MIA88WA074](https://openairdocs.org/ntsb/MIA88WA074.md): Mitsubishi MU-2B-30 · San Salvador, El Salvador · Accident · No injuries · Foreign investigation · Dec 23, 1987 · N255C · Substantial damage
- [NTSB ATL86IA190](https://openairdocs.org/ntsb/ATL86IA190.md): Swearingen SA-26AT · Waycross, GA · Incident · Minor injuries · Incident investigation · Final report · Jul 4, 1986 · N20EF · No damage
  > The pax had received instructions by the plt on how to open the cabin door. The acft was shut down on the ramp and the pax attempted to open the cabin door. The latch was turned; the door began to fall open and the pax caught the door step channel at a hinge…
- [NTSB FTW86FA015](https://openairdocs.org/ntsb/FTW86FA015.md): Mitsubishi MU-2B-2D · El Paso, TX · Accident · 1 fatal · Field investigation · Final report · Oct 17, 1985 · N23CD · Destroyed
  > The plt canceled his IFR flt plan and attempted to fly VFR at a relatively low alt over mountainous terrain with low scattered clouds on a dark night. He reported a large lighted area as being downtown El Paso when in reality it was most likely coronado…
- [NTSB NYC85LA074](https://openairdocs.org/ntsb/NYC85LA074.md): Aero Commander 680V · Kingstown, RI · Accident · No injuries · Limited investigation · Final report · Mar 6, 1985 · N111SK · Substantial damage
  > While en route at 12,500 ft, the plt noted a slight shudder & heard a 'wind noise' then the gear unsafe light illuminated. The plt slowed the acft to 135 KTS & tried recycling the gear, but the gear only dropped to the point where it would twist. All attempts…
- [NTSB MKC85FA032](https://openairdocs.org/ntsb/MKC85FA032.md): Swearingen SA226TC · Harrison, AR · Accident · No injuries · Field investigation · Final report · Dec 7, 1984 · N511SS · Substantial damage
  > The acft was being operated as skyways flt 488. The first officer was flying the acft. The acft touched down on the rwy aprx 1584 feet from the approach end and after a short roll, the landing gear warning horn sounded and the left wing settled to the ground.…
- [NTSB FTW85IA028](https://openairdocs.org/ntsb/FTW85IA028.md): Swearingen SA226TC · Tulsa, OK · Incident · No injuries · Incident investigation · Final report · Oct 26, 1984 · N511SS · Minor damage
  > During cruise, the crew experienced a loss of hydraulic pressure & smoke in the cockpit, then donned their oxygen masks. They used the emerg gear extension system & made a safe emerg landing. An exam revealed a cracked 2000 PSI aluminum hydraulic line had…
- [NTSB FTW84LA309](https://openairdocs.org/ntsb/FTW84LA309.md): Beech C-45-H · Mcalester, OK · Accident · No injuries · Limited investigation · Final report · Jul 12, 1984 · N399V · Substantial damage
  > About 40 miles from Mcalester arpt, the lt eng lost pwr & was shutdown. While attempting a precautionary ldg at the arptthe rt eng lost all pwr. While making an emergency descent the plt attempted to stretch the glide. The acft collided with trees 300 ft…
- [NTSB LAX83FVD07](https://openairdocs.org/ntsb/LAX83FVD07.md): Pilatus PC-6/C-H2 · Lodi, CA · Accident · No injuries · Final report · Sep 26, 1983 · N361F · Substantial damage
  > According to the pilot as he made an approach to land he advanced the power lever to gain more thrust but he felt that the propeller went into beta range due to play in the propeller control linkage. At aprx 50 feet AGL and 200 feet from the end of the…
- [NTSB CHI83LA051](https://openairdocs.org/ntsb/CHI83LA051.md): Mitsubishi MU-2B-20 · Muskegon, MI · Accident · Minor injuries · Limited investigation · Final report · Dec 15, 1982 · N45EV · Substantial damage
  > The pilot descended below his altitude and struck trees approximately 4.7 miles south of his destination. The aircraft continued to fly and the pilot elected to make an emergency landing. After touchdown the aircraft skidded down the runway for approximately…
- [NTSB ATL83FA039](https://openairdocs.org/ntsb/ATL83FA039.md): Aero Commander 680W · Atlanta, GA · Accident · Serious injuries · Field investigation · Final report · Nov 21, 1982 · N5058E · Destroyed
  > The plt reported that on the previous flt, the center fuel tank gauge was malfunctioning and indicated 800 lbs even when it was full with 1400 lbs. After lndg at charlotte,NC, it was still indicating 800 lbs. Bfr tkof, the center tank was refilled. While en…
- [NTSB MKC82DA146](https://openairdocs.org/ntsb/MKC82DA146.md): Mitsubishi MU-2B-20 · Camdenton, MO · Accident · No injuries · Final report · Aug 18, 1982 · N550MA · Substantial damage
  > The pilot landed hard damaging the landing gear on a paved area short of the displaced threshold. Flaps were set at 20 degrees instead of 40 degrees. After initial landing, the aircraft swerved right and went off the runway.
- [NTSB MKC82IA137](https://openairdocs.org/ntsb/MKC82IA137.md): Mitsubishi MU-2B-25 · St. Joseph, MO · Incident · No injuries · Incident investigation · Final report · Aug 5, 1982 · N312MA · Minor damage
  > After takeoff, the pilot was cleared to climb to 6000 ft MSL. While climbing through about 5000 ft, he heard a loud noise (bam) as the left engine lost power. The left engine was shut down and feathered and a landing was made with no other problems. An…
- [NTSB FTW81FQG50](https://openairdocs.org/ntsb/FTW81FQG50.md): Swearingen SA26AT · Midland, TX · Accident · No injuries · Closed · Aug 8, 1981 · N7603 · Substantial damage
- [NTSB CHI81FEG03](https://openairdocs.org/ntsb/CHI81FEG03.md): Mitsubishi MU-2B · Cambellstown, OH · Accident · Minor injuries · Closed · Dec 15, 1980 · N93UM · Substantial damage
- [NTSB ATL80FA070](https://openairdocs.org/ntsb/ATL80FA070.md): Aero Comdr 680V · Jackson, MS · Accident · 1 fatal · Closed · Jul 7, 1980 · N2755H · Destroyed
- [NTSB LAX81FA088](https://openairdocs.org/ntsb/LAX81FA088-201181.md): Mitsubishi MU-2B · Henderson, NV · Accident · 1 fatal · Closed · Apr 23, 1980 · N307MA · Destroyed
- [NTSB MIA80FKG20](https://openairdocs.org/ntsb/MIA80FKG20.md): Aero Comdr 680T · Chamblee, GA · Accident · No injuries · Closed · Mar 2, 1980 · N6514V · Substantial damage
- [NTSB IAD80FA007](https://openairdocs.org/ntsb/IAD80FA007.md): Mitsubishi MU-2F · Nashville, TN · Accident · 5 fatal · Closed · Nov 1, 1979 · N873Q · Destroyed
- [NTSB FTW80FRJ01](https://openairdocs.org/ntsb/FTW80FRJ01.md): Aero Comdr 680W · Alexandria, LA · Accident · Minor injuries · Closed · Oct 4, 1979 · N713SP · Destroyed
- [NTSB MKC79FA035](https://openairdocs.org/ntsb/MKC79FA035.md): Dehavilland DH 104 · St Louis, MO · Accident · No injuries · Closed · Jun 11, 1979 · N906MW · Substantial damage
- [NTSB OAK79FVG43](https://openairdocs.org/ntsb/OAK79FVG43.md): Mitsubishi MU2 · Sacramento, CA · Accident · No injuries · Closed · May 25, 1979 · N312MA · Minor damage
- [NTSB IAD79IA044](https://openairdocs.org/ntsb/IAD79IA044.md): Fairchild PC-6C · Raeford, NC · Incident · No injuries · Closed · Apr 11, 1979 · N361F · Minor damage
- [NTSB MKC79FCG38](https://openairdocs.org/ntsb/MKC79FCG38.md): Mitsubishi MU-2B · Gardner, KS · Accident · No injuries · Closed · Apr 9, 1979 · N251M · Substantial damage
- [NTSB FTW79FRA07](https://openairdocs.org/ntsb/FTW79FRA07.md): Swearingen SA26AT · Houston, TX · Accident · No injuries · Closed · Feb 26, 1979 · N345T · Substantial damage
- [NTSB MIA79FLD22](https://openairdocs.org/ntsb/MIA79FLD22.md): Swearingen SAT226 · Ft Pierce, FL · Accident · No injuries · Closed · Dec 4, 1978 · N97AB · Substantial damage
- [NTSB MKC78FCG60](https://openairdocs.org/ntsb/MKC78FCG60.md): Aero Comdr 680T · Springfield, MO · Accident · No injuries · Closed · Aug 16, 1978 · N808GU · Substantial damage
- [NTSB UNK78X0128](https://openairdocs.org/ntsb/UNK78X0128.md): Mitsubishi MU-2 · Savnt Lake, Canada · Accident · Serious injuries · Closed · Jul 12, 1978 · N19GU · Substantial damage
- [NTSB IAD78FA048](https://openairdocs.org/ntsb/IAD78FA048.md): Aero Comdr 681 · Greenup, KY · Accident · 3 fatal · Closed · Mar 8, 1978 · N5NP · Destroyed
- [NTSB MIA77FA049](https://openairdocs.org/ntsb/MIA77FA049.md): Mitsubishi MU-2B · Augusta, GA · Accident · Serious injuries · Closed · Apr 1, 1977 · N100SW · Destroyed
- [NTSB FTW74AF040](https://openairdocs.org/ntsb/FTW74AF040.md): Mitsubishi MU-2B · Coleman, TX · Accident · 1 fatal · Closed · Dec 3, 1973 · N307MA · Substantial damage
- [NTSB CHI73FEA25](https://openairdocs.org/ntsb/CHI73FEA25.md): Mitsubishi MU-2B · Noblesville, IN · Accident · No injuries · Closed · Jan 12, 1973 · N555C · Substantial damage
- [NTSB MKC72FCD49](https://openairdocs.org/ntsb/MKC72FCD49.md): Mitsubishi MU-2B · Lemars, IA · Accident · Serious injuries · Closed · Dec 22, 1971 · N251M · No damage
- [NTSB MIA71FKT07](https://openairdocs.org/ntsb/MIA71FKT07.md): Aero Comdr 680T · Pompano Beach, FL · Accident · Serious injuries · Closed · Oct 3, 1970 · N541W · Substantial damage
- [NTSB ANC69A0044](https://openairdocs.org/ntsb/ANC69A0044.md): Beech C45H · Barrow, AK · Accident · No injuries · Closed · Mar 12, 1969 · N399V · Substantial damage
- [NTSB MIA69F0339](https://openairdocs.org/ntsb/MIA69F0339.md): Aero Comdr 680W · Ft.Lauderdale, FL · Accident · No injuries · Closed · Jan 22, 1969 · N5058E · Substantial damage
- [NTSB OAK69O0016](https://openairdocs.org/ntsb/OAK69O0016.md): Porter PC-6C · Saigon, VM · Accident · 1 fatal · Closed · Dec 18, 1968 · N394R · Substantial damage
- [NTSB OAK69O0004](https://openairdocs.org/ntsb/OAK69O0004.md): Pilatus PC-6C · Hoi An, VM · Accident · Minor injuries · Closed · Apr 21, 1968 · N394R · Substantial damage
- [NTSB UNK67X0143](https://openairdocs.org/ntsb/UNK67X0143.md): Porter PC-6A · Tra Bong, VM · Accident · No injuries · Closed · Jul 28, 1967 · N285L · Substantial damage
- [NTSB UNK67X0120](https://openairdocs.org/ntsb/UNK67X0120.md): Pilatus PC-6C · Saigon, VM · Accident · No injuries · Closed · Mar 29, 1967 · N9444 · Substantial damage

## 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 ('01502'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=01502

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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.