# NTSB investigations: Continental TSIO-520 series, WA

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 WPR24LA126](https://openairdocs.org/ntsb/WPR24LA126.md): Cessna P210N · Auburn, WA · Accident · No injuries · Class 3 · Limited · Final report · Apr 11, 2024 · N806RC · Substantial damage
  > An overstress fracture of the left main landing gear actuator, which resulted in the failure of the left main landing gear to fully extend and lock into place.
- [NTSB WPR22LA092](https://openairdocs.org/ntsb/WPR22LA092.md): Cessna T207 · Crane Island, WA · Accident · No injuries · Class 4 · Limited · Final report · Feb 7, 2022 · N684S · Substantial damage
  > The pilot’s failure to obtain a proper touch down location on a wet grass runway, resulting in a runway overrun and impact with terrain.
- [NTSB WPR18LA022](https://openairdocs.org/ntsb/WPR18LA022.md): Cessna P210N · Mount Vernon, WA · Accident · No injuries · Limited investigation · Final report · Oct 28, 2017 · N6582P · Substantial damage
  > The failure of the right main landing gear (MLG) down-lock mechanism due to an out-of-tolerance down-lock hook, which resulted in the collapse of the right MLG during the landing roll.
- [NTSB WPR11CA419](https://openairdocs.org/ntsb/WPR11CA419.md): Cessna TU206F · Bremerton, WA · Accident · Minor injuries · Data collection · Final report · Aug 31, 2011 · N338F · Substantial damage
  > The total loss of engine power as a result of fuel exhaustion due to the pilot's inadequate in-flight planning.
- [NTSB WPR11CA196](https://openairdocs.org/ntsb/WPR11CA196.md): Cessna T188C · Palouse, WA · Accident · No injuries · Data collection · Final report · Apr 13, 2011 · N4562J · Substantial damage
  > The pilot's inadequate evaluation of the wind conditions at takeoff and failure to maintain an adequate airspeed, which resulted in a stall and collision with terrain during the initial climb.
- [NTSB WPR11LA168](https://openairdocs.org/ntsb/WPR11LA168.md): Cessna TU206G · Puyallup, WA · Accident · Minor injuries · Limited investigation · Final report · Mar 19, 2011 · N6169Z · Substantial damage
  > The pilots’ activation of the fuel boost pump while preparing to land, which was contrary to checklist procedures and resulted in a loss of engine power.
- [NTSB WPR11FA029](https://openairdocs.org/ntsb/WPR11FA029.md): Cessna 340A · Morton, WA · Accident · 3 fatal · Field investigation · Final report · Oct 25, 2010 · N68718 · Substantial damage
  > The pilot’s failure to arrest the excessive rate of turn into the failed engine, which resulted in a loss of control and subsequent impact with terrain. Contributing to the accident was a partial loss of engine power for reasons that could not be determined…
- [NTSB WPR10LA196](https://openairdocs.org/ntsb/WPR10LA196.md): Cessna P210N · Leavenworth, WA · Accident · No injuries · Limited investigation · Final report · Apr 4, 2010 · N3599P · Substantial damage
  > The failure of the number two cylinder exhaust and intake valves for undetermined reasons, which resulted in a loss of engine power.
- [NTSB WPR09LA423](https://openairdocs.org/ntsb/WPR09LA423.md): Cessna TU206G · Ballard, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 28, 2009 · N682RC · Substantial damage
  > The pilot's precautionary water landing with partially extended landing gear. Contributing to the accident was the unidentified anomaly with the airplane's electrical system, which rendered the gear position indicator system inoperative.
- [NTSB SEA07FA262](https://openairdocs.org/ntsb/SEA07FA262.md): Beech A-36TC · Burlington, WA · Accident · 3 fatal · Field investigation · Final report · Sep 13, 2007 · N1811Q · Destroyed
  > The pilot's decision to descend below the published minimum descent altitude (MDA), and his failure to maintain clearance from vertical objects during an instrument approach. Contributing to the accident were low ceilings, inadequate preflight planning, and…
- [NTSB SEA06LA100](https://openairdocs.org/ntsb/SEA06LA100.md): Cessna T210L · Battle Ground, WA · Accident · Serious injuries · Limited investigation · Final report · May 19, 2006 · N131HM · Destroyed
  > the pilot's excessive airspeed and exceeding the proper touchdown point during landing, which resulted in a hard landing and subsequent overrun of the runway. Factors contributing to the accident included the fence, the trees and the pilot's failure to…
- [NTSB SEA06FA054](https://openairdocs.org/ntsb/SEA06FA054.md): Beech 58P · Bow, WA · Accident · 1 fatal · Field investigation · Final report · Feb 23, 2006 · N469MD · Destroyed
  > The pilot's failure to maintain aircraft control during the climb to cruise. Contributing factors included a loss of engine power to the right engine folowing a turbocharger failure, instrument meteorological and dark night conditions.
- [NTSB SEA05CA029](https://openairdocs.org/ntsb/SEA05CA029.md): Beech 58TC · Everett, WA · Accident · No injuries · Data collection · Final report · Dec 22, 2004 · N7858B · Substantial damage
  > The pilot's misjudgment of distance/speed on landing touchdown and rollout, and his subsequent excessive braking. A factor was the fence.
- [NTSB SEA04LA001](https://openairdocs.org/ntsb/SEA04LA001.md): Cessna 340 · Blakely Island, WA · Accident · Minor injuries · Limited investigation · Final report · Oct 2, 2003 · N2695S · Substantial damage
  > The pilot's inadequate compensation for downdrafts on final approach resulting in an excessive descent rate on short final. Factors include downdrafts off the approach end of the selected runway, and low clouds/fog.
- [NTSB SEA03FA124](https://openairdocs.org/ntsb/SEA03FA124.md): Beech A36TC · East Wenatchee, WA · Accident · 1 fatal · Field investigation · Final report · Jul 4, 2003 · N279WP · Substantial damage
  > Loss of engine power due to fuel starvation that resulted from the right wing tank reaching an unusable fuel level. Also causal was an unapproved alteration of the aircraft’s fuel system. Contributing to the accident were the incorrect installation of an…
- [NTSB SEA02LA015](https://openairdocs.org/ntsb/SEA02LA015.md): Cessna 402B · Pasco, WA · Accident · No injuries · Limited investigation · Final report · Nov 15, 2001 · N910WT · Substantial damage
  > the pilot's failure to keep the aircraft from touching down short of the displaced threshold, and his failure to maintain directional control after the aircraft's left main gear tire deflated as a result of impacting the lip at the beginning of the subject…
- [NTSB SEA01LA165](https://openairdocs.org/ntsb/SEA01LA165.md): Cessna T210L · Olympia, WA · Accident · No injuries · Limited investigation · Final report · Sep 3, 2001 · N6721M · Substantial damage
  > The inability of the landing gear to fully extend due to the failure of a hydraulic hose in the nose gear extension system.
- [NTSB SEA00LA011](https://openairdocs.org/ntsb/SEA00LA011.md): Beech A36TC · Pasco, WA · Accident · No injuries · Limited investigation · Final report · Oct 29, 1999 · N3822K · Substantial damage
  > The pilot's failure to extend the landing gear. Factors include a blocked view of the landing gear light indicating system.
- [NTSB SEA97LA175](https://openairdocs.org/ntsb/SEA97LA175.md): Cessna T210H · Stehekin, WA · Accident · No injuries · Limited investigation · Final report · Jul 22, 1997 · N6922R · Substantial damage
  > The pilot's misreading of the windsock and subsequent downwind landing. Factors in the accident were the sunglare and tailwind.
- [NTSB SEA96LA161](https://openairdocs.org/ntsb/SEA96LA161.md): Cessna T210N · Sunnyside, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 1996 · N6439N · Substantial damage
  > inadequate preflight by the pilot, and subsequent fuel exhaustion. Factors relating to the accident were: darkness, and high vegetation (brush and small trees) in the emergency landing area.
- [NTSB SEA95LA197](https://openairdocs.org/ntsb/SEA95LA197.md): Cessna 206 · Spokane, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 1995 · N120TH · Substantial damage
  > the pilot's failure to maintain airspeed while trying to clear a transmission wire. Factors include a transmission wire near the end of the takeoff area and glassy water.
- [NTSB SEA94FA111](https://openairdocs.org/ntsb/SEA94FA111.md): Cessna TU206G · Gold Bar, WA · Accident · Serious injuries · Field investigation · Final report · Apr 30, 1994 · N732JK · Substantial damage
  > Electrical system short. Factors to the accident were: mountainous terrain and procedures/directives not followed.
- [NTSB SEA93LA127](https://openairdocs.org/ntsb/SEA93LA127.md): Cessna 210L · Lynden, WA · Accident · No injuries · Limited investigation · Final report · Jun 3, 1993 · N29631 · Substantial damage
  > Directional control not being maintained. Factors include a high touchdown speed, light rain, and a wet landing surface.
- [NTSB SEA93LA087](https://openairdocs.org/ntsb/SEA93LA087.md): Cessna T210M · Scappose, WA · Accident · No injuries · Limited investigation · Final report · Apr 6, 1993 · N16CE · Substantial damage
  > Clearance from objects was not maintained. The pilot's poor inflight planning and the weather conditions were factors.
- [NTSB SEA93LA022](https://openairdocs.org/ntsb/SEA93LA022.md): Cessna 210N · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Nov 11, 1992 · N6562Y · Substantial damage
  > The pilot's premature retraction of the gear. Factors include a wet and icy runway.
- [NTSB SEA92LA122](https://openairdocs.org/ntsb/SEA92LA122.md): North American Navion · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Jun 9, 1992 · N91132 · Substantial damage
  > The partial failure of the nose gear trunnion. Factors include the pilot's decision to land with the gear in the up position.
- [NTSB SEA88LA005](https://openairdocs.org/ntsb/SEA88LA005.md): Cessna 340A · Tacoma, WA · Accident · No injuries · Limited investigation · Final report · Oct 11, 1987 · N37358 · Substantial damage
  > As the plt was taxiing to the active rwy, the acft's right brake became inop due to a loss of hydraulic fluid. Subsequently, the acft went off the side of the taxiway, contd over an embankment & was damaged. The loss of hydraulic fluid was due to a leak in…
- [NTSB SEA87IA004](https://openairdocs.org/ntsb/SEA87IA004.md): Cessna 402C · Everett, WA · Incident · No injuries · Incident investigation · Final report · Oct 4, 1986 · N2651Y · Minor damage
  > While enroute from seattle to bellingham on a regularly scheduled passenger commuter flight the left engine number 3 exhaust riser burned through. The pilot visually detected a discoloration on the left engine nacelle inflight but was unable to execute a…
- [NTSB SEA86FA121](https://openairdocs.org/ntsb/SEA86FA121.md): Cessna 152 · Mead, WA · Accident · 2 fatal · Field investigation · Final report · May 20, 1986 · N6161M · 2 aircraft · Destroyed
  > Both acft were operating in VFR conditions modified by slight haze, high overcast and low sun angle near airport. N6161M was performing lazy eight maneuvers in a normal practice area two miles east of airport; N8267Q was in clockwise orbital descent for…
- [NTSB SEA86LA031](https://openairdocs.org/ntsb/SEA86LA031.md): Cessna 402B · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Dec 27, 1985 · N4624N · Substantial damage
  > The plt reported encountering icing conditions during his apch to Spokane. Upon arrival, the acft remained at Spokane for 30-40 minutes during which freezing drizzle and below freezing temps existed prior to and during the departure. The plt did not utilize…
- [NTSB SEA85LA205](https://openairdocs.org/ntsb/SEA85LA205.md): Cessna T210-M · Camano Island, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 1985 · N761VV · Substantial damage
  > The plt failed to visually verify the fuel on board prior to takeoff and he was aware that one fuel gage was inaccurate.a total loss of pwr occurred over water aprx 30 miles from the intended destination arpt. The plt was able to reach land during the…
- [NTSB SEA85LA025](https://openairdocs.org/ntsb/SEA85LA025.md): Cessna 414 · Waterville, WA · Accident · No injuries · Limited investigation · Final report · Dec 2, 1984 · N14DC · Substantial damage
  > Upon arrival at the dest arpt the plt elected to perform a touch & go landing in order to evaluate rwy braking action. During climb out after the touch & go at about 100 ft AGL and 100 to 105 KTS the acft yawed to the right as the nose picthed up. Despite…
- [NTSB SEA84LA100](https://openairdocs.org/ntsb/SEA84LA100.md): Cessna T210L · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · May 1, 1984 · N93186 · Substantial damage
  > According to the plt's calculations, the acft should have had enough fuel on board for 8.4 hrs of flt. However, after about 5.6 hrs of flt time, the eng lost power from fuel exhaustion. The acft was damaged during a wheels-up landing. The plt said that the…
- [NTSB SEA84FA064](https://openairdocs.org/ntsb/SEA84FA064.md): Cessna U206 · Stevenson, WA · Accident · 2 fatal · Field investigation · Final report · Mar 1, 1984 · N735KE · Destroyed
  > The plt initiated a flt in weather with low visibility, rain and fog. The plt had reportedly checked the weather but decided to fly anyway. About 30 minutes after takeoff while the plt was maneuvering at low alt, the acft crashed in a river. The acft sank in…
- [NTSB SEA84FA023](https://openairdocs.org/ntsb/SEA84FA023.md): Cessna 304A · Ephrata, WA · Accident · Serious injuries · Field investigation · Final report · Nov 26, 1983 · N98567 · Destroyed
  > The acft collided with a hilltop during a missed approach in IMC weather. The acft was on an IFR flt plan. The plt stated visual contact was EST at about 2000 ft MSL but ground features were masked in snow. When the plt did not see the airport at the proper…
- [NTSB SEA82DA087](https://openairdocs.org/ntsb/SEA82DA087.md): Cessna 206 · Renton, WA · Accident · No injuries · Final report · Jun 13, 1982 · N60092
  > According to the pilot, the aircraft was on its first flight after a major engine overhaul and was being flown for maintenance evaluation. About 45 minutes after takeoff, the pilot requested a descent from 7500 feet MSL. After entering an overcast, the engine…
- [NTSB SEA81FA009](https://openairdocs.org/ntsb/SEA81FA009.md): Beech 58TC · Ellensburg, WA · Accident · 6 fatal · Closed · Nov 27, 1980 · N24AC · Destroyed
- [NTSB SEA81FYE04](https://openairdocs.org/ntsb/SEA81FYE04.md): Cessna 210P · Everett, WA · Accident · No injuries · Closed · Oct 23, 1980 · N731HV · Substantial damage
- [NTSB SEA80FYE42](https://openairdocs.org/ntsb/SEA80FYE42.md): Beech A36TC · Seattle, WA · Accident · Serious injuries · Closed · Jul 21, 1980 · N66811 · Destroyed
- [NTSB SEA80FYM34](https://openairdocs.org/ntsb/SEA80FYM34.md): Cessna T210L · Vancouver, WA · Accident · No injuries · Closed · May 9, 1980 · N93368 · Substantial damage
- [NTSB SEA80DYP07](https://openairdocs.org/ntsb/SEA80DYP07.md): Cessna 340 · Yakima, WA · Accident · No injuries · Closed · Jan 11, 1980 · N5165J · Substantial damage
- [NTSB SEA80FA007](https://openairdocs.org/ntsb/SEA80FA007.md): Cessna T210M · Yakima, WA · Accident · 2 fatal · Closed · Nov 21, 1979 · N321TT · Substantial damage
- [NTSB SEA79FA009](https://openairdocs.org/ntsb/SEA79FA009.md): Cessna P210 · Toutle, WA · Accident · 3 fatal · Closed · Nov 2, 1978 · N3686P · 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."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 ('17040'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17040&state=WA

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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.
