NTSB investigations: Continental IO-520 series, WA
111 cases on aircraft whose registry engine model is Continental IO-520 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
| 1966 | 1 |
|---|---|
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 4 |
| 1970 | 2 |
| 1971 | 2 |
| 1973 | 1 |
| 1975 | 5 |
| 1976 | 1 |
| 1977 | 5 |
| 1978 | 6 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 2 |
| 1984 | 1 |
| 1985 | 3 |
| 1986 | 3 |
| 1988 | 4 |
| 1989 | 5 |
| 1990 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 5 |
| 1994 | 2 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 3 |
| 1999 | 4 |
| 2000 | 1 |
| 2003 | 3 |
| 2004 | 5 |
| 2005 | 5 |
| 2006 | 1 |
| 2007 | 2 |
| 2008 | 3 |
| 2009 | 3 |
| 2011 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 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 ('17032'))
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 ('17032'))
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 WPR26LA016Accident · No injuriesClass 4 · LimitedFinal reportBeech S35 · Olympia, WAThe pilot’s inadvertent retraction of the landing gear after landing.NTSB WPR24FA285Accident · 1 fatalClass 3 · FieldFinal reportCessna A185F · Kent, WAThe pilot’s failure to properly configure the amphibious landing gear for a water landing, which resulted in a touchdown on the water with the wheels extended, noseover, and airplane submersion.NTSB WPR23LA291Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Friday Habor, WAThe pilot’s loss of directional control during landing, which resulted in a ground loop.NTSB WPR23LA189Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Twisp, WAThe pilot’s loss of directional control during landing, which resulted in a runway excursion and ground loop.NTSB WPR23LA177Accident · No injuriesClass 3 · LimitedFinal reportCessna 210M · Pasco, WAImproper maintenance on the fuel outlet line to the fuel servo, which resulted in the line partially separating from the fuel outlet fitting and the subsequent fuel starvation and total loss of engine power.NTSB WPR23LA089Accident · No injuriesClass 4 · LimitedFinal reportBeech 95-C55 · Yelm, WAThe pilot’s failure to attain a proper touchdown point during landing with a tailwind which resulted in a runway over run. Contributing to the accident was a wet runway.NTSB WPR22FA235Accident · 1 fatalClass 3 · FieldFinal reportBeech V35B · Vancouver, WAThe pilot’s decision to execute a steep turn to final approach, which resulted in an exceedance of the airplane’s critical angle of attack and an accelerated stall. Contributing to the accident was the improper positioning on base leg and the pilot’s…NTSB WPR19LA200Accident · No injuriesClass 3 · LimitedFinal reportBeech 33 · Battleground, WAA failure of the throttle control assembly for reasons that could not be determined based on available evidence, which resulted in a runway overrun and impact with an obstacle.NTSB GAA19CA100Accident · No injuriesData collectionFinal reportCessna A185 · Tacoma, WAThe pilot's loss of directional control during the landing roll and his subsequent overapplication of left rudder, which resulted in the right wing impacting the runway.NTSB GAA19CA055Accident · No injuriesData collectionFinal reportCessna A185 · Reardan, WAThe pilot receiving instruction's improper approach and landing flare in crosswind conditions, which resulted in a bounced landing and subsequent loss of directional control. Contributing to the accident was the flight instructor’s delayed remedial action.NTSB WPR18TA243Accident · No injuriesFinal reportBeech 36 · Kelso, WAThe pilot's fuel mismanagement, which led to fuel starvation, a total loss of engine power, and the subsequent forced landing to a field.NTSB GAA18CA023Accident · No injuriesData collectionFinal reportCessna A185 · Tacoma, WAThe pilot’s loss of directional control during the landing roll.NTSB WPR14CA162Accident · No injuriesData collectionFinal reportCessna 207 · Shaw Island, WAThe pilot's loss of directional control during the landing flare with a gusting tailwind.NTSB WPR13CA422Accident · No injuriesData collectionFinal reportBeech 35 - Undesignat · Seattle, WAThe pilot's distracted attention and failure to extend the landing gear, which resulted in a gear up landing.NTSB WPR13CA246Accident · No injuriesData collectionFinal reportCessna U206G · Friday Harbor, WAA collision with a bird while on the downwind leg of the traffic pattern.NTSB WPR11LA181Accident · Serious injuriesLimited investigationFinal reportCessna A188 · Palouse, WAThe pilot did not maintain adequate clearance from obstacles during a low-level aerial application maneuver.NTSB WPR09CA276Accident · No injuriesData collectionFinal reportCessna A185F · Wenatchee, WAThe pilot's misjudged approach and failure to attain the proper touchdown point.NTSB WPR09CA252Accident · No injuriesData collectionFinal reportCessna 185E · Tacoma, WAThe pilot's failure to maintain directional control while landing with a crosswind.NTSB WPR09CA084Accident · No injuriesData collectionFinal reportCessna U206E · Crane Island, San Juan Is., WAThe pilot's failure to maintain directional control during landing. Contributing to the accident was the pilot's improper application of brakes.NTSB SEA08CA176Accident · Minor injuriesData collectionFinal reportCessna 210E · Auburn, WAA catastrophic engine failure due to the partial blockage of the lubricating oil galley in one of the crankshaft connecting rod journals, leading to the failure of the connecting rod cap.NTSB LAX08FA244Accident · 2 fatalField investigationFinal reportCessna A185F · Shelton, WAThe pilot's failure to attain and maintain adequate airspeed during initial climb, which resulted in an aerodynamic stall.NTSB SEA08LA068Accident · Serious injuriesLimited investigationFinal reportBellanca 17-30A · Mukilteo, WALoss of engine power while on final approach for undetermined reasons. Contributing to the accident was a power line.NTSB SEA07FA134Accident · 1 fatalField investigationFinal reportCessna 185 · Wilbur, WAIn-flight collision with terrain shortly after takeoff for undetermined reasons.NTSB SEA07CA127Accident · No injuriesData collectionFinal reportCessna A185F · Renton, WAThe pilot's loss of aircraft control during a landing attempt, which resulted in an inadvertent ground loop.NTSB SEA07CA015Accident · No injuriesData collectionFinal reportCessna 210E · Friday Harbor, WAAn in-flight collision with a bird during takeoff.NTSB SEA05LA141Accident · No injuriesLimited investigationFinal reportCessna 206E · Stuart Island, WAThe pilot's excessive airspeed on final for the current runway surface conditions, and the intentional obstruction avoidance maneuver he executed when it became clear the aircraft was about to go off the end of the runway. Factors include the pilot's improper…NTSB SEA05FA136Accident · 2 fatalField investigationFinal reportBeech E-55 · Lopez, WAThe pilot's failure to refuel the airplane which resulted in a dual loss of engine power during normal descent due to fuel exhaustion. A contributing factor was the incorrect installation of the left and right wing fuel sight gage/float assemblies by unknown…NTSB SEA05LA110Accident · No injuriesLimited investigationFinal reportBeech A-36 · Tacoma, WAThe malfunction of the fuel injection control system, for undetermined reasons, while the aircraft was on base leg for a full-stop landing. Factors include soft terrain in the area where the pilot found it necessary to perform a forced landing.NTSB SEA05CA069Accident · No injuriesData collectionFinal reportCessna A188B · Palouse, WAThe pilot's failure to maintain terrain clearance during the initial climb after takeoff. A tailwind, hilly terrain and inadequate airspeed were factors.NTSB SEA05LA036Accident · No injuriesLimited investigationFinal reportCessna U206F · Prevost, WAThe pilot not identifying unsafe landing conditions, and his subsequent intentional swerve during the landing roll resulting in impacting a ditch. Contributing factors were the ice/frost on the grass/dirt one-way runway (1,560 feet in length), the unexpected…NTSB SEA05FA022Accident · 1 fatalField investigationFinal reportCessna 185F · Renton, WAThe pilot's failure to maintain aircraft control when the flaps became jammed/stuck in their full-down position during a takeoff from a touch-and-go landing. Factors include a worn/disconnected flap latch mechanism, and the flaps being unable to be retracted.NTSB SEA04FA169Accident · 1 fatalField investigationFinal reportCessna A185F · Toutle, WAThe pilot's continued flight into known adverse weather conditions. Inadequate preflight planning/preparation, trees, a low ceiling and no suitable terrain available for the landing were factors.NTSB SEA04FA083Accident · 1 fatalField investigationFinal reportCessna 170B · Tenino, WAThe pilot's failure to maintain an adequate visual lookout during cruise flight, which resulted in a midair collision between the two airplanes.NTSB SEA04LA057Accident · No injuriesLimited investigationFinal reportCessna A188B · Palouse, WAThe pilot's decision to takeoff downwind resulting in his inability to achieve a positive climb rate and an in-flight collision with terrain. Factors contributing to the accident included the rising terrain and the tailwind condition.NTSB SEA04LA034Accident · No injuriesLimited investigationFinal reportCessna 185F · Deer Park, WAThe dual student pilot's failure to maintain directional control during the landing roll and the failure of the flight instructor to provide remedial action. A factor was snowbank.NTSB SEA04LA007Accident · No injuriesLimited investigationFinal reportCessna 185 · Trout Lake, WAThe failure of the pilot to maintain directional control of the aircraft during the landing roll. A factor was the wet runway.NTSB SEA03FA165Accident · 2 fatalField investigationFinal reportCessna 320D · Mazama, WAThe pilot's failure to maintain clearance from terrain while maneuvering. Mountainous terrain, trees and mountain obscuration were factors.NTSB SEA03LA049Accident · No injuriesLimited investigationFinal reportCessna 172G · Packwood, WALoss of partial engine power for undetermined reasons during the initial climb after takeoff. Loose gravel/sandy was a factor during the landing roll.NTSB SEA01LA025Accident · No injuriesLimited investigationFinal reportCessna A185F · Lynwood, WAFuel exhaustion due to refueling was not performed by the pilot-in-command. Trees and a fence were factors.NTSB SEA99FA144Accident · 1 fatalField investigationFinal reportBeech F33A · White Swan, WAInadequate preflight planning/preparation and low airspeed. A dirt embankment, soft runway, and an excessive takeoff weight were factors.NTSB SEA99LA140Accident · No injuriesLimited investigationFinal reportCessna T210J · Sequim, WAThe pilot's failure to adequately compensate for the changing wind conditions. Factors include a berm located off the east end of the runway and a tailwind.NTSB SEA99LA119Accident · No injuriesLimited investigationFinal reportCessna 185 · Renton, WAFailure of the pilot-in-command to maintain directional control after landing, resulting in a ground loop.NTSB SEA99LA076Accident · No injuriesLimited investigationFinal reportCessna A185E · Othello, WAThe pilot's inadequate compensation for wind conditions after landing. Factors include gusty winds.NTSB SEA98LA034Accident · No injuriesLimited investigationFinal reportCessna U-206E · Friday Harbor, WAthe pilot's failure to park with the aircraft headed into the wind in high wind conditions. A factor include the high wind condition.NTSB SEA97LA143Accident · No injuriesLimited investigationFinal reportCessna A188 · Richland, WAthe pilot's failure to maintain airspeed. Inadequate in-flight planning and high obstructions that restricted evasive maneuvers were factors.NTSB SEA97LA129Accident · No injuriesLimited investigationFinal reportCessna 210D · Renton, WALanding gear hydraulic system power pack failure.NTSB SEA96LA177Accident · No injuriesLimited investigationFinal reportCessna U206F · Crane Island, WAthe pilot's failure to correctly judge the surface winds in the vicinity of the runway. Factors relating to the accident were: a tailwind during landing, a short runway with a wet surface, and an embankment/drop-off at the end of the airstrip.NTSB SEA96LA085Accident · No injuriesLimited investigationFinal reportAero Commander 200D · Covington, WAfuel starvation, due to the pilot's improper fuel management. The uneven terrain in the forced landing area was a related factor.NTSB SEA95LA183Accident · Minor injuriesLimited investigationFinal reportBeech V35A · Chimacum, WAthe improper top overhaul of the engine and subsequent release of the cylinder hold-down nuts/breakage of hold-down and through-bolts. Factors contributing to the accident were the fence posts and rough/uneven terrain.NTSB SEA94LA242Accident · Minor injuriesLimited investigationFinal reportCessna P206D · Lopez, WAA worn throttle control lever.