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Fatal NTSB investigations: Continental IO-520 series, 2004

21 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

19642026

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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 year(c.\"eventDate\") = 2004
    AND 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 ('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.

NTSB CHI05FA048Accident · 2 fatalField investigationFinal reportBeech S35 · Herman, WIThe installation of the improper cylinder base packing seals by maintenance personnel resulting in the loss of lubriation and subsequent failure of the number four connecting rod/bearing. A factor associated with the accident was the trees that the airplane…Dec 25, 2004 · N5631K · Substantial damageNTSB 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.Dec 5, 2004 · N532PC · DestroyedNTSB ATL05FA032Accident · 5 fatalField investigationFinal reportCessna 421B · Apison, TNThe pilot's improper identification of a partial loss of engine power on initial takeoff climb resulting in a collision with trees and the ground. A factor was a partial failure of the left engine starter adapter due to overload.Dec 2, 2004 · N421SD · DestroyedNTSB NYC05FA021Accident · 2 fatalField investigationFinal reportCessna 310R · Paeonian Spring, VAThe pilot's failure to follow the published instrument approach procedure, which resulted in an in-flight collision with terrain. A factor related to the accident was the low cloud ceiling.Nov 24, 2004 · N310DM · Substantial damageNTSB LAX05FA034Accident · 2 fatalField investigationFinal reportBeech A36 · Lake Havasu, CAthe pilot's continued visual flight into instrument meteorological conditions leading to spatial disorientation and an in-flight loss of control.Nov 14, 2004 · N6111C · DestroyedNTSB CHI05LA014Accident · 1 fatalLimited investigationFinal reportCessna P206B · Taylorville, ILAircraft control not possible by the pilot following a premature deployment of a parachute as a parachutist exited the jump airplane during cruise flight. The inverted spin encountered by the pilot was an additional cause.Oct 24, 2004 · N8619Z · DestroyedNTSB ATL05FA008Accident · 1 fatalField investigationFinal reportBeech F33A · Flat Rock, NCThe pilot experienced spatial disorientation, which resulted in a loss of control and the subsequent collision with the ground. Factors were low ceilings and fog.Oct 23, 2004 · N18303 · Substantial damageNTSB SEA04GA192Accident · 3 fatalFinal reportCessna U206G · Essex, MTThe pilot's misidentification of the airplane's location, which resulted in his improper decision to fly into the wrong drainage, and his failure to maintain terrain clearance while executing a turn to reverse course after he realized his navigational error.…Sep 20, 2004 · N206SM · DestroyedNTSB SEA04FA190Accident · 1 fatalField investigationFinal reportCessna U206F · Stanley, IDThe pilot's inadequate in-flight planning/decision which resulted in VFR flight into IMC, and his failure to maintain aircraft control.Sep 14, 2004 · N20GV · Substantial damageNTSB 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.Aug 21, 2004 · N7562Q · DestroyedNTSB SEA04FA165Accident · 3 fatalField investigationFinal reportCessna T210L · Tulsa, OKThe pilot's inadequate preflight inspection by his failure to secure the oil cap, which resulted in oil leakage on the windscreen, obstructing his vision, and his failure to maintain adequate airspeed.Aug 17, 2004 · N2452S · DestroyedNTSB MIA04FA119Accident · 1 fatalField investigationFinal reportCessna U206B · Key West, FLA loss of engine power for an undetermined reason during cruise flight, which resulted in the pilot ditching the airplane in ocean waters.Aug 14, 2004 · N3800G · Substantial damageNTSB CHI04LA225Accident · 1 fatalLimited investigationFinal reportCessna A188B · Mylo, NDThe pilot's failure to maintain clearance from the windmill. The windmill was a contributing factor.Aug 12, 2004 · N92806 · DestroyedNTSB LAX04FA271Accident · 3 fatalField investigationFinal reportBeech 58 · Bishop, CAthe pilot's continued VFR flight into marginal weather conditions with lowering ceilings in a box canyon in mountainous terrain, and his subsequent inability to maintain an adequate airspeed while maneuvering to reverse direction, which led to an accelerated…Jul 17, 2004 · N807Q · DestroyedNTSB ANC04FA070Accident · 1 fatalField investigationFinal reportBeech 36 · Talkeetna, AKThe pilot's failure to maintain clearance from terrain during cruise flight, which resulted in an in-flight collision with terrain.Jun 26, 2004 · N7673N · DestroyedNTSB CHI04LA146Accident · 1 fatalLimited investigationFinal reportCessna A188B · Prosser, NEThe pilot's abrupt maneuver to avoid obstructions, and his failure to maintain adequate airspeed resulting in a stall. The low altitude flight operation, and the transmission tower (antenna) were contributing factors.Jun 21, 2004 · N731MP · Substantial damageNTSB SEA04FA088Accident · 1 fatalField investigationFinal reportCessna A185F · Molalla, ORThe pilot's inadequate in-flight planning/decision which resulted in VFR flight into IMC, and his failure to maintain control. Factors include mountain obscuration, clouds and convective weather conditions.May 19, 2004 · N61611 · DestroyedNTSB 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.May 17, 2004 · N3510D · 2 aircraft · DestroyedNTSB ATL04FA118Accident · 1 fatalField investigationFinal reportBeech A36 · Morrisville, NCThe failure of the engine for undetermined reasons resulting in the aircraft colliding with powerlines and the ground during the subsequent forced landing.May 17, 2004 · N4550S · Substantial damageNTSB FTW04FA079Accident · 1 fatalField investigationFinal reportCessna 210N · Valley Spring, TXThe pilot's continued flight into known adverse weather and failure to maintain control of the airplane while maneuvering in instrument meteorological conditions, due to spatial disorientation.Feb 22, 2004 · N6175Y · DestroyedNTSB FTW04FA052Accident · 2 fatalField investigationFinal reportBellanca 17-30A · Dallas, TXThe failure of flight/navigation instruments while in instrument meteorological conditions (in-cloud flight and low ceilings) resulting in spatial disorientation. A contributing factors was the prevaling instrument meteorological conditions (low ceiling and…Jan 1, 2004 · N4104B · Destroyed