NTSB investigations: Continental IO-520 series, 2004
70 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
| 1964 | 7 |
|---|---|
| 1965 | 38 |
| 1966 | 65 |
| 1967 | 101 |
| 1968 | 81 |
| 1969 | 68 |
| 1970 | 75 |
| 1971 | 74 |
| 1972 | 87 |
| 1973 | 88 |
| 1974 | 117 |
| 1975 | 120 |
| 1976 | 140 |
| 1977 | 149 |
| 1978 | 168 |
| 1979 | 149 |
| 1980 | 162 |
| 1981 | 140 |
| 1982 | 118 |
| 1983 | 106 |
| 1984 | 101 |
| 1985 | 77 |
| 1986 | 72 |
| 1987 | 73 |
| 1988 | 80 |
| 1989 | 71 |
| 1990 | 59 |
| 1991 | 64 |
| 1992 | 86 |
| 1993 | 70 |
| 1994 | 56 |
| 1995 | 81 |
| 1996 | 73 |
| 1997 | 75 |
| 1998 | 74 |
| 1999 | 69 |
| 2000 | 63 |
| 2001 | 76 |
| 2002 | 77 |
| 2003 | 73 |
| 2004 | 70 |
| 2005 | 95 |
| 2006 | 62 |
| 2007 | 70 |
| 2008 | 61 |
| 2009 | 55 |
| 2010 | 50 |
| 2011 | 72 |
| 2012 | 56 |
| 2013 | 59 |
| 2014 | 45 |
| 2015 | 50 |
| 2016 | 47 |
| 2017 | 56 |
| 2018 | 59 |
| 2019 | 46 |
| 2020 | 39 |
| 2021 | 41 |
| 2022 | 34 |
| 2023 | 41 |
| 2024 | 45 |
| 2025 | 34 |
| 2026 | 40 |
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 year(c.\"eventDate\") = 2004
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 year(c."eventDate") = 2004
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 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…NTSB ANC05CA019Accident · No injuriesData collectionFinal reportCessna U206G · Illiamna, AKThe pilot's inadequate compensation for the gusty wind conditions, which resulted in a loss of control, and the airplane nosing over. A factor contributing to the accident was the gusty wind condition.NTSB ANC05CA017Accident · No injuriesData collectionFinal reportCessna U206G · Nunapitchuk, AKThe pilot's inadequate compensation for gusty wind conditions, which resulted in a loss of directional control, and collision with a ditch. Factors contributing to the accident were an icy taxiway and wind gusts.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 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.NTSB 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.NTSB ANC05LA015Accident · No injuriesLimited investigationFinal reportCessna U206F · Bethel, AKThe pilot's inadequate evaluation of the weather conditions, and his inadequate compensation for the wind conditions, which resulted in a loss of control and subsequent nose over during taxi from landing. A factor contributing to the accident was a tailwind.NTSB 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.NTSB MIA05CA034Accident · No injuriesData collectionFinal reportBeech 58 · Fort Pierce, FLThe failure of the pilot to follow the checklist and extend the landing gear during landing resulting in a gear-up landing.NTSB LAX05CA016Accident · Minor injuriesData collectionFinal reportBellanca BL17-30 · Las Vegas, NVthe pilot's inadequate fuel management, which resulted in fuel starvation and a loss of engine power.NTSB 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.NTSB 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.NTSB SEA05LA009Accident · Minor injuriesLimited investigationFinal reportCessna A185F · White Bird, IDThe pilot's failure to attain the proper airspeed for takeoff and his improper soft-field takeoff procedure. Factors contributing to the accident included the pilot's improper preflight planning, the fence, and the closed exhaust stack.NTSB DEN05LA008Accident · No injuriesLimited investigationFinal reportCessna 210M · Salida, COThe pilot's inadequate preflight planning which failed to determine the fuel supply was inadequate resulting in fuel exhaustion and the loss of engine power.NTSB ANC05CA004Accident · Serious injuriesData collectionFinal reportCessna 185F · King Salmon, AKThe pilot's failure to use a checklist, and to remove the flight control locks prior to flight, which resulted in an uncontrolled descent and in-flight collision with terrain/water.NTSB DEN05CA001Accident · No injuriesData collectionFinal reportCessna 185F · Santa Fe, NMthe pilot's failure to maintain aircraft control during the landing roll resulting in a ground loop. Contributing to the accident was the crosswind.NTSB DFW05CA021Accident · No injuriesData collectionFinal reportBellanca BL-17-30A · Roanoke, TXThe disconnection of the engine mixture control cable due to improper maintenance which resulted in a loss of engine power.NTSB 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.…NTSB 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.NTSB SEA04LA189Accident · No injuriesLimited investigationFinal reportCessna P206A · Clearwater, IDA loss of engine power due to fatigue crack propagation of the number three piston pin while in cruise flight, leading to a power off forced landing in an open field. Factors include soft uphill terrain.NTSB LAX04LA312Accident · No injuriesLimited investigationFinal reportBeech F33A · Fresno, CAthe pilot's loss of pitch control authority during landing flare due to an autopilot system failure that inhibited control yoke movement. A factor was inadequate autopilot system maintenance.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 FTW04CA218Accident · No injuriesData collectionFinal reportBeech BE-58 · Groveton, TXThe pilot's intentional ground loop to avoid colliding with deer that entered the runway during the landing roll. A contributing factor was the tall grass adjacent to the runway that prevented detection of the deer.NTSB 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.NTSB CHI04LA227Accident · Minor injuriesLimited investigationFinal reportBeech V35B · Anderson, INThe in-flight loss of engine power during downwind for undetermined reasons. A factor was the tree the airplane impacted during the forced landing.NTSB 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.NTSB SEA04CA164Accident · No injuriesData collectionFinal reportCessna U206G · Rose Lake, IDThe pilot's failure to maintain clearance with the powerlines on final approach which resulted in a hard landing. A factor contributing the to accident were the powerlines.NTSB CHI04LA225Accident · 1 fatalLimited investigationFinal reportCessna A188B · Mylo, NDThe pilot's failure to maintain clearance from the windmill. The windmill was a contributing factor.NTSB FTW04LA210Accident · No injuriesLimited investigationFinal reportBellanca BL17-30 · Austin, TXThe loss of engine power due to fuel starvation as result of the pilot's improper fuel management. A contributing factor was the lack of suitable terrain for the forced landing.NTSB DEN04LA118Accident · No injuriesLimited investigationFinal reportBeech V35A · Grand Junction, COthe pilot's improper planning and decision making resulting in the loss of engine power due to fuel starvation. Contributing factors include the insufficient time to completely extend the landing gear, and the lack of suitable terrain for a forced landing.NTSB FTW04LA201Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-400 · Clayton, LAThe pilot's failure to maintain clearance from the high tension power lines.NTSB ANC04LA099Accident · No injuriesLimited investigationFinal reportCessna U206G · Yakutat, AKThe pilot's inadequate preflight inspection, and his failure to secure the cargo door, which resulted in the cargo door coming open during the takeoff roll.NTSB LAX04CA278Accident · No injuriesData collectionFinal reportCessna A185F · Gridley, CAThe pilot's improper use of the rudder to correct for torque and P-factor effects and failure to maintain obstacle clearance.NTSB 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…NTSB SEA04CA138Accident · No injuriesData collectionFinal reportCessna A185F · Cut Bank, MTThe pilot's failure to maintain directional control during the takeoff roll.NTSB ATL04LA157Accident · Minor injuriesLimited investigationFinal reportBeech A45 · LaGrange, GAThe maintenance personnel under-torquing of the crankcase throughbolts during top overhaul, which resulted in crankcase fretting, and the subsequent fatigue failure of the crankshaft at the No. 4 main journal. A factor was the lack of suitable terrain for…NTSB MIA04LA102Accident · No injuriesLimited investigationFinal reportBeech V35B · Bay Saint Louis, MSThe failure of the pilot to verify the landing gear was extended prior to touchdown resulting in a gear-up landing.NTSB 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.NTSB SEA04LA117Accident · No injuriesLimited investigationFinal reportCessna 185F · Bozeman, MTThe failure of the right main gear brake disk attach flange during the landing roll, due to fatigue cracks emanating from numerous corrosion pits present on the surface of the disk, leading to the right brake becoming totally inoperative, and resulting in a…NTSB 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.NTSB FTW04LA162Accident · Minor injuriesLimited investigationFinal reportCessna 188B · Rush Springs, OKThe pilot's failure to maintain clearance with a utility pole and power lines while maneuvering during an aerial application.NTSB LAX04CA222Accident · No injuriesData collectionFinal reportCessna A188A · Minden, NVthe pilot's failure to maintain directional control of the airplane during landing roll, which resulted in an inadvertent ground loop. A contributing factor was the pilot's lack of experience in the accident airplane.NTSB ANC04LA057Accident · Minor injuriesLimited investigationFinal reportCessna 185E · Anchorage, AKThe pilot/owner's failure to ensure that the airplane was in an airworthy condition prior to flight, which resulted in a partial loss of engine power and subsequent in-flight collision with a residence during an emergency landing after takeoff. Factors…NTSB DEN04CA080Accident · No injuriesData collectionFinal reportCessna T188C · Lamar, COA partial loss of engine power for undetermined reasons and the pilot's failure to maintain adequate airspeed which resulted in a stall. Contributing to the accident was the low altitude.NTSB ANC04LA055Accident · No injuriesLimited investigationFinal reportCessna 185E · King Salmon, AKThe pilot's inadequate compensation for wind conditions during takeoff and initial climb, which resulted in a loss of control, and an in-flight collision with water. A factor contributing to the accident was gusty wind conditions.NTSB 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.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 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.NTSB SEA04LA087Accident · No injuriesLimited investigationFinal reportCessna 185A · Polson, MTThe pilot's inadequate compensation for the changing wind conditions at the time of the landing. Factors include gusty, variable, crosswinds, and a runway marker near the edge of the runway the pilot was landing on.NTSB CHI04LA120Accident · Minor injuriesLimited investigationFinal reportCessna 188B · Pleasant Hill, MOFuel exhaustion due to the pilot's improper fuel calculations. Contributing factors to the accident included the inaccurate fuel gage and the trees.