NTSB investigations: Continental IO-520 series, 1998
7 cases on aircraft whose registry engine model is Continental IO-520 series, where the first occurrence was “In flight encounter with weather”. 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
| 1982 | 7 |
|---|---|
| 1983 | 9 |
| 1984 | 8 |
| 1985 | 4 |
| 1986 | 7 |
| 1987 | 2 |
| 1988 | 5 |
| 1989 | 8 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 3 |
| 1995 | 4 |
| 1996 | 2 |
| 1997 | 6 |
| 1998 | 7 |
| 1999 | 6 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 9 |
| 2003 | 4 |
| 2004 | 8 |
| 2005 | 5 |
| 2006 | 7 |
| 2007 | 3 |
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\") = 1998
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')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 240))
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") = 1998
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')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 240))
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 ANC98LA108Accident · Minor injuriesLimited investigationFinal reportCessna 206 · Anchorage, AKThe pilot's delay in aborting the takeoff prior to reaching the end of the lake. A factor associated with the accident was a downdraft.NTSB ANC98LA103Accident · No injuriesLimited investigationFinal reportCessna 206 · Palmer, AKThe pilot's inadequate compensation for wind conditions, and inadequate clearance from mountainous terrain. Factors were the downslope winds and downdrafts.NTSB ANC98LA060Accident · No injuriesLimited investigationFinal reportCessna U206 · Fairbanks, AKThe pilot's inadequate compensation for wind conditions. Factors associated with the accident are variable winds, and windshear.NTSB ANC98LA057Accident · Minor injuriesLimited investigationFinal reportCessna 206 · Tyonek, AKThe pilot's continued flight into adverse weather conditions, and his inadequate in-flight planning/decision. Factors in the accident were weather conditions consisting of a mountain wave, and downdrafts.NTSB ANC98GA036Accident · 2 fatalFinal reportCessna 185F · Nightmute, AKThe pilot's continued VFR flight into instrument meteorological conditions which resulted in spatial disorientation and subsequent loss of aircraft control. Factors in the accident were meteorological conditions consisting of low ceilings, and blowing snow,…NTSB FTW98LA176Accident · Serious injuriesLimited investigationFinal reportCessna P206B · Riverton, WYcontinued flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude from terrain, while manuevering to reverse direction. Related factors were: the adverse weather conditions, mountainous terrain, and…NTSB CHI98FA107Accident · 4 fatalField investigationFinal reportBeech A-36 · New Lebanon, INThe pilot's flight into known icing conditions. Contributing factors were the degraded aircraft performance, the pilot's inability to maintain the proper descent rate, trees, and the dark night condition.