Ongoing NTSB investigations: Lycoming 0-540 series
27 cases on aircraft whose registry engine model is Lycoming 0-540 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
| 2024 | 2 |
|---|---|
| 2025 | 10 |
| 2026 | 15 |
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.\"completionStatus\" = 'Ongoing'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532'))
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."completionStatus" = 'Ongoing'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532'))
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 CEN27LA019Accident · Minor injuriesClass 3 · LimitedInvestigation openPiper PA-28-235 · Cedar Rapids, IANTSB WPR27LA003Accident · No injuriesClass 4 · LimitedInvestigation openMaule M-5-235C · Agua Dulce, CANTSB ANC26LA096Accident · Minor injuriesClass 3 · LimitedPreliminary reportCessna R182 · Lebanon, TNOn September 1, 2026, about 1815 eastern daylight time, a Cessna R182 airplane was substantially damaged when it was involved in an accident near Lebanon, Tennessee. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of Federal…NTSB ERA26LA321Accident · No injuriesClass 4 · LimitedInvestigation openCessna R182 · Clarksville, TNNTSB ERA26LA312Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA24 · Fort Washington, MDNTSB ERA26LA358Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA24 · Union City, OHOn August 10, 2026, about 1800eastern daylight time, a Piper PA-24-250, N6985P, was substantially damaged when it was involved in an accident near Union City, Ohio. The flight instructor and the private pilot were not injured. The airplane was operated as a…NTSB ANC26LA080Accident · Minor injuriesClass 3 · LimitedPreliminary reportPiper PA-32-260 · Pinetown, NCOn August 6, 2026, about 1355 eastern daylight time, a Piper Aircraft PA-32-260 airplane, N8791E, was substantially damaged when it was involved in an accident near Pinetown, North Carolina. The private pilot and two passengers sustained minor injuries. The…NTSB CEN26LA242Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-25-235 · Forest Lake, MNOn July 4, 2026, about 0942 central daylight time, a Piper PA-25-235 airplane, N386AB, was substantially damaged when it was involved in an accident near Forest Lake, Minnesota. The pilot was not injured. The airplane was operated as a Title 14 Code of…NTSB ERA26FA252Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA24 · Hazen, NDOn June 28, 2026, about 1317 central daylight time, a Piper PA-24-250, N6852P, was destroyed when it was involved in an accident near Hazen, North Dakota. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part…NTSB WPR26FA224Accident · 3 fatalClass 3 · FieldPreliminary reportPiper PA-24-250 · Middlefield, OHOn June 20, 2026, about 1535 eastern daylight time, a Piper PA-24-250, N6403P, was substantially damaged when it was involved in an accident near Middlefield, Ohio. The pilot and two passengers sustained fatal injuries. The airplane was operated as a Title 14…NTSB ANC26LA053Accident · Minor injuriesClass 3 · LimitedPreliminary reportPiper PA-28-235 · Key West, FLOn June 14, 2026, at 1035 eastern standard time, a Piper PA-28-235 airplane, N15564, was substantially damaged when it was involved in an accident near Key West, Florida. The pilot was not injured and the passenger sustained minor injuries. The airplane was…NTSB ERA26FA214Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-25-235 · Saratoga Springs, NYOn May 26, 2026, about 1347 eastern daylight time, a Piper PA-25-235 airplane, N8656L, was substantially damaged when it was involved in an accident near Saratoga Springs, New York. The pilot was fatally injured. The airplane was operated as a Title 14 Code…NTSB WPR26FA151Accident · 2 fatalClass 3 · FieldPreliminary reportPiper PA-32R-301T · Marana, AZOn April 08, 2026 at 1710 mountain standard time, a Piper PA-32R-301T, N4190E, sustained substantial damage when it was involved in an accident near Marana, AZ. The pilot and passenger sustained fatal injuries. The airplane was operated as a Title 14 Code of…NTSB WPR26LA157Accident · No injuriesClass 3 · LimitedPreliminary reportCessna T182 · Marion, MTOn April 8, 2026, about 1315 mountain standard time, a Cessna T182, N5475N, was substantially damaged when it was involved in an accident near Marion, Montana. Both pilots were uninjured. The airplane was operated as a Title 14 Code of Federal Regulations…NTSB ANC26FA021Accident · 2 fatalClass 3 · FieldPreliminary reportRobinson Helicopter R44 · Boynton Beach, FLOn March 23, 2026, about 1221 eastern daylight time, a Robinson R44 Raven I helicopter, N478AT, was destroyed when it was involved in an accident near Boynton Beach, Florida. The flight instructor and the pilot receiving instruction were fatally injured. The…NTSB WPR26FA069Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-32-260 · Rio Linda, CAOn December 24, 2025, at approximately 1230 Pacific standard time, a Piper PA-32-260, N2785Q, was substantially damaged when it was involved in an accident near Rio Linda, California. The pilot sustained serious injuries, and the pilot-rated passenger was…NTSB CEN26LA042Accident · Minor injuriesClass 3 · LimitedPreliminary reportPiper PA-28-235 · Castle Rock, COOn November 10, 2025, about 1815 mountain standard time, a Piper PA-28-235 airplane, N9143W, was substantially damaged when it was involved in an accident near Castle Rock, Colorado. The pilot and one passenger reported no injuries. A second passenger…NTSB WPR25LA295Accident · No injuriesClass 3 · LimitedPreliminary reportSiai-Marchetti SF260B · Billings, MTOn September 26, 2025, about 1040 mountain daylight time, a SIAI-MARCHETTI SF 260B, N272C, was substantially damaged when it was involved in an accident near Billings, Montana. The pilot and passenger were not injured. The airplane was operated as a Title 14…NTSB ANC25LA105Accident · Serious injuriesClass 3 · LimitedPreliminary reportMaule M-5-235C · Point MacKenzie, AKOn September 13, 2025, about 12:28 Alaska daylight time, a Maule M5-235C airplane, N343GA, was substantially damaged when it was involved in an accident near Point McKenzie, Alaska. The commercial pilot sustained serious injuries. The airplane was operated…NTSB CEN25LA357Accident · Serious injuriesClass 3 · LimitedPreliminary reportPiper PA-24-250 · Gregory, MIOn August 28, 2025, at about 1550 eastern daylight time, a Piper PA-24-250 airplane, N7412P, was substantially damaged when it was involved in an accident near Gregory, Michigan. The pilot was seriously injured. The airplane was operated as a Title 14 Code of…NTSB WPR25LA266Accident · No injuriesClass 3 · LimitedPreliminary reportCessna TR182 · San Diego, CAOn August 12, 2025, about 1330 Pacific daylight time, Cessna TR182 airplane, N619MW, was substantially damaged when it was involved in an accident near San Diego, California. The pilot and passenger were not injured. The airplane was operated as a Title 14…NTSB CEN25FA308Accident · 1 fatalClass 3 · FieldPreliminary reportCessna T182T · Augusta, AROn August 7, 2025, at 1037 central daylight time, a Cessna T182T airplane, N35370, was substantially damaged when it was involved in an accident near Augusta, Arkansas. The pilot was fatally injured and the passenger received minor injuries. The airplane was…NTSB WPR25LA217Accident · Minor injuriesClass 3 · LimitedPreliminary reportCessna TR182 · Tuba City, AZOn July 17, 2025, about 1447 mountain standard time, a Cessna TR182, N182KC, was substantially damaged when it was involved in an accident near Tuba City, Arizona. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code of…NTSB CEN25FA124Accident · 1 fatalClass 3 · FieldPreliminary reportRobinson Helicopter R44 · Danville, VAOn March 15, 2025, about 1500 eastern daylight time, a Robinson R44 helicopter, N331ES, was destroyed when it was involved in an accident near Danville, Virginia. The pilot was fatally injured. The helicopter was operated as a Title 14 Code of Federal…NTSB WPR25FA079Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-24-250 · Rock Springs, WYOn January 14, 2025, about 0622 mountain standard time, a Piper PA-24-250, N6502P, was destroyed when it was involved in an accident near Rock Springs, Wyoming. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations…NTSB WPR25LA065Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-24-250 · Mesa, AZOn December 19, 2024, about 1515 mountain standard time, a Piper PA-24-250, N7833P, was involved in an accident near Mesa, Arizona. The pilot and pilot-rated passenger were not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part…NTSB WPR24FA295Accident · Serious injuriesClass 3 · FieldPreliminary reportPiper PA-24-250 · Hawthorne, CAOn September 6, 2024, at 0036 Pacific daylight time, a Piper PA-24-250, N588CP, was destroyed when it was involved in an accident near Hawthorne, California. The pilot and pilot rated passenger sustained serious injuries. The airplane was operated as a Title…