NTSB investigations
81 cases where the first occurrence was “Propeller failure/malfunction”.
Cases per year
| 1994 | 6 |
|---|---|
| 1995 | 10 |
| 1996 | 7 |
| 1997 | 7 |
| 1998 | 5 |
| 1999 | 10 |
| 2000 | 9 |
| 2001 | 5 |
| 2002 | 2 |
| 2003 | 9 |
| 2004 | 1 |
| 2005 | 3 |
| 2006 | 3 |
| 2007 | 4 |
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.\"mKey\" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 131) 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."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 131) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run 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 NYC08CA058Accident · No injuriesData collectionFinal reportFisher Aero Celebrity · White Plains, ALA propeller failure during cruise flight.NTSB NYC08LA015Accident · No injuriesLimited investigationFinal reportRyan ST-3KR · Unadilla, GAThe improper propeller installation by the mechanic.NTSB CHI07LA167Accident · Minor injuriesLimited investigationFinal reportPiper PA-34-200 · New Smyrna Beac, FLThe propeller blade separation from the propeller hub due to a fatigue fracture of the hub while in cruise flight. A factor was the embankment.NTSB LAX07LA078Accident · No injuriesLimited investigationFinal reportRepublic RC-3 · Julian, CAThe failure of the propeller to crankshaft attachment bolts due to fatigue. A contributing factor was the improper installation of the propeller assembly by maintenance personnel.NTSB SEA07LA039Accident · Serious injuriesLimited investigationFinal reportAveryt Vans RV-4 · Grants Pass, ORThe pilot's failure to maintain adequate airspeed during performance of a go-around, resulting in an inadvertent stall and subsequent in flight collision with the ground. A contributing factor was the in-flight loss of a portion of one propeller blade.NTSB NYC06IA143Incident · No injuriesIncident investigationFinal reportCessna 172S · Lawrence, MAForeign object damage to the leading edge of the propeller blade, which resulted in fatigue cracking and subsequent blade failure.NTSB NYC06LA097Accident · 1 fatalLimited investigationFinal reportPiper PA-28-140 · Avondale, PASeparation of the propeller blade due to fatigue.NTSB DFW05CA189Accident · No injuriesData collectionFinal reportRockwell International S-2R · Hamlin, TXThe failure of the propeller blade seal resulting in an oil leak. Contributing factors were the limited forward visibility and lack of suitable terrain for the precautionary landing.NTSB SEA05LA121Accident · Minor injuriesLimited investigationFinal reportCessna 188A · Fairview, MTWhile in cruise flight a separation of a propeller blade as a result of a propeller hub crack. Factors contributing to the accident included the installation of an unapproved propeller, and the failure to properly service the propeller with red dyed oil for…NTSB DFW05CA158Accident · Minor injuriesData collectionFinal reportRose Parakeet A-1 · Boyd, TXThe in-flight separation of the outboard section of the propeller for unknown reasons. A contributing factor was the lack of suitable terrain for the forced landing.NTSB NYC04CA124Accident · Minor injuriesData collectionFinal reportFraker Mustang II · Wauseon, OHThe failure of the drive coupling between the engine and the propeller speed reducer. A factor related to the accident was the pilot's inadequate preflight inspection of the drive coupling.NTSB FTW04LA013Accident · Minor injuriesLimited investigationFinal reportPrill RV-6 · Snyder, TXThe failure of the propeller blade for undetermined reason. A contributing factor was the lack of suitable terrain.NTSB ATL03LA130Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Winchester, TNA maintenance personnel failure to follow propeller inspection procedures that resulted in a fatigue failure of a propeller blade and the subsequent forced landing.NTSB DEN03LA120Accident · Serious injuriesLimited investigationFinal reportConn Vans RV-4 · Durango, COpartial propeller blade separation for reasons undetermined, and the pilot's misjudgment of distance and altitude during the forced landing approach that resulted in his overshooting the road on intended landing and colliding with trees. A contributing factor…NTSB FTW03LA171Accident · Minor injuriesLimited investigationFinal reportBoyle Black Eagle BE360 · Celina, TXThe loss of propeller pitch effectiveness for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.NTSB LAX03LA130Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-181 · Baker, CAthe separation of a propeller blade tip due to fatigue cracking that resulted from improper maintenance repair procedures.NTSB LAX03LA110Accident · No injuriesLimited investigationFinal reportKolb Firestar · San Diego, CApropeller delamination due to the pilot's failure to properly secure the rear seat shoulder harness prior to flight. A contributing factor was the soft ground in which the airplane landed.NTSB MIA03LA069Accident · No injuriesLimited investigationFinal reportBeech A45 · Merritt Island, FLThe separation of both propeller blades in-flight for undetermined reasons and the failure of the pilot to attain the proper touchdown during the forced landing resulting in overrun during landing and subsequent collapse of the nose landing gear. A…NTSB LAX03FA074Accident · 1 fatalField investigationFinal reportBeech 95 · Rancho Cucamong, CAThe fracture and separation of a propeller blade during cruise flight due to fatigue and corrosion pits in the blade pilot bore, and an improper overhaul of the separated propeller by repair station personnel. Factors contributing to the accident were the…NTSB LAX03LA063Accident · Serious injuriesLimited investigationFinal reportDavis YAK-3 UR-2000 · Parker, AZfailure of the propeller shaft extension mechanism resulting in a loss of power, and the pilot's failure to attain the proper touchdown point.NTSB ANC02LA127Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Ekwok, AKA partial separation of one propeller blade during cruise flight.NTSB LAX02LA104Accident · No injuriesLimited investigationFinal reportCessna 172L · Bullhead City, AZThe pilot's failure to comply with maintenance/inspection requirements that resulted in a propeller failure.NTSB SEA02LA003Accident · Minor injuriesLimited investigationFinal reportEllsberg One Design · Bend, ORthe separation of a propeller counterweight mounting bracket due to incorrect mounting bolt torque. Factors include significant powerplant vibration during the forced landing, no suitable landing area, and soft terrain next to the narrow road on which the…NTSB NYC01LA221Accident · No injuriesLimited investigationFinal reportde Havilland DHC-94 Moth Minor · Farmington, PAThe in-flight separation of a propeller blade, which resulted in a forced landing to unsuitable terrain. A factor related to the accident was the plowed field.NTSB CHI01IA246Incident · No injuriesIncident investigationFinal reportAir Tractor AT-401 · Kenesaw, NEThe propeller blade fatigue leading to its tip separating during an aerial application. Factors were no suitable terrain for an emergency landing, high vegetation, and soft terrain encountered during the emergency landing.NTSB CHI01LA222Accident · Minor injuriesLimited investigationFinal reportDruine Turbulent D-31 · Lebanon, INThe pilot not maintaining aircraft control while maneuvering during initial climb. Factors to the accident were the improperly serviced propeller that resulted in a pitch setting that was insufficient for normal flight.NTSB DEN01LA085Accident · Minor injuriesLimited investigationFinal reportBoyd Young Kolb Mark III · Brigham City, UTthe pilot's misjudged landing flare, which resulted in a hard landing. A factor was the propeller tip separation due to foreign object damage.NTSB IAD01FA015Accident · No injuriesField investigationFinal reportBeech F90 · Lynchburg, VAImproper rigging of both propeller assemblies by maintenance personnel, which resulted in the inadvertent feathering of both propellers after takeoff. Factors included a lack of rigging experience in airplane make and model by maintenance personnel, unclear…NTSB SEA01LA023Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Stevensville, MTFatigue of the right propeller blade resulting in an in-flight separation of the blade tip. A contributing factor was the improper maintenance procedure.NTSB FTW01LA005Accident · 2 fatalLimited investigationFinal reportHolt Thorpe T-18C · Imperial, TXthe failure of the propeller blade due to fatigue, which originated from a corrosion crack. A contributory factor was the pilot/owner's failure to ensure that the propeller was overhauled at the manufacturer's recommended interval.NTSB FTW00LA242Accident · No injuriesLimited investigationFinal reportMitsubishi MU-2B-35 · Corsicana, TXthe in-flight separation of the propeller blade, which resulted from intergranular corrosion and fatigue cracking.NTSB MIA00LA225Accident · No injuriesLimited investigationFinal reportCessna 421A · Homewood, MSThe inadequate installation of the right propeller by the mechanic for his failure to properly torque the eight nuts resulting in fatigue failure of the studs and separation of the right propeller during cruise flight. Findings in the investigation were 1)…NTSB FTW00LA197Accident · No injuriesLimited investigationFinal reportBushby Midget Mustang · Tulsa, OKThe in-flight separation of the propeller spinner. A factor was the lack of suitable terrain for the precautionary landing.NTSB DEN00IA133Incident · No injuriesIncident investigationFinal reportDiamond Aircraft Industries 20C-1 · Spanish Fork, UTThe company maintenance personnel's inadequate torquing procedures of the propeller attachment bolts which resulted in the fatigue failure of the propeller attachment bolts and the in-flight separation of the propeller.NTSB DEN00FA092Accident · Minor injuriesField investigationFinal reportSwearingen SA226TC · Denver, COpropeller blade fatigue failure due to stress corrosion.NTSB SEA00LA068Accident · No injuriesLimited investigationFinal reportPZL-Bielsko SZD-45A Ogar · Libby, MTA crack in the propeller blade that developed into a complete separation of the blade.NTSB NYC00LA061Accident · Minor injuriesLimited investigationFinal reportZielke RV-4 · Florence, NJFailure of one of the propeller blades. A factor was the necessity land across, rather than in alignment with, the furrowed terrain due to the nature of the emergency.NTSB FTW00LA042Accident · No injuriesLimited investigationFinal reportKing Lancair 235/320 · Sterling City, TXThe fatigue fracture of the propeller attaching bolts, due to improper torque during the installation of the propeller by other maintenance personnel. A factor was the lack of suitable terrain for the forced landing.NTSB LAX00LA023Accident · 1 fatalLimited investigationFinal reportLuhnau BD-5B · Boulder City, NVThe pilot's failure to secure an electrical wire terminal in the propeller pitch control circuit following a maintenance adjustment, which resulted in the propeller malfunctioning and going to a flat pitch. The flat pitch of the propeller produced a high drag…NTSB FTW99LA271Accident · No injuriesLimited investigationFinal reportStinson L-5 · Woodward, OKThe in-flight separation of the tip of a wood propeller blade. Contributing factors were the soft terrain and ditch encountered during the precautionary landing.NTSB SEA99LA174Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · Vaughn, WAThe separation of a propeller blade tip due to fatigue, and the improper maintenance procedure.NTSB NYC99LA202Accident · Serious injuriesLimited investigationFinal reportMooney M20E · Prattsburg, NYPropeller blade separation, resulting from fatigue cracking initiated by intergranular corrosion. A factor was the lack of propeller blade corrosion inspection requirements.NTSB NYC99LA184Accident · No injuriesLimited investigationFinal reportTroy Pietenpol · Collins, OHIn-flight separation of the propeller.NTSB MIA99LA173Accident · Minor injuriesLimited investigationFinal reportCessna 182R · Sevierville, TNA loss of propeller governor control due to oil contamination.NTSB FTW99FA148Accident · 1 fatalField investigationFinal reportBeech C18S · Waldron, ARthe separation of a propeller blade in cruise flight as a result of fatigue cracking emanating from surface corrosion pitting.NTSB FTW99FA132Accident · No injuriesField investigationFinal reportGrumman American AA-5B · Claremore, OKThe fatigue fracture of the propeller bolts resulting from the improper installation of the propeller assembly.NTSB FTW98FA392Accident · Serious injuriesField investigationFinal reportPiper PA-20-180 · Thornton, COThe separation of a propeller blade due to corrosion initiated fatigue, followed by the separation of several of the engine's mounts, and the subsequent inability of the pilot to control the aircraft. A contributing factor was the trees.NTSB ANC98LA131Accident · No injuriesLimited investigationFinal reportCessna 172 · Palmer, AKFatigue of the forward end of the engine crankshaft resulting in separation of the propeller assembly, and the operator's failure to comply with a required maintenance procedure. A factor was uneven terrain.NTSB ATL98LA108Accident · Serious injuriesLimited investigationFinal reportDean R. Fellows Vans RV-6 · Bainbridge, GAThe pilot's failure to properly modify the crankshaft per the manufacturers service instructions for installation of a fixed pitch propeller and to apply proper torque values to the propellers mounting bolts.NTSB FTW99LA025Accident · No injuriesLimited investigationFinal reportMooney M20C · Vernon, TXFatigue cracking of the propeller blade which originated from corrosion pitting on its camber side, resulting in the blade tip separation during cruise flight.