NTSB investigations: Pratt & Whitney R1340 series, CA
23 cases on aircraft whose registry engine model is Pratt & Whitney R1340 series, where the first occurrence was “Loss of engine power(total) - mech failure/malf”. 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
| 1983 | 2 |
|---|---|
| 1984 | 1 |
| 1988 | 3 |
| 1989 | 1 |
| 1990 | 4 |
| 1991 | 2 |
| 1993 | 2 |
| 1994 | 2 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2002 | 1 |
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.\"eventStateOrRegion\" = 'CA' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016')
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\" = 351))
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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016')
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" = 351))
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 LAX02LA143Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164C · Olivehurst, CAFuel starvation due to the failure of an engine accessory component. A contributing factor was the rough terrain.NTSB LAX98LA090Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Wasco, CAThe pilot overboosting the engine on takeoff which resulted in a cracked cylinder and subsequent loss of engine power.NTSB LAX97LA121Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Winters, CAthe failure of the engine cylinder head assembly due to operational fatigue.NTSB LAX96LA213Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Lost Hills, CAthe loss of engine power due to a cylinder failure. A contributing factor was the lack of a suitable field for the forced landing.NTSB LAX95LA195Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Robbins, CAa loss of engine power due to a separation of the number 6 cylinder, and the nose over during the subsequent forced landing.NTSB LAX95LA126Accident · No injuriesLimited investigationFinal reportSchweizer G-164A · Robbins, CAA failure of the engine master rod. A factor in the accident was the soft, wet condition of the field available for the forced landing.NTSB LAX94LA327Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Firebaugh, CAthe loss of engine power due to the failure of the number 2 cylinder head. A factor was the dark night conditions which inhibited the pilot's ability to visually detect ground obstructions in the landing area.NTSB LAX94LA133Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Clarksburg, CAThe total failure of the no. 1 cylinder due to fatigue resulting from an improperly adjusted mixture causing detonation. The soft, wet plowed field was a factor in this accident.NTSB LAX94LA063Accident · No injuriesLimited investigationFinal reportNorth American SNJ-5 · Santa Paula, CAwas the failure of the needle valve pin assembly in the airplane's carburetor. A factor which contributed to the accident was the lack of suitable terrain for the emergency landing.NTSB LAX93LA200Accident · 1 fatalLimited investigationFinal reportGrumman 164A · Biggs, CAFailure of the number 2 engine cylinder. A factor related to the accident was the lack of altitude for the pilot to make a successfull forced landing.NTSB LAX91LA364Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Wasco, CAA total loss of engine power due to a fracture of the camshaft and the subsequent forced landing into a soft field.NTSB LAX91LA109Accident · No injuriesLimited investigationFinal reportRockwell S2R-600 · Corcoran, CAFailure of the aircraft engine's fuel pump valve assembly bypass.NTSB LAX90DXQ03Accident · Minor injuriesFinal reportAir Tractor AT-401 · Tule Lake, CAAn engine failure due to mechanical failure of the distributor.NTSB LAX90DVA07Accident · 1 fatalFinal reportAir Tractor AT-401 · San Joaquin, CAThe failure of the no. 4 cylinder head.NTSB LAX90DVA04Accident · Serious injuriesFinal reportGrumman-Schweizer G-164B · Buttonwillow, CAFailure of the #7 cylinder due to a pre-existing crack. The terrain condition was a related factor.NTSB LAX90DVG07Accident · Serious injuriesFinal reportGrumman G-164A · Gridley, CAFailure of the no.7 cylinder head which led to a forced landing and substantial damage to the aircraft when it nosed over after colliding with a ditch.NTSB LAX89LA114Accident · Minor injuriesLimited investigationFinal reportNorth American AT-6 · Compton, CAFatigue cracks that existed in an engine cylinder.NTSB LAX89DUM03Accident · No injuriesFinal reportGrumman G-164 · Blythe, CAThe pilot stated that the engine lost power on a 'spray pass.' He then executed a forced landing straight ahead and nosed over after touchdown in a cotton field. Investigation revealed an elbow fitting connecting the main fuel supply line and the carburetor…NTSB LAX88DVG07Accident · No injuriesFinal reportSnow AT-301 · Davis, CAAt the end of an aerial application flight, en route to home base, the engine quit. The pilot made an emergency landing in a field, where during the landing roll the airplane collided with a bale of hay and nosed over. Inspection of the engine revealed that…NTSB LAX88DVG03Accident · No injuriesFinal reportSchweizer G-164B · Gridley, CADuring an agricultural operation, the engine quit at approximately 50 feet AGL. The airplane was landed on a dirt field and nosed over. Inspection of the engine revealed that the left magneto drive gear teeth were missing and the right magneto drive gear was…NTSB LAX84LA311Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Williams, CAShortly after departing the airfield, the eng lost power & the plt was unable to restart it. He landed in a soft, freshly plowed field. After rolling about 50 ft, the acft nosed over. An exam revealed that the shaft which holds the float assembly in the…NTSB LAX83LA330Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Princeton, CAThe acft made a forced landing and was destroyed by fire after an engine failure during a spraying operation. The plt stated that his flagger saw black smoke during the pull-up. The smoke turned white and was observed coming from the stacks. Inspection of the…NTSB LAX83LA207Accident · Serious injuriesLimited investigationFinal reportAero Commander 600 S-2D · Gilroy, CAPrior to takeoff, the acft was fully fueled with 100 gal of aviation gasoline & was loaded with 300 gal of non-toxic fungicidal mix. The plt took off, flew aprx 5 mi to a field, and after circling over the field, made 2 swath runs. During a procedure turn…