NTSB investigations: Franklin 6A4150 series
35 cases on aircraft whose registry engine model is Franklin 6A4150 series, where the first occurrence was “Loss of control - on ground/water”. 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 | 3 |
|---|---|
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 3 |
| 1988 | 3 |
| 1989 | 2 |
| 1990 | 1 |
| 1994 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 2 |
| 2003 | 3 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 1 |
| 2007 | 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27024')
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\" = 260))
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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27024')
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" = 260))
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 ATL07CA059Accident · No injuriesData collectionFinal reportStinson 108 · Lawrenceville, GAThe pilot's failure to maintain directional control on landing roll out resulting in a ground loop.NTSB NYC06CA200Accident · Minor injuriesData collectionFinal reportStinson 108 · Meadville, PAThe owner's failure to install the proper tailwheel spring clips, which resulted in a loss of directional control during the landing roll. A factor was his lack of a mechanic certificate.NTSB LAX05CA246Accident · Minor injuriesData collectionFinal reportStinson 108 · Hesperia, CAthe pilot's failure to maintain directional control during landing rollout.NTSB LAX05LA220Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Prescott, AZthe pilot's failure to maintain directional control during the landing rollout.NTSB FTW04CA098Accident · No injuriesData collectionFinal reportStinson 108-1 · Slidell, LAthe pilot's failure to compensate for the gusty wind conditions and maintain control of the airplane while landing.NTSB CHI03LA145Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Jenison, MIThe pilot not maintaining directional control of the airplane during landing. A factor to the accident was the overload of the right main landing gear.NTSB NYC03LA092Accident · No injuriesLimited investigationFinal reportStinson 108 · Brookville, OHThe pilot's failure to maintain directional control while landing.NTSB ANC03LA028Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Sitka, AKThe pilot's failure to maintain directional control of the airplane during the landing roll, which resulted in an inadvertent ground loop, and the collapse of the right main landing gear.NTSB NYC01LA181Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Latrobe, PAThe pilot's failure to maintain control of the airplane which resulted in the inadvertent ground loop.NTSB IAD01LA047Accident · Serious injuriesLimited investigationFinal reportStinson 108 · White Post, VAthe pilot's failure to remove frost from the airplane prior to departure. A factor in the accident was the tall wet grass.NTSB LAX00LA200Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Los Angeles, CAThe pilot's loss of directional control during landing rollout due to the pilot's foot becoming wedged under a rudder pedal, which restricted its movement.NTSB FTW00LA027Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Terrell, TXThe pilot's failure to maintain aircraft control during landing.NTSB CHI98LA132Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Tecumseh, MIThe pilot's inadequate compensation for wind conditions, and his failure to maintain directional control. A contributing factors were wind gusts and crosswind.NTSB ANC97LA122Accident · No injuriesLimited investigationFinal reportStinson 108 · Fairbanks, AKThe pilot's inadequate compensation for wind conditions. A factor was the crosswind.NTSB SEA96LA156Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Arock, ORfailure of the pilot to maintain directional control of the aircraft during the landing, which resulted in an inadvertent ground loop. The tailwind was a related factor.NTSB SEA96LA095Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Cut Bank, MTthe pilot's inadequate compensation for the wind conditions during the landing roll, which resulted in a loss of directional control and an inadvertent ground swerve. Factors relating to the accident were: the unfavorable wind conditions (crosswind and…NTSB ANC94LA108Accident · No injuriesLimited investigationFinal reportStinson 108 · Salcha, AKThe pilot did not maintain control of the airplane. A factor in the accident was the pilot's lack of total experience in the specific make/model/type of aircraft.NTSB SEA90LA061Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Boise, IDPilot did not maintain directional control of the airplane during the landing roll.NTSB SEA89LA051Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Albany, ORThe failure of the student pilot to maintain directional control of the airplane during landing and the improper use of flight controls. Contributing to the accident were the crosswind and the pilot's lack of total experience.NTSB MKC89LA052Accident · No injuriesLimited investigationFinal reportStinson 108-1 · South St. Paul, MNThe failure of the pilot to maintain directional control of the airplane. Contributing to the accident were the crosswind conditions.NTSB DEN88LA164Accident · No injuriesLimited investigationFinal reportStinson 108 · Lordsburg, NMDuring takeoff the plane swerved to the lt and the plt aborted the takeoff. On the second takeoff, the airplane again swerved lt and departed the rwy. The plane entered loose sand off the lt side of the rwy and nosed over. The plt stated that he had made 10…NTSB NYC88LA187Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Robbinsville, NJThe acft ground looped during landing roll and collided with terrain off the runway. The acft was landed on rwy 29 with the wind from 180 degrees at 15 KTS, gusting to 25 KTS. The acft turned into the wind and ran off the rwy to the south after traveling 1/3…NTSB NYC88LA095Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Burlington, VTThe flight was taking off for an instructional flight in the local area. During ground run, the aircraft veered to the left and the pilot was unable to bring the aircraft under control. The aircraft collided with a snowbank and flipped inverted. The aircraft…NTSB MIA87LA193Accident · No injuriesLimited investigationFinal reportStinson 108-1 · West Palm Beach, FLWhile on an instructional flt during the landing roll the acft began to drift to the right. The student plt corrected the drift with left rudder, however he then added full power. The acft then ground looped to the left, during which the right main gear…NTSB LAX87LA232Accident · No injuriesLimited investigationFinal reportBellanca 14-13-2 · Rancho Calif, CAThe plt elected to make a precautionary landing due to deteriorating wx along his route of flt. He stated that there was a x-wind from the left when he landed on rwy 30. Drg the landing, the acft drifted off the rwy & one of the main landing gear mired in…NTSB SEA87IA093Incident · No injuriesIncident investigationFinal reportStinson 108-1 · Idaho Falls, IDDuring a go around the pilot decided to attempt to reland the aircraft. Gusty crosswind conditions existed at the time and directional control was lost during which the aircraft entered into a ground loop maneuver and the left main landing gear strut…NTSB LAX86LA255Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Quincy, CAThe commercial plt/cfi, attempted to takeoff when a left 40 deg, 15 to 25 knot crosswind existed. The plt lost directional control of the acft, & when attempting to abort the takeoff the acft's gear collapsed & the acft collided with a drainage ditch. The plt…NTSB ATL86LA268Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Roanoke, ALReportedly, during the landing roll, the acft went off the right side of the rwy and continued across a shallow ditch and down an embankment. The plt stated that the acft did not RESP0ND to control and brake inputs to correct the swerve in calm winds. The FAA…NTSB LAX85LA266Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Hesperia, CAWhile en route, the plt noted thunderstorms & towering cumulus clouds over the tehachapi mountains & elected to divert to Hesperia. He stated that all fields within range had 'severe winds and storms closing.' He said that during the landing at Hesperia,…NTSB LAX84LA365Accident · No injuriesLimited investigationFinal reportStinson 108 · Camarillo, CAA prospective buyer in the left seat was initiating a takeoff in a tail wheel acft when the acft ground looped and the right main landing gear collapsed. The owner in the right seat was unable to correct the situation in time. The buyer had professed…NTSB NYC84LA069Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Annapolis, MDThe plt landed faster than normal and lost control of the acft on the icy rwy. The plt said he over-corrected with left rudder and the acft went off the rwy and slid on a frozen field collapsing the right main gear.NTSB CHI83LA146Accident · No injuriesLimited investigationFinal reportStinson 108 · Rochester, INThe acft collided with a snow bank and nosed over during landing. The weather was VMC and the wind was from 210 degrees at 5 KTS. The pilot reported his right foot slipped off the the rudder pedal and 'attributes this to stinsons and many other acft were not…NTSB ANC83LA002Accident · No injuriesLimited investigationFinal reportRockwell International Stinson 108 · Near Sparrevohn, AKThe pilot stated that after shooting a moose in the morning, quartering the animal and carrying the meat to the an unimproved landing/takeoff area he walked back to his cabin for his aircraft. Upon his return, he landed and loaded 2 quarters into the back…NTSB SEA82DA158Accident · No injuriesFinal reportStinson 108-1 · Twin Falls, IDPilot ground looped while doing touch and go landings. Wind 5 KTS.NTSB NYC82DA070Accident · No injuriesFinal reportStinson 108-1 · Factoryville, PAThe pilot was practicing landings in gusty wind conditions. He reported that the first landing was uneventful, but the second landing was aborted due to gusty turbulence. He stated that the third landing was made in relatively calm wind conditions until just…