# NTSB investigations: Jacobs L4 /R755-7

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 3 · 130 cases

## Latest cases

- [NTSB CEN26LA056](https://openairdocs.org/ntsb/CEN26LA056.md): Cessna 195 · Downers Grove, IL · Accident · Minor injuries · Class 4 · Limited · Final report · Nov 28, 2025 · N4332V · Substantial damage
  > The pilot’s failure to maintain airplane control during an attempted go-around.
- [NTSB WPR25LA125](https://openairdocs.org/ntsb/WPR25LA125.md): Cessna 190 · Idaho Falls, ID · Accident · No injuries · Class 4 · Limited · Final report · Apr 11, 2025 · N190CG · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll in crosswind conditions.
- [NTSB ERA25LA036](https://openairdocs.org/ntsb/ERA25LA036.md): Cessna 195A · Bethel, PA · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 31, 2024 · N3083B · Substantial damage
  > The pilot’s failure to maintain directional control during landing.
- [NTSB CEN24LA280](https://openairdocs.org/ntsb/CEN24LA280.md): Cessna 195A · Greenville, MI · Accident · No injuries · Class 4 · Limited · Final report · Jul 19, 2024 · N1524D · Substantial damage
  > The pilot’s loss of directional control during landing which led to a ground-loop.
- [NTSB CEN21LA422](https://openairdocs.org/ntsb/CEN21LA422.md): Cessna 195 · Ypsilanti, MI · Accident · No injuries · Class 4 · Limited · Final report · Sep 16, 2021 · N4358V · Substantial damage
  > The pilot’s failure to maintain directional control during taxi, which resulted in a ground loop.
- [NTSB CEN20CA280](https://openairdocs.org/ntsb/CEN20CA280.md): Waco YKC · New Carlisle, OH · Accident · No injuries · Class 4 · Data collection · Final report · Jul 14, 2020 · N14139 · Substantial damage
  > The pilot's failure to maintain proper approach speed and descent path to the runway, which resulted in excessive speed at touchdown and insufficient runway remaining to safely bring the airplane to a stop before the end of the runway. Contributing to the…
- [NTSB GAA18CA332](https://openairdocs.org/ntsb/GAA18CA332.md): Waco YKS 7 · Fairhope, AL · Accident · No injuries · Data collection · Final report · Jun 8, 2018 · N17473 · Substantial damage
  > The pilot’s failure to maintain directional control while landing.
- [NTSB ERA16CA304](https://openairdocs.org/ntsb/ERA16CA304.md): Cessna 195 · Livermore Falls, ME · Accident · No injuries · Data collection · Final report · Aug 27, 2016 · N4352V · Substantial damage
  > The pilot's failure to maintain directional control during landing roll out.
- [NTSB GAA16CA238](https://openairdocs.org/ntsb/GAA16CA238.md): Waco YKS 7 · Millersburg, OH · Accident · No injuries · Data collection · Final report · May 13, 2016 · N17734 · Substantial damage
  > The pilot's loss of directional control during landing in gusting wind conditions resulting in excessive brake application, and airplane nose over.
- [NTSB WPR14CA083](https://openairdocs.org/ntsb/WPR14CA083.md): Cessna 195A · Salinas, CA · Accident · No injuries · Data collection · Final report · Dec 31, 2013 · N369JJ · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.
- [NTSB WPR13CA409](https://openairdocs.org/ntsb/WPR13CA409.md): Cessna 195A · Meadow Creek, MT · Accident · No injuries · Data collection · Final report · Sep 14, 2013 · N4324N · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff roll on a rough turf runway.
- [NTSB ERA13FA402](https://openairdocs.org/ntsb/ERA13FA402.md): Cessna T-50 · Lenox Twp., PA · Accident · 2 fatal · Field investigation · Final report · Sep 3, 2013 · N41759 · Destroyed
  > The pilot's intentional visual flight into night instrument meteorological conditions and thunderstorms and his improper decision to takeoff without getting updated weather information after a briefer cautioned him during a previous flight that visual flight…
- [NTSB WPR13CA207](https://openairdocs.org/ntsb/WPR13CA207.md): Waco YKS-7 · Rialto, CA · Accident · No injuries · Data collection · Final report · Apr 26, 2013 · N17472 · Substantial damage
  > The pilot’s failure to maintain directional control and his improper brake usage during the landing roll in a crosswind condition.
- [NTSB WPR13CA172](https://openairdocs.org/ntsb/WPR13CA172.md): Waco YMF-3 · Thermal, CA · Accident · No injuries · Data collection · Final report · Mar 30, 2013 · N14080 · Substantial damage
  > The pilot’s failure to maintain directional control while landing in a gusting crosswind.
- [NTSB ERA12LA343](https://openairdocs.org/ntsb/ERA12LA343.md): Cessna 195A · Tipton, PA · Accident · No injuries · Limited investigation · Final report · May 18, 2012 · N9859A · Substantial damage
  > A fatigue failure of a copper oil line, which resulted in a partial loss of engine power due to oil starvation.
- [NTSB CEN10CA213](https://openairdocs.org/ntsb/CEN10CA213.md): Waco YPF-7 · Houston, TX · Accident · No injuries · Data collection · Final report · Mar 27, 2010 · N32077 · Substantial damage
  > The pilot's inability to maintain control during landing due to the failure of the tailwheel locking mechanism to remain engaged prior to landing.
- [NTSB WPR09CA465](https://openairdocs.org/ntsb/WPR09CA465.md): Cessna 195A · Upland, CA · Accident · No injuries · Data collection · Final report · Sep 25, 2009 · N195MD · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during the takeoff roll.
- [NTSB ERA09CA350](https://openairdocs.org/ntsb/ERA09CA350.md): Beech C17B · Stevensville, MD · Accident · No injuries · Data collection · Final report · Jun 14, 2009 · N47024 · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during the landing roll.
- [NTSB NYC08CA240](https://openairdocs.org/ntsb/NYC08CA240.md): Cessna C-195 · Johnstown, NY · Accident · No injuries · Data collection · Final report · Jul 5, 2008 · N4380N · Substantial damage
  > The pilot's failure to maintain aircraft control during the landing roll.
- [NTSB CHI07CA172](https://openairdocs.org/ntsb/CHI07CA172.md): Cessna 195 · Battle Creek, MI · Accident · No injuries · Data collection · Final report · Jun 19, 2007 · N4358V · Substantial damage
  > The pilot's failure to maintain directional control of the aircraft during the landing roll which resulted in a ground loop.
- [NTSB ATL07LA001](https://openairdocs.org/ntsb/ATL07LA001.md): Grumman G-164 · Somerville, TN · Accident · Minor injuries · Limited investigation · Final report · Oct 4, 2006 · N493Y · Destroyed
  > The total loss of engine power for undetermined reasons.
- [NTSB SEA06CA020](https://openairdocs.org/ntsb/SEA06CA020.md): Cessna 195A · Heber City, UT · Accident · No injuries · Data collection · Final report · Nov 25, 2005 · N1528D · Substantial damage
  > The failure of the right brake, which resulted in a loss of directional control during the landing roll and a nose down.
- [NTSB CHI05LA099](https://openairdocs.org/ntsb/CHI05LA099.md): Cessna 195A · Jackson, MI · Accident · No injuries · Limited investigation · Final report · Apr 18, 2005 · N1082D · Substantial damage
  > The fracture of the left brake master cylinder piston rod, which resulted in the total failure of the left-side brake system and the subsequent loss of directional control during landing roll. An additional cause was the encountered ground-loop.
- [NTSB NYC04LA118](https://openairdocs.org/ntsb/NYC04LA118.md): Cessna T-50 · Sharon, MA · Accident · 1 fatal · Limited investigation · Final report · May 7, 2004 · N45P · Substantial damage
  > The loss of power in one engine for undetermined reasons. Factors were the excessive weight, and degraded climb performance.
- [NTSB CHI04LA083](https://openairdocs.org/ntsb/CHI04LA083.md): Cessna 195 · Manitowoc, WI · Accident · No injuries · Limited investigation · Final report · Feb 19, 2004 · N4351V · Minor damage
  > The Cessna 195 pilot's failure to maintain clearance from the Cessna 177RG while taxiing to the ramp after landing. A contributing factor was the restricted forward visibility (blind spot) of the Cessna 195 due to the engine cowling. An additional factor was…
- [NTSB NYC03LA120](https://openairdocs.org/ntsb/NYC03LA120.md): Grumman G-164 · Shiloh, NJ · Accident · No injuries · Limited investigation · Final report · Jun 6, 2003 · N10291 · Substantial damage
  > The pilot's improper in-flight decision to not jettison his load when he realized that he would not clear the trees. A factor was the pilot's inattention to his airspeed at liftoff and on climb.
- [NTSB NYC03LA077](https://openairdocs.org/ntsb/NYC03LA077.md): Waco YOC · Allentown, PA · Accident · No injuries · Limited investigation · Final report · Apr 4, 2003 · N15244 · Substantial damage
  > The pilot's failure to maintain directional control while landing which resulted in a ground loop. A factor in the accident was the crosswind.
- [NTSB IAD01LA085](https://openairdocs.org/ntsb/IAD01LA085.md): Cessna 195 · Moultonboro, NH · Accident · No injuries · Limited investigation · Final report · Jul 24, 2001 · N4352V · Substantial damage
  > The pilot's failure to maintain directional control of the airplane. A factor was the crosswind.
- [NTSB CHI00FA229](https://openairdocs.org/ntsb/CHI00FA229.md): Cessna 195A · Oshkosh, WI · Accident · No injuries · Field investigation · Final report · Jul 28, 2000 · N1010D · Substantial damage
  > The pilots failure to maintain directional control. A factor was the landing gear being out of alignment.
- [NTSB FTW00LA104](https://openairdocs.org/ntsb/FTW00LA104.md): Cessna 195A · Roanoke, TX · Accident · Serious injuries · Limited investigation · Final report · Mar 24, 2000 · N9847A · Substantial damage
  > The pilot's inadequate preflight resulting in loss of engine power due to water and rust contamination of the fuel. A factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA98LA193](https://openairdocs.org/ntsb/SEA98LA193.md): Cessna T-50 · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Sep 27, 1998 · N6HS · Substantial damage
  > A quick drain was open due to the pilot's inadequate preflight.
- [NTSB MIA97LA222](https://openairdocs.org/ntsb/MIA97LA222.md): Waco YMF5 · Lake Buena Vist, FL · Accident · No injuries · Limited investigation · Final report · Jul 28, 1997 · N14128 · Substantial damage
  > failure of maintenance personnel to follow installation procedures pertaining to the torque of the propeller retention nut, which resulted in a loose propeller retention nut, subsequent fatigue failure of the crankshaft, and loss of engine power. The lack of…
- [NTSB ATL97FA095](https://openairdocs.org/ntsb/ATL97FA095.md): Boeing Stearman B75N1 · Locust Grove, GA · Accident · 1 fatal · Field investigation · Final report · Jul 2, 1997 · N450GC · Destroyed
  > The inadvertent stall encountered by the pilot after experiencing an in-flight cylinder head separation.
- [NTSB MIA97LA058](https://openairdocs.org/ntsb/MIA97LA058.md): Waco WMF-5 · Kissimmee, FL · Accident · No injuries · Limited investigation · Final report · Jan 1, 1997 · N14128 · Substantial damage
  > the pilot's failure to maintain direction control of the airplane after applying the brakes. A factor was the pilot's lack of familiarity with this make and model airplane.
- [NTSB LAX96LA292](https://openairdocs.org/ntsb/LAX96LA292.md): Waco UPF7 · Payson, AZ · Accident · No injuries · Limited investigation · Final report · Jul 30, 1996 · N29974 · Substantial damage
  > the failure of the pilot to maintain directional control on touchdown and the landing ground roll.
- [NTSB BFO94LA156](https://openairdocs.org/ntsb/BFO94LA156.md): Cessna 195B · Ossipee, NH · Accident · No injuries · Limited investigation · Final report · Aug 27, 1994 · N9885A · Substantial damage
  > Separation of the left main landing gear due to fatigue failure.
- [NTSB LAX92LA132](https://openairdocs.org/ntsb/LAX92LA132.md): Cessna 195A · San Jose, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 29, 1992 · N3451V · Substantial damage
  > The pilot's improper compensation for the existing wind conditions and improper recovery from a bounced landing. Contributing to the accident was the left quartering tail/crosswind.
- [NTSB LAX92LA052](https://openairdocs.org/ntsb/LAX92LA052.md): Cessna 195A · Camarillo, CA · Accident · No injuries · Limited investigation · Final report · Nov 5, 1991 · N195MD · Substantial damage
  > The failure of the pilot to maintain directional control during the landing ground roll.
- [NTSB ATL91LA141](https://openairdocs.org/ntsb/ATL91LA141.md): Maridon Starduster TOO · Locust Grove, GA · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 1991 · N3263 · Substantial damage
  > Fuel exhaustion which resulted from the failure of the pilots to refuel the airplane. A factor was the local pilot's having become lost.
- [NTSB CHI91LA190](https://openairdocs.org/ntsb/CHI91LA190.md): Cessna 195 · Detroit, MI · Accident · No injuries · Limited investigation · Final report · Jun 13, 1991 · N4351V · Substantial damage
  > Failure to maintain directional control, and inadequate aircraft preflight. A factor related to the accident is the instructor pilot's lack of experience in the type aircraft.
- [NTSB FTW90LA078](https://openairdocs.org/ntsb/FTW90LA078.md): Cessna T50-A17 · Brackettville, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 4, 1990 · N578EK · Substantial damage
  > An engine failure caused by a malfunctioning carburetor and the pilot's misjudging his obstacle clearance which resulted in a wire strike while maneuvering to land. Factors in the accident were the uncommanded deployment of carburetor heat on both engines, an…
- [NTSB MKC90LA058](https://openairdocs.org/ntsb/MKC90LA058.md): Cessna 195 · Garden City, KS · Accident · No injuries · Limited investigation · Final report · Mar 1, 1990 · N4332V · Substantial damage
  > Directional control not maintained by the pilot in command.
- [NTSB NYC88LA134](https://openairdocs.org/ntsb/NYC88LA134.md): Beech C17B · Butler, PA · Accident · No injuries · Limited investigation · Final report · Apr 27, 1988 · N47024 · Substantial damage
  > After landing the airplane was taxiing on runway 08 when it went off the side of the runway and struck a runway light and taxi sign. While attempting to get back on the runway, the left gear collapsed.
- [NTSB MKC88LA045](https://openairdocs.org/ntsb/MKC88LA045.md): Cessna 195 · Rolla, MO · Accident · No injuries · Limited investigation · Final report · Jan 28, 1988 · N1071D · Substantial damage
  > Shortly after takeoff, during a personal flight, the engine progressively lost power. The PIC attempted an emergency ldg in a pasture. During the ldg roll, the acft collided with a tree, causing substantial damage to the right wing. Post accident aircraft…
- [NTSB LAX88LA019](https://openairdocs.org/ntsb/LAX88LA019.md): Cessna 195A · Modesto, CA · Accident · No injuries · Limited investigation · Final report · Oct 19, 1987 · N4372N · Substantial damage
  > The pilot stated that during the end of the landing roll on runway 28L, the aircraft started turning to the right and he could not correct it and the aircraft ground looped. There were no mechanical problems reported prior to the accident. The pilot reported…
- [NTSB BFO87LA043](https://openairdocs.org/ntsb/BFO87LA043.md): Cessna 195A · Cambridge, MD · Accident · No injuries · Limited investigation · Final report · Jun 27, 1987 · N9321A · Substantial damage
  > After purchasing the acft in atl, the plt, who held an a & p certificate, inspected and flew the acft in the local area bfr departing on a ferry flt to rockland, ME. Drg lndg at his first fuel stop, the acft swerved to the rt and the plt intentionally…
- [NTSB FTW86FRG24](https://openairdocs.org/ntsb/FTW86FRG24.md): Grumman G-164 · La Feria, TX · Accident · No injuries · Final report · Jun 5, 1986 · N552Y · Destroyed
  > As the plt was making a swath run, he started to cross under power lines, but saw the profile view of a road marker. When he pulled up to avoid the road marker, the acft struck the wires, rolled to the left & collided with the ground.
- [NTSB LAX86LA189](https://openairdocs.org/ntsb/LAX86LA189.md): Cessna 195A · San Rafael, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 23, 1986 · N4496C · 2 aircraft · Substantial damage
  > The two aircraft collided on the runway during landing approach. The Cessna pilot had washed his aircraft and had made a local flight to dry it off. The beeck pilot was returning from a nearby airport where an annual inspection had been performed. Witnesses…
- [NTSB LAX85LA110](https://openairdocs.org/ntsb/LAX85LA110.md): Waco YKC · Placerville, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 13, 1985 · N14000 · Substantial damage
  > Acft was lined up on rwy but plt misjudged height and acft stalled aprx 3 ft above the ground. Acft bounced and upon contacting the ground veered right. Plt over compensated and acft ground looped traveling off left side of rwy into a road. The pond is aprx…
- [NTSB MKC84FA272](https://openairdocs.org/ntsb/MKC84FA272.md): Cessna 195A · Akron, IA · Accident · 2 fatal · Field investigation · Final report · Sep 9, 1984 · N19JW · 2 aircraft · Destroyed
  > N19JW, a Cessna 195A and N8783X, a Cessna 182 departed mapleton, IA, at aprx 0805 on a VFR flt to Akron, IA, to attend a fly-in breakfast. The two acft did not travel the same route of flight to Akron, N19JW crossed over the midpoint of the arpt on crosswind…

Next page: https://openairdocs.org/ntsb.md?engine=35003&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 ('35003'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=35003

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