# NTSB investigations: Kinner R5 series

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 · 104 cases

## Latest cases

- [NTSB CEN20WA441](https://openairdocs.org/ntsb/CEN20WA441.md): Ryan Aeronautical ST3KR · Les Chariots, France · Accident · 2 fatal · Class 5 · Foreign · Feb 23, 2020 · N53018 · Destroyed
- [NTSB GAA17CA092](https://openairdocs.org/ntsb/GAA17CA092.md): Pitcairn PA 18 · Philadelphia, PA · Accident · No injuries · Data collection · Final report · Nov 18, 2016 · N12680 · Substantial damage
  > The pilot’s failure to correct the gyroplane’s right roll during the landing, which resulted in the exceedance of its critical angle and a subsequent roll-over. Contributing to the accident were the pilot’s focus on preventing a potential ground loop instead…
- [NTSB WPR15LA233](https://openairdocs.org/ntsb/WPR15LA233.md): Ryan Aeronautical ST3KR · Hollister, CA · Accident · 1 fatal · Limited investigation · Final report · Aug 6, 2015 · N48701 · Substantial damage
  > The pilot's failure to observe the runway environment while operating in the traffic pattern and his subsequent failure to maintain clearance from a lawnmower on the runway during the landing roll. Contributing to the accident was the lawnmower operator's…
- [NTSB ERA14LA360](https://openairdocs.org/ntsb/ERA14LA360.md): Ryan Aeronautical ST3KR · Newnan, GA · Accident · Serious injuries · Limited investigation · Final report · Jul 26, 2014 · N59418 · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR14CA210](https://openairdocs.org/ntsb/WPR14CA210.md): Meyers OTW 160 · Tehachapi, CA · Accident · No injuries · Data collection · Final report · May 26, 2014 · N34341 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and subsequent collision with a fence.
- [NTSB ERA12CA520](https://openairdocs.org/ntsb/ERA12CA520.md): Fleet Fleet 16B · Bayport, NY · Accident · No injuries · Data collection · Final report · Aug 18, 2012 · N343SF · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB ERA12LA518](https://openairdocs.org/ntsb/ERA12LA518.md): Meyers OTW-160 · Worton, MD · Accident · No injuries · Limited investigation · Final report · Aug 16, 2012 · N26490 · Substantial damage
  > The student pilot's improper landing flare and the flight instructor's inadequate remedial action, which resulted in a hard landing.
- [NTSB ERA11LA417](https://openairdocs.org/ntsb/ERA11LA417.md): Ryan Aeronautical ST3KR · Sagaponack, NY · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 2011 · N2ER · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB WPR11LA096](https://openairdocs.org/ntsb/WPR11LA096.md): Ryan Aeronautical ST3KR · Warner Springs, CA · Accident · 1 fatal · Limited investigation · Final report · Jan 11, 2011 · N57027 · Substantial damage
  > The pilot's failure to maintain clearance from the wind sock pole during landing.
- [NTSB NYC08LA015](https://openairdocs.org/ntsb/NYC08LA015.md): Ryan ST-3KR · Unadilla, GA · Accident · No injuries · Limited investigation · Final report · Oct 20, 2007 · N780SR · Substantial damage
  > The improper propeller installation by the mechanic.
- [NTSB MIA07CA033](https://openairdocs.org/ntsb/MIA07CA033.md): Ryan Aeronautical ST3KR · Lake Butler, FL · Accident · Minor injuries · Data collection · Final report · Jan 6, 2007 · N56434 · Substantial damage
  > a partial loss of engine power due to a disconnected throttle control push-rod, which resulted in a forced landing and collision with trees and the ground.
- [NTSB LAX06LA036](https://openairdocs.org/ntsb/LAX06LA036.md): Ryan Aeronautical ST3KR · Lincoln, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 15, 2005 · N56038 · Substantial damage
  > The pilot's failure to maintain airspeed, which resulted in an inadvertent stall while maneuvering.
- [NTSB NYC04LA214](https://openairdocs.org/ntsb/NYC04LA214.md): Ryan ST3KR · Bealeton, VA · Accident · Serious injuries · Limited investigation · Final report · Sep 19, 2004 · N57015 · Substantial damage
  > The improper installation of fuel lines by maintenance personnel resulting in a total loss of engine power.
- [NTSB NYC04LA021](https://openairdocs.org/ntsb/NYC04LA021.md): Fleet 16B · Fishers Island, NY · Accident · 2 fatal · Limited investigation · Final report · Nov 2, 2003 · N80656 · Destroyed
  > The pilot's failure to maintain adequate clearance while maneuvering, which resulted in a collision with water.
- [NTSB FTW02LA220](https://openairdocs.org/ntsb/FTW02LA220.md): Fleet 7 Deluxe · Canyon, TX · Accident · Serious injuries · Limited investigation · Final report · Jul 27, 2002 · N790V · Substantial damage
  > The loss of engine power as a result of the malfunction of the magneto switch.
- [NTSB CHI02LA195](https://openairdocs.org/ntsb/CHI02LA195.md): Meyers OTW-145 · Waupun, WI · Accident · No injuries · Limited investigation · Final report · Jul 20, 2002 · N34321 · Substantial damage
  > A loss of engine power due to fuel exhaustion as a result of the fuel pump failure. Contributing to the accident was the wheat field.
- [NTSB LAX01LA288](https://openairdocs.org/ntsb/LAX01LA288.md): Ryan ST3KR · Camarillo, CA · Accident · No injuries · Limited investigation · Final report · Aug 25, 2001 · N48742 · Substantial damage
  > The improper fabrication/reassembly and inspection of the engine throttle control linkage during aircraft restoration by the operator, and the failure of the operator's inspection personnel to detect the error during subsequent annual inspections.
- [NTSB LAX01LA159](https://openairdocs.org/ntsb/LAX01LA159.md): Ryan ST3KR · Murrieta, CA · Accident · No injuries · Limited investigation · Final report · Apr 22, 2001 · N46503 · Substantial damage
  > The failure of the pilot to maintain an adequate visual lookout during taxi to avoid striking a post. A factor in the accident was the inadequate marking of the obstruction by airport personnel.
- [NTSB LAX01LA020](https://openairdocs.org/ntsb/LAX01LA020.md): Ryan ST3KR · Georgetown, CA · Accident · 1 fatal · Limited investigation · Final report · Oct 21, 2000 · N50870 · Destroyed
  > The airplane's encounter with a strong updraft at the end of the runway that induced an increase in the wing's angle of attack to the critical point, which resulted in an inadvertent stall and spin.
- [NTSB MIA00LA242](https://openairdocs.org/ntsb/MIA00LA242.md): Ryan ST3KR · St. Lucie, FL · Accident · No injuries · Limited investigation · Final report · Aug 19, 2000 · N54403 · Substantial damage
  > The pilot's improper judgment to conduct a precautionary landing when he first experienced a partial loss of engine power, and his subsequent failure to maintain a visual lookout during a forced landing resulting in an in-flight collision with a tree.…
- [NTSB NYC00LA173](https://openairdocs.org/ntsb/NYC00LA173.md): Fleet 16B · Rochester, NH · Accident · No injuries · Limited investigation · Final report · Jun 19, 2000 · N162V · Substantial damage
  > The pilot's failure to maintain directional control. A factor in the accident was the pilot's lack of experience in the accident airplane make and model.
- [NTSB MIA99LA195](https://openairdocs.org/ntsb/MIA99LA195.md): Ryan ST3KR · Lake City, FL · Accident · No injuries · Limited investigation · Final report · Jul 10, 1999 · N47306 · Substantial damage
  > the improper maintenance and inspection of the propeller system, which resulted in loose and improperly torqued bolts, causing the subsequent failure of a propeller blade.
- [NTSB LAX98LA288](https://openairdocs.org/ntsb/LAX98LA288.md): Ryan ST3KR · Los Banos, CA · Accident · No injuries · Limited investigation · Final report · Sep 10, 1998 · N22JK · Substantial damage
  > The pilot's decision to takeoff in adverse wind conditions and inadequate compensation for the existing crosswind conditions, which resulted in a failure to maintain runway alignment.
- [NTSB LAX98LA100](https://openairdocs.org/ntsb/LAX98LA100.md): Ryan PT22-ST3KR · Davis, CA · Accident · No injuries · Limited investigation · Final report · Mar 1, 1998 · N57085 · Substantial damage
  > The failure of the pilot to maintain directional control of the aircraft on the landing roll.
- [NTSB LAX96LA312](https://openairdocs.org/ntsb/LAX96LA312.md): Ryan ST3KR · Vacaville, CA · Accident · No injuries · Limited investigation · Final report · Aug 19, 1996 · N57011 · Substantial damage
  > The pilot's failure to maintain directional control of the aircraft during the landing rollout.
- [NTSB FTW96LA278](https://openairdocs.org/ntsb/FTW96LA278.md): Ryan PT-22 · Krum, TX · Accident · Serious injuries · Limited investigation · Final report · Jun 28, 1996 · N47621 · Substantial damage
  > the pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. A factor was his lack of recent experience in the make and model of airplane.
- [NTSB NYC95LA173](https://openairdocs.org/ntsb/NYC95LA173.md): Ryan ST3-KR · Kennett Square, PA · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 1995 · N47082 · Substantial damage
  > The failure of the no. 3 cylinder connecting rod.
- [NTSB FTW95LA142](https://openairdocs.org/ntsb/FTW95LA142.md): Ryan Aeronautical ST3-KR · Blue Ridge, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 20, 1995 · N54430 · Substantial damage
  > The loss of engine power for undetermined reason. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX91LA274](https://openairdocs.org/ntsb/LAX91LA274.md): Ryan ST3KR · Santa Maria, CA · Accident · No injuries · Limited investigation · Final report · Jun 16, 1991 · N46795 · Substantial damage
  > Oil starvation due to the pilot's failure to properly configure the aircraft for the flight during the preflight inspection.
- [NTSB BFO90LA078](https://openairdocs.org/ntsb/BFO90LA078.md): de Havilland DH-82A · Bealeton, VA · Accident · Minor injuries · Limited investigation · Final report · Sep 23, 1990 · N9279 · 2 aircraft · Destroyed
  > The pilot's failure to maintain a vigilent watch for other aircraft operating on the uncontrolled airport. The uneven terrain on the airport restricted visibility and contributed to the accident. Another contributing factor was the improper signals given by…
- [NTSB CHI90LA249](https://openairdocs.org/ntsb/CHI90LA249.md): Ryan PT-22A · Greenville, MI · Accident · No injuries · Limited investigation · Final report · Aug 29, 1990 · N5481L · Substantial damage
  > Separation of a loose cylinder assembly in flight, and unsuitable terrain encountered during the execution of a forced landing.
- [NTSB FTW90LA121](https://openairdocs.org/ntsb/FTW90LA121.md): Cessna 140 · Fabens, TX · Accident · No injuries · Limited investigation · Final report · Jun 20, 1990 · N76728 · 2 aircraft · Substantial damage
  > Inadequate visual lookout by the pilots of both aircraft, which resulted in a failure of each pilot to see-and-avoid the other aircraft. A factor related to the accident was: failure of the ryan ST-3KR pilot to make traffic advizories while entering the…
- [NTSB LAX89LA288](https://openairdocs.org/ntsb/LAX89LA288.md): Ryan ST3KR · Hawthorne, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 26, 1989 · N59466 · Substantial damage
  > Oil starvation of the engine due to the pilot's failure to turn the oil tank supply valve on prior to flight.
- [NTSB NYC89LA196](https://openairdocs.org/ntsb/NYC89LA196.md): Ryan ST-3KR · Factoryville, PA · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 1989 · N239 · Substantial damage
  > Inadequate preflight by the pilot and his misjudgement of the fuel supply, which resulted in fuel exhaustion. The ditch was a related factor.
- [NTSB CHI89FA154](https://openairdocs.org/ntsb/CHI89FA154.md): Ryan PT-22 · Oshkosh, WI · Accident · Minor injuries · Field investigation · Final report · Jul 31, 1989 · N54403 · 2 aircraft · Substantial damage
  > The experimental aircraft association's (eaa's) inadequate procedure for providing control and separation of aircraft, its inadequate surveillance of the operation, and inadequate coordination by ground personnel. Related factors were: the ground personnel's…
- [NTSB DEN89LA134](https://openairdocs.org/ntsb/DEN89LA134.md): Ryan ST-3KR · La Salle, CO · Accident · Serious injuries · Limited investigation · Final report · Jun 6, 1989 · N48749 · Substantial damage
  > Foreign material (insect nest) blocking the fuel system vent, which resulted in a restriction of fuel flow and fuel starvation. A related factor was the alfalfa crop in the emergency landing area.
- [NTSB LAX87LA327](https://openairdocs.org/ntsb/LAX87LA327.md): Ryan ST3KR · Aguila, AZ · Accident · Minor injuries · Limited investigation · Final report · Sep 7, 1987 · N53190 · Substantial damage
  > The plt made a hard landing and bounced. The acft drifted right before touching down again. Directional control was lost when rt wheel went off the rwy.
- [NTSB LAX87FA264](https://openairdocs.org/ntsb/LAX87FA264.md): Ryan ST3KR · Firebaugh, CA · Accident · 2 fatal · Field investigation · Final report · Jul 13, 1987 · N48777 · Destroyed
  > At about 1650 PDT, the plts of 2 Ryan ST3KR acft depd coalinga on a flt to los banos, CA. At about 1709 PDT, the plt of N48777 made a hand signal to the other plt, pointed toward the ground & entered 'a normal glide.' Subsequently, the plt of N48777…
- [NTSB FTW86LA170](https://openairdocs.org/ntsb/FTW86LA170.md): Ryan PT-22 · Kerrville, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 1986 · N48331 · 2 aircraft · Substantial damage
  > While arriving for a 'fly-ing' at an uncontrolled arpt, the plt of a PT-22, N48331, turned onto final apch after the plt of a preceding acft had turned off of the rwy. At about the same time, the plt of an unregistered ultralight gyrocopter taxied onto the…
- [NTSB LAX86LA128](https://openairdocs.org/ntsb/LAX86LA128.md): Ryan ST3KR · Camarillo, CA · Accident · No injuries · Limited investigation · Final report · Feb 26, 1986 · N51122 · Substantial damage
  > The owner of the acft reported that he had just purchased the aircraft and was being checked out at the time of the accident. Shortly after departing cma and upon reaching 1200 ft MSL, the engine lost power. Unable to maintain altitude the check pilot assumed…
- [NTSB FTW85LA285](https://openairdocs.org/ntsb/FTW85LA285.md): Ryan ST3KR (PT-22) · Hondo, TX · Accident · No injuries · Limited investigation · Final report · Jul 14, 1985 · N46170 · Substantial damage
  > The plt was on a x-country flt. Near the destination the eng experienced sudden seizure and all eng pwr was lost. The plt attempted an emergency landing but collided with a pwr line which resulted in substantial damage to the acft. The cause of the loss of…
- [NTSB CHI84LA365](https://openairdocs.org/ntsb/CHI84LA365.md): Meyers OTW · New Athens, OH · Accident · No injuries · Limited investigation · Final report · Aug 27, 1984 · N26490 · Substantial damage
  > The acft nosed over in an open field during a forced landing after the engine quit. 2 witnesses, one an A&P mechanic, reported that there was no evidence of fuel on board the acft after the accident. The plt stated to the highway patrol trooper at the scene…
- [NTSB LAX80DXQ29](https://openairdocs.org/ntsb/LAX80DXQ29.md): Fleet 2 · Imlay, NV · Accident · Minor injuries · Closed · Jun 8, 1980 · N748V · Substantial damage
- [NTSB LAX80DVD10](https://openairdocs.org/ntsb/LAX80DVD10.md): Ryan PT-22 · Oakland, CA · Accident · No injuries · Closed · Feb 5, 1980 · N54907 · Substantial damage
- [NTSB CHI80FEM08](https://openairdocs.org/ntsb/CHI80FEM08.md): Ryan ST-3KR · Holland, MI · Accident · Minor injuries · Closed · Dec 19, 1979 · N47433 · Substantial damage
- [NTSB MKC79DER11](https://openairdocs.org/ntsb/MKC79DER11.md): Ryan PT-22 · Webster, MN · Accident · No injuries · Closed · Oct 19, 1978 · N53148 · Substantial damage
- [NTSB MKC78FCG63](https://openairdocs.org/ntsb/MKC78FCG63.md): Ryan PT-22 · Hiawatha, KS · Accident · No injuries · Closed · Sep 2, 1978 · N48587 · Substantial damage
- [NTSB IAD78FKW07](https://openairdocs.org/ntsb/IAD78FKW07.md): Ryan ST-3KR · Columbia, TN · Accident · Minor injuries · Closed · May 21, 1978 · N54008 · Substantial damage
- [NTSB FTW77FA054](https://openairdocs.org/ntsb/FTW77FA054.md): Ryan ST-3KR · San Angelo, TX · Accident · 1 fatal · Closed · May 15, 1977 · N47432 · Destroyed
- [NTSB OAK77DVD01](https://openairdocs.org/ntsb/OAK77DVD01.md): Ryan ST-3KR · Tracy, CA · Accident · No injuries · Closed · Oct 2, 1976 · N48701 · Substantial damage

Next page: https://openairdocs.org/ntsb.md?engine=37504&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 ('37504'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=37504

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