# NTSB investigations: Lake LA-4

A list on [Lake LA-4](https://openairdocs.org/model/lake-la-4.md).

Matched to the registry by N-number and event date, newest first.

Page 1 of 2 · 100 investigations

- [NTSB ERA24LA324](https://openairdocs.org/ntsb/ERA24LA324.md): Lake LA4 · Catskill, NY · Accident · No injuries · Class 4 · Limited · Final report · Jul 25, 2024 · N1166L · Substantial damage
  > The pilot’s failure to maintain control of the airplane during a takeoff from water in gusting wind conditions.
- [NTSB WPR21LA312](https://openairdocs.org/ntsb/WPR21LA312.md): Lake LA-4 · Lake Isabell, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 3, 2021 · N7615L · Substantial damage
  > The pilot’s failure to establish a positive climb rate after takeoff, which resulted in an impact with an object.
- [NTSB WPR17LA165](https://openairdocs.org/ntsb/WPR17LA165.md): Lake LA 4 · Byron, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 25, 2017 · N7628L · Substantial damage
  > The pilot’s failure to activate the hydraulic system during the approach, and his failure to ensure that the landing gear was down and locked before touchdown. Contributing to the accident was the pilot's decision to operate the airplane with an inoperative…
- [NTSB ERA14CA225](https://openairdocs.org/ntsb/ERA14CA225.md): Lake LA-4 · Chapin, SC · Accident · Minor injuries · Data collection · Final report · Apr 29, 2014 · N1029L · Substantial damage
  > The pilot's improper flare, which resulted in abnormal contact with the water and separation of the right pontoon..
- [NTSB ERA13CA413](https://openairdocs.org/ntsb/ERA13CA413.md): Lake LA-4 · Monticello, KY · Accident · No injuries · Data collection · Final report · Sep 6, 2013 · N1136L · Substantial damage
  > An encounter with a large wave during water taxi, which resulted in the airplane nosing over.
- [NTSB CEN12LA661](https://openairdocs.org/ntsb/CEN12LA661.md): Lake LA4 · Kenosha, WI · Accident · No injuries · Limited investigation · Final report · Sep 27, 2012 · N1127L · Substantial damage
  > The loss of engine power for reasons that could not be determined because examination and test run of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CHI08CA298](https://openairdocs.org/ntsb/CHI08CA298.md): Lake LA-4 · Algonac, MI · Accident · No injuries · Data collection · Final report · Aug 23, 2008 · N1147L · Substantial damage
  > The amphibious airplane's collision with submerged debris during taxi for takeoff, and the resulting damage to the hull.
- [NTSB MIA00LA240](https://openairdocs.org/ntsb/MIA00LA240.md): Lake LA-4 · Pensacola, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 17, 2000 · N2015L · Substantial damage
  > The pilot receiving instruction failure to achieve the proper touch down point during a water landing, and the CFI's improper supervision and failure to initiate a go-around in sufficient time to avoid and in-flight collision with trees, water, and subsequent…
- [NTSB CHI99LA339](https://openairdocs.org/ntsb/CHI99LA339.md): Lake LA-4 · Ann Arbor, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 12, 1999 · N1137L · Substantial damage
  > The pilot's improper touchdown during a water landing.
- [NTSB SEA99LA063](https://openairdocs.org/ntsb/SEA99LA063.md): Lake LA-4 · Coeur D'Alene, ID · Accident · No injuries · Limited investigation · Final report · May 15, 1999 · N152WB · Substantial damage
  > The fatigue failure of a repair weld on one of the engine pylon mount straps and the resultant reduction in directional control. Factors include an inadequate repair of the strap, variable wind speeds and sudden wind shifts.
- [NTSB ANC98LA073](https://openairdocs.org/ntsb/ANC98LA073.md): Lake LA-4 · Saint Mary'S, AK · Accident · No injuries · Limited investigation · Final report · Jun 15, 1998 · N19AK · Substantial damage
  > The pilot's diverted attention during takeoff, and his failure to maintain a proper climb rate. A factor associated with the accident was the presence of birds.
- [NTSB NYC97LA027](https://openairdocs.org/ntsb/NYC97LA027.md): Lake LA-4 · Gallipolis, OH · Accident · No injuries · Limited investigation · Final report · Dec 8, 1996 · N7632L · Substantial damage
  > the pilot's improper recovery from a bounced landing, and his failure to maintain directional control, which resulted in a collision with a hangar and parked aircraft. Factors relating to the accident were: the pilot's encounter with rain, sleet, snow, and…
- [NTSB ANC93LA136](https://openairdocs.org/ntsb/ANC93LA136.md): Lake LA04 · Blair Lake, AK · Accident · No injuries · Limited investigation · Final report · Aug 7, 1993 · N6669L · Substantial damage
  > The pilot's inadvertant entry into a porpoise and subsequent loss of control while step-taxiing prior to takeoff. A factor in the accident was the rough water conditions.
- [NTSB CHI92LA128](https://openairdocs.org/ntsb/CHI92LA128.md): Lake LA-4 · Lee'S Summit, MO · Accident · Minor injuries · Limited investigation · Final report · Apr 12, 1992 · N2032L · Substantial damage
  > A delayed aborted takeoff by the pilot in command. A factor in the accident is the presence of carburetor icing conditions.
- [NTSB MIA92LA009](https://openairdocs.org/ntsb/MIA92LA009.md): Lake LA-4 · Panama City, FL · Accident · Minor injuries · Limited investigation · Final report · Oct 10, 1991 · N25PA · Substantial damage
  > Loss of power due to undetermined reasons. Contributing to the accident was the cfi's inadequate emergency procedures following the reported loss of power.
- [NTSB NYC91LA243](https://openairdocs.org/ntsb/NYC91LA243.md): Lake LA-4 · Wilton, ME · Accident · No injuries · Limited investigation · Final report · Sep 21, 1991 · N1012L · Substantial damage
  > The pilot's improper recovery from a bounced landing on rough water which resulted in the right wing tip contacting the water causing the airplane to nose over and sink. Factors related to the accident were, the pilot's low time and experience in this type…
- [NTSB SEA90FA171](https://openairdocs.org/ntsb/SEA90FA171.md): Lake LA-4 · Onalaska, WA · Accident · 3 fatal · Field investigation · Final report · Jun 9, 1990 · N68DG · Destroyed
  > Improper in-flight planning/decision by the pilot, and his inadvertent flight into instrument meteorological conditions (IMC). Factors related to the accident were: the adverse weather and terrain conditions.
- [NTSB NYC88LA176](https://openairdocs.org/ntsb/NYC88LA176.md): Lake LA-4 · Linden, NJ · Accident · No injuries · Limited investigation · Final report · Jul 4, 1988 · N6655L · Substantial damage
  > Hard landing due to improper level off of the student and the flight instructor's inadequate supervision. The left wing partially failed because of overload and the aircraft made a forced landing in a swamp.
- [NTSB ANC87LA098](https://openairdocs.org/ntsb/ANC87LA098.md): Lake LA-4 · Cool Lake, AK · Accident · No injuries · Limited investigation · Final report · Jul 16, 1987 · N1135L · Substantial damage
  > The pilot stated that during the takeoff on the Lake the aircraft would not lift off the water and he lost directional control of the aircraft causing it to collide with the Lake shore.
- [NTSB BFO87DIA01](https://openairdocs.org/ntsb/BFO87DIA01.md): Lake LA-4 · Stafford, VA · Accident · No injuries · Final report · May 17, 1987 · N527B · Substantial damage
  > During takeoff the aircraft collided with a submerged object which penetrated the hull and dislodged the right pontoon. The aircraft sank in approximately 4 feet of water and was substantially damaged. The pilot and his two passengers were not injured. A boat…
- [NTSB LAX87LA019](https://openairdocs.org/ntsb/LAX87LA019.md): Lake LA4-180 · Folsom, CA · Accident · Serious injuries · Limited investigation · Final report · Oct 18, 1986 · N1118L · Substantial damage
  > During a local cross country pleasure flight, the pilot attempted a landing on Lake Folsom. Upon touchdown the aircraft began settling in the water then nosed over and sank. The pilot stated he felt there was an object in the water that was struck. Witnesses…
- [NTSB NYC85LA188](https://openairdocs.org/ntsb/NYC85LA188.md): Lake LA-4 · Sidney, ME · Accident · No injuries · Limited investigation · Final report · Jul 21, 1985 · N6668L · Substantial damage
  > According to the plt, the acft was on step and in indicating about 45 KTS airspeed. It then encountered a boat wake and began flying. The acft porpoised 2 or 3 times and then collided with the water in an estimated 10 to 15 deg nose down attitude. The pwr was…
- [NTSB SEA84LA076](https://openairdocs.org/ntsb/SEA84LA076.md): Lake LA-4 · Alderwood Manor, WA · Accident · No injuries · Limited investigation · Final report · Apr 3, 1984 · N6665L · Substantial damage
  > According to a witness, he observed the acft from taxi to takeoff, then from base throughout the landing. He observed the acft with the gear down on base leg & said the plt flew a low & short final apch. He stated the plt cut power short of the rwy & the acft…
- [NTSB MIA83LA193](https://openairdocs.org/ntsb/MIA83LA193.md): Lake LA-4 · Gainesville, FL · Accident · No injuries · Limited investigation · Final report · Jul 2, 1983 · N1FQ · Substantial damage
  > The plt stated that during takeoff, the eng appeared to lose power at about 200 ft AGL, but the gauges showed no malfunction. The acft began to settle, so he elected to land on the rwy overrun area. Reportedly, the acft was landed successfully, however, while…
- [NTSB MIA83LA167](https://openairdocs.org/ntsb/MIA83LA167.md): Lake LA-4 · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · Jun 27, 1983 · N2019L · Substantial damage
  > The acft collided with a tree and landed gear up on floats after an engine failure. The pilot was cruising at 1000 ft MSL when the oil pressure dropped to zero and the engine seized. The acft collided with the tops of pine trees while approaching a nearby…
- [NTSB FTW82DA296](https://openairdocs.org/ntsb/FTW82DA296.md): Lake LA-4 · Springdale, AR · Accident · No injuries · Final report · Jul 26, 1982 · N7635L · Substantial damage
  > During takeoff from a touch-and-go landing, the engine went to about idle power. During a forced landing, the left wing and nose collided with trees. Reportedly, the engine started developing full power just as the aircraft collided with trees. No mechanical…
- [NTSB ANC81DAG34](https://openairdocs.org/ntsb/ANC81DAG34.md): Lake LA-4 · Cordova, AK · Accident · No injuries · Closed · Apr 2, 1981 · N1168L · Substantial damage
- [NTSB NYC81FA025](https://openairdocs.org/ntsb/NYC81FA025.md): Lake LA-4 · Middleboro, MA · Accident · 1 fatal · Closed · Feb 7, 1981 · N1125L · Destroyed
- [NTSB NYC80FNE02](https://openairdocs.org/ntsb/NYC80FNE02.md): Lake LA-4 · Griswold, CT · Accident · No injuries · Closed · Nov 16, 1979 · N1164L · Substantial damage
- [NTSB NYC79FA040](https://openairdocs.org/ntsb/NYC79FA040.md): Lake LA-4 · Jonesboro, ME · Accident · 1 fatal · Closed · Apr 20, 1979 · N7639L · Destroyed
- [NTSB NYC79FHD06](https://openairdocs.org/ntsb/NYC79FHD06.md): Lake LA-4 · North Beach, NJ · Accident · Serious injuries · Closed · Dec 2, 1978 · N1013L · Substantial damage
- [NTSB NYC79FNA02](https://openairdocs.org/ntsb/NYC79FNA02.md): Lake LA-4 · Tuckernuck Isl, MA · Accident · No injuries · Closed · Oct 8, 1978 · N1029L · Substantial damage
- [NTSB ANC79DAD02](https://openairdocs.org/ntsb/ANC79DAD02.md): Lake LA-4 · Harding Lake, AK · Accident · No injuries · Closed · Oct 8, 1978 · N1168L · Substantial damage
- [NTSB MIA78DLG31](https://openairdocs.org/ntsb/MIA78DLG31.md): Lake LA-4 · Lexington, SC · Accident · Minor injuries · Closed · Aug 6, 1978 · N6676L · Destroyed
- [NTSB FTW78FRG58](https://openairdocs.org/ntsb/FTW78FRG58.md): Lake LA-4 · San Antonio, TX · Accident · No injuries · Closed · Jun 30, 1978 · N2036L · Substantial damage
- [NTSB MIA78FA053](https://openairdocs.org/ntsb/MIA78FA053.md): Lake LA-4 · Pierson, FL · Accident · 1 fatal · Closed · Mar 14, 1978 · N2038L · Destroyed
- [NTSB OAK78FA014](https://openairdocs.org/ntsb/OAK78FA014.md): Lake LA-4 · Hawthorne, NV · Accident · 1 fatal · Closed · Jan 9, 1978 · N6678L · Destroyed
- [NTSB FTW77FRG20](https://openairdocs.org/ntsb/FTW77FRG20.md): Lake LA-4 · San Antonio, TX · Accident · No injuries · Closed · Dec 22, 1976 · N2036L · Substantial damage
- [NTSB NYC76DNC63](https://openairdocs.org/ntsb/NYC76DNC63.md): Lake LA-4 · Derry, NH · Accident · Serious injuries · Closed · Aug 6, 1976 · N1148L · Substantial damage
- [NTSB CHI76DET22](https://openairdocs.org/ntsb/CHI76DET22.md): Lake LA-4 · Angola, IN · Accident · No injuries · Closed · Nov 23, 1975 · N2036L · Substantial damage
- [NTSB SEA7LFYE18](https://openairdocs.org/ntsb/SEA7LFYE18.md): Lake LA-4 · Alderwood Mnr, WA · Accident · Serious injuries · Closed · Oct 11, 1975 · N2011L · Destroyed
- [NTSB LAX76FUA08](https://openairdocs.org/ntsb/LAX76FUA08.md): Lake LA-4 · Long Beach, CA · Accident · No injuries · Closed · Sep 17, 1975 · N6683L · Destroyed
- [NTSB CHI75FEC59](https://openairdocs.org/ntsb/CHI75FEC59.md): Lake LA-4 · E Lansing, MI · Accident · No injuries · Closed · Jun 18, 1975 · N2019L · Substantial damage
- [NTSB MIA74FLA47](https://openairdocs.org/ntsb/MIA74FLA47.md): Lake LA-4 · Jacksonville, FL · Accident · No injuries · Closed · Jun 11, 1974 · N7636L · Substantial damage
- [NTSB ANC74FAD16](https://openairdocs.org/ntsb/ANC74FAD16.md): Lake LA-4 · Petersburg, AK · Accident · No injuries · Closed · May 27, 1974 · N2012L · Substantial damage
- [NTSB NYC74FNA24](https://openairdocs.org/ntsb/NYC74FNA24.md): Lake LA-4 · Norwood, MA · Accident · No injuries · Closed · Oct 27, 1973 · N7631L · Substantial damage
- [NTSB FTW74DPD04](https://openairdocs.org/ntsb/FTW74DPD04.md): Lake LA-4 · Azle, TX · Accident · Minor injuries · Closed · Jul 31, 1973 · N39368 · Destroyed
- [NTSB NYC74FNC12](https://openairdocs.org/ntsb/NYC74FNC12.md): Lake LA-4 · Bethel, ME · Accident · No injuries · Closed · Jul 22, 1973 · N1127L · Substantial damage
- [NTSB MKC73DCA23](https://openairdocs.org/ntsb/MKC73DCA23.md): Lake LA-4 · St Charles, MO · Accident · No injuries · Closed · May 11, 1973 · N1118L · Substantial damage
- [NTSB MIA73DKT78](https://openairdocs.org/ntsb/MIA73DKT78.md): Lake LA-4 · Key West, FL · Accident · No injuries · Closed · Mar 25, 1973 · N455 · Substantial damage

Next page: https://openairdocs.org/model/lake-la-4/ntsb.md?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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('5110302')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/lake-la-4/ntsb

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