# NTSB investigations: Lycoming IO-720 series: Loss of control - in flight 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. ## Latest cases - [NTSB LAX07LA280](https://openairdocs.org/ntsb/LAX07LA280.md): Root Sherpa · Scappoose, OR · Accident · Serious injuries · Limited investigation · Final report · Sep 18, 2007 · N1415B · Substantial damage > A loss of aircraft pitch control due to the fatigue failure of the fuselage tube structure at the flight control stick gimbal mechanism due to an incomplete weld penetration at the root of the weld. - [NTSB LAX05GA243](https://openairdocs.org/ntsb/LAX05GA243.md): Aero Commander 680 FL · Las Vegas, NV · Accident · Serious injuries · Final report · Jul 22, 2005 · N7UP · Destroyed > The pilot's excessive selection of flaps prior to takeoff, which resulted in a failure to obtain/maintain an appropriate climb airspeed, and an inadvertent stall/mush during takeoff-initial climb. A factor contributing to the accident was a high density… - [NTSB MIA04LA074](https://openairdocs.org/ntsb/MIA04LA074.md): Terry E. Morris Glasair III · Lakeland, FL · Accident · Minor injuries · Limited investigation · Final report · Apr 18, 2004 · N333ZZ · Substantial damage > The pilot's failure to maintain airspeed and establish a climb during an attempted go-around which resulted in a stall/mush and collision with terrain. His failure to follow air traffic control instructions is a contributing factor. - [NTSB DEN03LA098](https://openairdocs.org/ntsb/DEN03LA098.md): Helio H800 · Cody, WY · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 2003 · N4035K · Substantial damage > the pilot's improper preflight planning and his failure to maintain aircraft control when returning to the airport. Factors contributing to the accident were the oil leak, the attempted precautionary landing, and the downdraft. - [NTSB FTW97LA061](https://openairdocs.org/ntsb/FTW97LA061.md): Piper PA-24-400 · Broomfield, CO · Accident · No injuries · Limited investigation · Final report · Dec 10, 1996 · N8450P · Substantial damage > failure of the pilot to maintain proper alignment with the runway, while landing. A factor relating to the accident was: the variable/gusty wind condition with possible windshear. - [NTSB FTW96LA353](https://openairdocs.org/ntsb/FTW96LA353.md): Piper PA-36-300 · Hale Center, TX · Accident · No injuries · Limited investigation · Final report · Aug 20, 1996 · N57831 · Substantial damage > the pilot's inadequate preflight planning/preparation and failure to obtain and/or maintain adequate airspeed after takeoff, which resulted in an inadvertent stall/mush. The overweight condition of the airplane and high density altitude were related factors. - [NTSB NYC87DHD05](https://openairdocs.org/ntsb/NYC87DHD05.md): Piper PA-36-400 · Mullica Hill, NJ · Accident · Minor injuries · Final report · May 23, 1987 · N2412X · Destroyed > The pilot of the PA-36 was spraying chemicals on trees for control of the gypsy moth. He reported that he was unable to clear power lines and dumped his load. The aircraft settled to the ground. The FAA reported that the weight of the aircraft exceeded the… - [NTSB DEN87LA117](https://openairdocs.org/ntsb/DEN87LA117.md): Piper PA-36-375 · Lamar, CO · Accident · No injuries · Limited investigation · Final report · May 1, 1987 · N2335X · Substantial damage > The commercial plt was on takeoff from a dirt strip with a fully loaded ag acft, for an aerial application flt. After lifting off prematurely, the acft settled to the rwy. The left wing struck a post skidding the acft to the left. After crossing an irrigation… - [NTSB FTW85FRD03](https://openairdocs.org/ntsb/FTW85FRD03.md): Advanced Technology Predator 480 · Welsh, LA · Accident · Minor injuries · Final report · Aug 21, 1985 · N480AG · Destroyed > The acft impacted the terrain in an uncontrolled descent during the initial takeoff climb. The plt reported that after takeoff at an alt of aprx 20 ft AGL, the acft rolled 20 to 25 degs to the right. After correcting for the roll, the plt stated, the acft… - [NTSB MIA82DA183](https://openairdocs.org/ntsb/MIA82DA183.md): Piper PA-36-375 · Astatula, FL · Accident · No injuries · Final report · Sep 18, 1982 · N3808E · Substantial damage > The plt stated the acft failed to become airborne at the usual takeoff point & did not climb when forced into the air. The acft then settled into soft sand. ## 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 ('41546') 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" = 250)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41546&occurrence=250 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.