# NTSB investigations: Continental TSIO-520 series, 1991 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 LAX92LA077](https://openairdocs.org/ntsb/LAX92LA077.md): Piper PA46-310P · Carson City, NV · Accident · No injuries · Limited investigation · Final report · Dec 27, 1991 · N9GF · Substantial damage > The failure of the pilot to arrest an excessive sink rate resulting in not attaining the proper touch down point and landing short of the runway threshold. Contributing to the accident was an excessive runway end lip due to inadequate runway end maintenance. - [NTSB CHI92LA047](https://openairdocs.org/ntsb/CHI92LA047.md): Beech B36TC · Mt Pleasant, MI · Accident · No injuries · Limited investigation · Final report · Dec 5, 1991 · N6930C · Substantial damage > Water in the fuel, and an inadequate preflight by the pilot. - [NTSB FTW92FA029](https://openairdocs.org/ntsb/FTW92FA029.md): Cessna 402B · Roanoke, TX · Accident · Serious injuries · Field investigation · Final report · Nov 29, 1991 · N69CR · Destroyed > The operation of the airplane with known deficiencies, a missing air cooling baffle, and inadequate maintenance. Factors were the frozen propeller, inability of the pilot to feather the propeller, inoperative landing gear, the inability of the pilot to… - [NTSB NYC92FA029](https://openairdocs.org/ntsb/NYC92FA029.md): Cessna 340 · Columbus, OH · Accident · 5 fatal · Field investigation · Final report · Nov 13, 1991 · N7672Q · Destroyed > The pilot's improper execution of an emergency procedure, after an engine failure, which resulted in the loss of airplane control. Factors related to the accident were: the pilot's improper management of the fuel system; the pilot's lack of proficiency in… - [NTSB BFO92LA004](https://openairdocs.org/ntsb/BFO92LA004.md): Cessna T210N · Wheeling, WV · Accident · No injuries · Limited investigation · Final report · Oct 26, 1991 · N6466N · Substantial damage > The engine failure caused by fuel starvation and the pilot's improper fuel management. - [NTSB LAX92LA001](https://openairdocs.org/ntsb/LAX92LA001.md): Beech A36TC · Dunsmuir, CA · Accident · Serious injuries · Limited investigation · Final report · Oct 1, 1991 · N140KB · Substantial damage > 1) Improper preflight planning by the aircraft owner, 2) failure of the owner to refuel the aircraft, 3) operation of the aircraft by the owner and a mechanic at a known fuel state below the minimum required for takeoff, and 4) failure of the mechanic to… - [NTSB MIA91WA212](https://openairdocs.org/ntsb/MIA91WA212.md): Cessna 402 · Andros Island, Bahamas · Accident · No injuries · Foreign investigation · Aug 30, 1991 · N64PB · Substantial damage - [NTSB NYC91LA222](https://openairdocs.org/ntsb/NYC91LA222.md): Cessna T-210-M · Clearfield, PA · Accident · No injuries · Limited investigation · Final report · Aug 22, 1991 · N732YB · Substantial damage > Vapor lock of the fuel system resulting in fuel starvation. A factor related to the accident was the failure of the owner to comply with a service letter calling for insulated fuel lines forward of the fire wall. - [NTSB NYC91LA216](https://openairdocs.org/ntsb/NYC91LA216.md): Cessna TU206G · Block Island, RI · Accident · No injuries · Limited investigation · Final report · Aug 22, 1991 · N756UF · Substantial damage > Improper planning/decision by the pilot by electing to takeoff with a known deficiency with the equipment. The deficiency (cracked/leaking float) was a related factor. - [NTSB SEA91LA214](https://openairdocs.org/ntsb/SEA91LA214.md): Beech 58TC · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Aug 17, 1991 · N350TH · Substantial damage > The pilot's failure to extend the landing gear. A factor contributing to the accident was the pilot's failure to identtify a down and locked landing gear condition prior to touchdown. - [NTSB ATL91FA161](https://openairdocs.org/ntsb/ATL91FA161.md): Cessna 402B · Kathleen, GA · Accident · 3 fatal · Field investigation · Final report · Aug 16, 1991 · N5855M · Destroyed > The pilot's failure to maintain aircraft control while descending at night. Factors related to the accident were: darkness, fog, the pilot's lack of qualification in multi-engine aircraft, his lack of experience in this type of aircraft, his overconfidence in… - [NTSB LAX91LA350](https://openairdocs.org/ntsb/LAX91LA350.md): Cessna 402C · Grand Canyon, AZ · Accident · No injuries · Limited investigation · Final report · Aug 9, 1991 · N161TA · Substantial damage > The failure of the airport operator to develop animal control procedures for the airport property. - [NTSB NYC91LA198](https://openairdocs.org/ntsb/NYC91LA198.md): Piper PA-32R-300 · Atlantic City, NJ · Accident · No injuries · Limited investigation · Final report · Aug 3, 1991 · N2237M · 2 aircraft · Substantial damage > The failure of the pilot of N6877M to insure the runway was clear prior to pulling onto the runway. - [NTSB CHI91DCJ04](https://openairdocs.org/ntsb/CHI91DCJ04.md): Cessna T188C · Grand Island, NE · Accident · No injuries · Final report · Aug 1, 1991 · N2872J · Substantial damage > The pilot's failure to maintain adequate clearance from crops during aerial application maneuvers. Related factors are the failure of a propeller pitch change mechanism and the pilot's diverted attention. - [NTSB SEA91LA189](https://openairdocs.org/ntsb/SEA91LA189.md): Beech V35A · Weiser, ID · Accident · No injuries · Limited investigation · Final report · Jul 20, 1991 · N8081R · Substantial damage > The pilot did not refuel the airplane resulting in fuel exhaustion. - [NTSB CHI91DTG04](https://openairdocs.org/ntsb/CHI91DTG04.md): Cessna T188C · Walhalla, ND · Accident · No injuries · Final report · Jul 17, 1991 · N2093J · Substantial damage > Inadequate compensation for wind conditions, and failure to maintain directional control. Factors related to the accident are gusty crosswind conditions. - [NTSB SEA91LA117](https://openairdocs.org/ntsb/SEA91LA117.md): Cessna T-210N · Klamath Falls, OR · Accident · Minor injuries · Limited investigation · Final report · May 27, 1991 · N5375A · Substantial damage > The loss of engine power due to failure of the number 5 cylinder rod bearing which resulted from lack of lubrication of the main bearing. - [NTSB SEA91LA118](https://openairdocs.org/ntsb/SEA91LA118.md): Beech A36TC · Ogden, UT · Accident · No injuries · Limited investigation · Final report · May 24, 1991 · N3671F · Substantial damage > Loss of control by the pilot due to inadequate preflight planning and preparation which resulted in over gross weight aircraft loading. A factor relating to the accident was the high density altitude weather conditions. - [NTSB MIA91LA139](https://openairdocs.org/ntsb/MIA91LA139.md): Cessna TU-206G · Gulf Of Mexico · Accident · 1 fatal · Limited investigation · Final report · May 9, 1991 · N6567Z · Destroyed > An in flight collision with the water for undetermined reasons. - [NTSB NYC91LA127](https://openairdocs.org/ntsb/NYC91LA127.md): Cessna 414A · Piqua, OH · Accident · No injuries · Limited investigation · Final report · May 7, 1991 · N222SV · Substantial damage > The pilot's incomplete preflight of the fuel quantity and the inaccurate fuel gages, which resulted in fuel starvation and total loss of engine power and subsequent forced landing on rough terrain. Factors relating to the accident were the pilot's improper… - [NTSB NYC91LA118](https://openairdocs.org/ntsb/NYC91LA118.md): Cessna P210 · Olean, NY · Accident · No injuries · Limited investigation · Final report · Apr 18, 1991 · N90TL · Substantial damage > Improper flare by the pilot, which resulted in a hard landing. Factors related to the accident were: the pilot's lack of recent experience and the unfavorable wind condition. - [NTSB LAX91LA164](https://openairdocs.org/ntsb/LAX91LA164.md): Piper PA 46 · North Hollywood, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 8, 1991 · N9113X · Destroyed > The pilot-in-command's poor preflight planning, inadequate fuel consumption calculations which resulted in a loss of engine power due to fuel exhaustion, and the pilot-in-command's failure to follow air traffic control verbal instructions which would have… - [NTSB NYC91LA094](https://openairdocs.org/ntsb/NYC91LA094.md): Cessna T210N · Milleville, NJ · Accident · Minor injuries · Limited investigation · Final report · Mar 25, 1991 · N6237Y · Substantial damage > The total loss of engine power caused by mechanical failure, which resulted in the pilot landing the airplane on unsuitable terrain. - [NTSB MIA91RA102](https://openairdocs.org/ntsb/MIA91RA102.md): Cessna 402C · Treasure Cay, Bahamas · Accident · 5 fatal · Foreign investigation · Mar 18, 1991 · N5785C - [NTSB MIA91MA100](https://openairdocs.org/ntsb/MIA91MA100.md): Piper PA-46-310P · Bronson, FL · Accident · 4 fatal · Major investigation · Final report · Mar 17, 1991 · N9112K · Destroyed > The pilot's failure to activate the pitot heat before ascending above the freezing level in instrument meteorological conditions (IMC), followed by his improper response to erroneous airspeed indications that resulted from blockage of the pitot tube by… - [NTSB CHI91LA105](https://openairdocs.org/ntsb/CHI91LA105.md): Cessna 401 · St. Louis, MO · Accident · No injuries · Limited investigation · Final report · Mar 6, 1991 · N401RW · Substantial damage > The landing gear locking mechanism (bell crank) had fractured. - [NTSB LAX91FA117](https://openairdocs.org/ntsb/LAX91FA117.md): Beech 58P · Green Valley, CA · Accident · 1 fatal · Field investigation · Final report · Mar 2, 1991 · N6666Q · Destroyed > The pilot's loss of aircraft control due to his disregard for and poor evaluation of significant weather advisories forecasting adverse weather conditions along the route of flight and the pilot's decision to initiate the flight. - [NTSB DEN91FA048](https://openairdocs.org/ntsb/DEN91FA048.md): Cessna T210M · Taos, NM · Accident · 1 fatal · Field investigation · Final report · Mar 2, 1991 · N761MU · Destroyed > The pilot's decision to initiate flight into freezing rain which resulted in structural icing that exceeded the ability of the aircraft to maintain flight. A factor was: improper deicing. - [NTSB CHI91LA101](https://openairdocs.org/ntsb/CHI91LA101.md): Cessna T210N · Elwood, IN · Accident · No injuries · Limited investigation · Final report · Feb 27, 1991 · N210MS · Substantial damage > The pilot's improper use of the fuel selector which resulted in fuel starvation. A related factor was: soft terrain in the emergency landing area. - [NTSB MIA91WA079](https://openairdocs.org/ntsb/MIA91WA079.md): Beech B36TC · Pitts Town, Bahamas · Accident · No injuries · Foreign investigation · Feb 3, 1991 · N6650H · Substantial damage - [NTSB LAX91FA081](https://openairdocs.org/ntsb/LAX91FA081.md): Cessna T210M · Sacramento, CA · Accident · 1 fatal · Field investigation · Final report · Jan 26, 1991 · N210TW · Destroyed > A loss of engine power for undetermined reasons and the pilot's failure to maintain airspeed during the ensuing emergency landing. - [NTSB LAX91FA066](https://openairdocs.org/ntsb/LAX91FA066.md): Cessna T210M · Sacramento, CA · Accident · 1 fatal · Field investigation · Final report · Jan 6, 1991 · N6148B · Destroyed > The failure of the pilot-in-command to maintain control of the airplane while flying in instrument meteorological conditions and spatial disorientation of the pilot-in-command. Contributing to the accident was diversion of the pilot's attention to… - [NTSB CHI91LA056](https://openairdocs.org/ntsb/CHI91LA056.md): Cessna 340 · Chesterfield, MO · Accident · No injuries · Limited investigation · Final report · Jan 3, 1991 · N14DB · Substantial damage > Failure of the pilot to maintain directional control during the landing roll. Factors related to the accident are a foggy windshield, misjudgement of altitude, premature landing flare, and slush on the runway. ## 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 year(c."eventDate") = 1991 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17040')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=17040&year=1991 --- 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.