# NTSB investigations, IA: Loss of engine power(partial) - mech failure/malf 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 CHI04FA234](https://openairdocs.org/ntsb/CHI04FA234.md): Cessna 172E · Decorah, IA · Accident · 2 fatal · Field investigation · Final report · Aug 22, 2004 · N5410T · Destroyed > The pilot's intentional operation of the airplane with a defective magneto, his failure to abort the takeoff due to degraded aircraft performance, and his failure to obtain or maintain airspeed which resulted in a stall/spin and subsequent impact with the… - [NTSB CHI01LA303](https://openairdocs.org/ntsb/CHI01LA303.md): Cessna 172N · Sheldon, IA · Accident · Minor injuries · Limited investigation · Final report · Sep 1, 2001 · N5593E · Substantial damage > the in-flight planning/decision and proper touchdown point not attained by the pilot. Contributing factors were the ingested exhaust valve and lack of experience of the pilot. - [NTSB CHI96FA146](https://openairdocs.org/ntsb/CHI96FA146.md): Cessna 421 · Bernard, IA · Accident · 3 fatal · Field investigation · Final report · Apr 29, 1996 · N341DA · Destroyed > the pilot's operation of the airplane with known deficiencies, subsequent loss of oil from the left engine, and the pilot's failure to maintain minimum controllable airspeed (VMC), while diverting to an alternate airport. Factors relating to the accident… - [NTSB CHI93LA325](https://openairdocs.org/ntsb/CHI93LA325.md): Cessna 152-II · Keokuk, IA · Accident · No injuries · Limited investigation · Final report · Aug 17, 1993 · N47716 · Substantial damage > the loss of engine power due to an exhaust valve failure. A factor related to the accident is the power line. - [NTSB MKC89LA072](https://openairdocs.org/ntsb/MKC89LA072.md): Cessna 310 · Cedar Rapids, IA · Accident · No injuries · Limited investigation · Final report · Mar 4, 1989 · N98934 · Substantial damage > The proper touchdown point was not attained by the pilot and the crankshaft failure on one engine. Contributing to the accident were the weather conditions and the approach lights which were contacted. - [NTSB MKC88DCD02](https://openairdocs.org/ntsb/MKC88DCD02.md): Prairie Flyers Tierra II · Prairie City, IA · Accident · Serious injuries · Final report · Aug 7, 1988 · N823PF · Destroyed > The pilot was attempting to land in a hayfield and decided to abort the landing due to rough condition of field. As he pushed the throttle forward, the engine faltered and the plane touched down. The aborted landing was continued due to speed and… - [NTSB MKC88LA061](https://openairdocs.org/ntsb/MKC88LA061.md): Beech A36 · Cherokee, IA · Accident · No injuries · Limited investigation · Final report · Mar 15, 1988 · N8136R · Substantial damage > The plt stated, that shortly after takeoff, the engine lost substantial pwr. Afterwards there was smoke in the cockpit. The PIC reversed his course with the intent to land on the departure arpt. When he felt he had the ldg field made, he attempted to lower… - [NTSB MKC87LA119](https://openairdocs.org/ntsb/MKC87LA119.md): Beech B35 · Keokuk, IA · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 1987 · N7973D · Substantial damage > The PIC rptd a loss of manifold press during cruise flt and an inability to maintain alt. A forced lndg was made to the Keokuk arpt, but the PIC stated he was too high and fast for a lndg. The PIC made a go-around, but again approached too fast. Another… - [NTSB MKC85LA071](https://openairdocs.org/ntsb/MKC85LA071.md): Cessna 152 · Norwalk, IA · Accident · No injuries · Limited investigation · Final report · Mar 14, 1985 · N67399 · Substantial damage > Approaching des moines airport the plt rptd to approach control of eng problems and wanted to know what airport was close for an precautionary landing. An attempt was made to land at an airstrip 3 mi east of his present posn. Unable to land at the airstrip… - [NTSB MKC85LA018](https://openairdocs.org/ntsb/MKC85LA018.md): Piper PA-18-150 · Algona, IA · Accident · No injuries · Limited investigation · Final report · Nov 7, 1984 · N4312Z · Substantial damage > At about 100 ft AGL after takeoff, eng lost pwr. Plt attempted to circle to land on closest runway but eng was developing insufficient pwr to maintain altitude in turn. Acft touched down 150 ft short of threshold. Plt did not level wings prior to touchdown.… - [NTSB MKC84FA234](https://openairdocs.org/ntsb/MKC84FA234.md): Sims - Basset Varieze · Clarinda, IA · Accident · 2 fatal · Field investigation · Final report · Jul 27, 1984 · N4229G · Destroyed > Witnesses observed a ground run of aprx 2000 ft before lift-off was achieved after which the acft appeared to climb laboriously to about 100 ft AGL. Acft then executed steep, descending rt turn of about 240 degrees back toward the arpt. Acft collided with pwr… - [NTSB MKC83LA211](https://openairdocs.org/ntsb/MKC83LA211.md): Mooney M20C · Bloomfield, IA · Accident · No injuries · Limited investigation · Final report · Sep 4, 1983 · N4057N · Substantial damage > While en route, the plt encountered a progressive, partial power loss. At 1st the eng began running rough, then the manifold pressure dropped to 15 inches (18 inches had been set for cruise). He heard a clicking noise & started a descent from his cruise alt… - [NTSB MKC82DA158](https://openairdocs.org/ntsb/MKC82DA158.md): Fairchild Hiller FH 1100 · Mason City, IA · Accident · No injuries · Final report · Aug 26, 1982 · N1345Q · Substantial damage > During a swath run, the engine RPM dropped to flight idle and the helicopter was landed hard in a clear area beside the field. An investigation revealed that a sensing line for the fuel control system had failed. This prevented the engine from operating above… ## 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."eventStateOrRegion" = 'IA' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 352) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=352&state=IA --- 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.