# NTSB investigations, NH: Loss of engine power(total) - 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 NYC06FA027](https://openairdocs.org/ntsb/NYC06FA027.md): Embraer 110P1 · Manchester, NH · Accident · Serious injuries · Field investigation · Final report · Nov 8, 2005 · N7801Q · Destroyed > The pilot’s misapplication of flight controls following an engine failure. Contributing to the accident was the failure of the sun gear, which resulted in the loss of engine power. Contributing to the sun gear failure were the engine manufacturer’s… - [NTSB NYC02LA002](https://openairdocs.org/ntsb/NYC02LA002.md): Beech C-45H · Hudson, NH · Accident · Minor injuries · Limited investigation · Final report · Oct 2, 2001 · N8393H · Substantial damage > The pilot/owner's failure to properly identify the inoperative engine prior to feathering the wrong propeller, and his lack of familiarity with the required corrective procedures. A factor was the initial engine failure. - [NTSB IAD99FA025](https://openairdocs.org/ntsb/IAD99FA025.md): Lake LA-4-250 · Laconia, NH · Accident · 1 fatal · Field investigation · Final report · Jan 4, 1999 · N14001 · Destroyed > A loss of engine power during initial climb due to oil starvation. Contributing to the accident was the failure to perform an engine overhaul. - [NTSB NYC96LA001](https://openairdocs.org/ntsb/NYC96LA001.md): Cheney Avid Flyer · Newton, NH · Accident · No injuries · Limited investigation · Final report · Oct 2, 1995 · N29GC · Substantial damage > The seizure of a piston during the takeoff climb, resulting in a loss of engine power, forced landing, and subsequent collision with trees. - [NTSB NYC95LA183](https://openairdocs.org/ntsb/NYC95LA183.md): Beech C23 · Dublin, NH · Accident · No injuries · Limited investigation · Final report · Aug 7, 1995 · N9310S · Substantial damage > The loss of engine power due to improper major overhaul of the engine by the reuse of worn piston pins. The rough/ uneven terrain in the emergency landing area was a factor. - [NTSB NYC95LA028](https://openairdocs.org/ntsb/NYC95LA028.md): Rans/Hine S-10 · Hampton, NH · Accident · No injuries · Limited investigation · Final report · Oct 15, 1994 · N104AH · Substantial damage > a seized piston in the foward cylinder due to a lean mixture. - [NTSB NYC95LA004](https://openairdocs.org/ntsb/NYC95LA004.md): Cessna 182N · New London, NH · Accident · No injuries · Limited investigation · Final report · Oct 8, 1994 · N8903G · Substantial damage > the failure of the number four push rod, which resulted in the complete loss of engine power and forced landing, and the subsequent nose over on soft terrain. - [NTSB NYC91DNC04](https://openairdocs.org/ntsb/NYC91DNC04.md): Laurent A. Cloutier BD-5B · Gilford, NH · Accident · Minor injuries · Final report · Aug 3, 1991 · N245BD · Substantial damage > Engine failure due to a faulty oil pressure relief valve resulting in an emergency landing on unsuitable terrain. - [NTSB NYC88LA117](https://openairdocs.org/ntsb/NYC88LA117.md): Mooney M20 · Manchester, NH · Accident · No injuries · Limited investigation · Final report · Mar 27, 1988 · N2746W · Substantial damage > Maintenance personnel improperly installed the number two connecting rod (p/n L-10646) causing it to separate, create a hole in the engine case, loss of engine oil and engine power. Due to the pilot's improper inflight decision, he performed a wheels up… - [NTSB NYC87DNC01](https://openairdocs.org/ntsb/NYC87DNC01.md): Enstrom F-28A · Belmont, NH · Accident · No injuries · Final report · Oct 11, 1986 · N238Q · Substantial damage > The helicopter was in cruise flt when an engine failure occurred. The plt entered an autorotation and made a hard landing which collapsed the left front strut. The nose lowered as the tail cone rose and the main rotor made contact with the tail rotor. The… - [NTSB NYC86LA090](https://openairdocs.org/ntsb/NYC86LA090.md): Beech S35 · Laconia, NH · Accident · Minor injuries · Limited investigation · Final report · Mar 22, 1986 · N5629K · Substantial damage > During cruise flt, the acft eng failed & oil covered the windshield & side windows. Subsequently, the acft crash landed into wooded terrain while in a wings level attitude at low speed. Tests showed the eng crankshaft had failed from fatigue. The fatigue… - [NTSB NYC85LA005](https://openairdocs.org/ntsb/NYC85LA005.md): Bell 47G3-B1 · Moultonboro, NH · Accident · No injuries · Limited investigation · Final report · Oct 7, 1984 · N401GC · Substantial damage > Acft was climbing through a mountain saddle when the engine began to backfire and lose power. Plt entered autorotation & settled into trees on autorotative flare. Engine inspection revealed #3 cylinder intake valve springs broken. - [NTSB NYC84FA009](https://openairdocs.org/ntsb/NYC84FA009.md): Bell 206B III · Hudson, NH · Accident · 1 fatal · Field investigation · Final report · Oct 18, 1983 · N5011N · Destroyed > The plt was on a flt to pick up film for a tv station. While en route, he made a mayday call to the manchester control tower. According to witnesses, the acft was proceeding in a northerly direction at about 700 to 1000 ft AGL when they heard a 'muffled pop.'… ## 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" = 'NH' 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" = 351) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=351&state=NH --- 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.