# NTSB investigations, ID: 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 SEA06CA190](https://openairdocs.org/ntsb/SEA06CA190.md): Coltrin RV-6 · Burley, ID · Accident · No injuries · Data collection · Final report · Sep 27, 2006 · N566JH · Substantial damage
  > A loss of engine power due to the malfunctioning of the carburetor. A factor was the airplane nosing over due to the rough/uneven terrain.
- [NTSB SEA04LA189](https://openairdocs.org/ntsb/SEA04LA189.md): Cessna P206A · Clearwater, ID · Accident · No injuries · Limited investigation · Final report · Sep 13, 2004 · N4661F · Substantial damage
  > A loss of engine power due to fatigue crack propagation of the number three piston pin while in cruise flight, leading to a power off forced landing in an open field. Factors include soft uphill terrain.
- [NTSB SEA03LA183](https://openairdocs.org/ntsb/SEA03LA183.md): Piper PA-28-140 · Homedale, ID · Accident · Serious injuries · Limited investigation · Final report · Sep 3, 2003 · N15367 · Substantial damage
  > Loss of engine power during descent due to a failed cylinder head.
- [NTSB SEA03FA179](https://openairdocs.org/ntsb/SEA03FA179.md): Aero Commander Callair A-9B · Driggs, ID · Accident · No injuries · Field investigation · Final report · Aug 25, 2003 · N7924V · Substantial damage
  > A loss of engine power due to the improper installation of a counterweight roller pin retaining washer circlip, leading to the circlip coming out of its groove and the counterweight roller pin coming in contact with two of the engines connecting rods.…
- [NTSB SEA03FA169](https://openairdocs.org/ntsb/SEA03FA169.md): Aerospatiale AS350D · Webb, ID · Accident · Serious injuries · Field investigation · Final report · Aug 13, 2003 · N57731 · Substantial damage
  > An over temperature condition within the gas generator turbine which led to first stage turbine blade fatigue as well as first stage blade track warping and consequent blade tip rub. The fatigue and blade tip rub ultimately led to blade separation and failure…
- [NTSB SEA03LA129](https://openairdocs.org/ntsb/SEA03LA129.md): Cessna 182J · Athol, ID · Accident · No injuries · Limited investigation · Final report · Jul 5, 2003 · N3367F · Substantial damage
  > The failure of one of the number five connecting rod cap bolts during cruise flight due to the associated number five rod cap bolt nut being insufficiently torqued at the last major overhaul. Factors include a culvert alongside the road where the pilot found…
- [NTSB SEA03LA021](https://openairdocs.org/ntsb/SEA03LA021.md): Hughes 369D · Boise, ID · Accident · No injuries · Limited investigation · Final report · Dec 24, 2002 · N8366F · Substantial damage
  > The failure of the operator's maintenance personnel to properly rig the left/right seat twistgrip throttles to the engine fuel control, the pilot in command's failure to adhere to the rotorcraft flight manual, and the check pilot's premature flare during the…
- [NTSB SEA02LA161](https://openairdocs.org/ntsb/SEA02LA161.md): Air Tractor AT-502B · Rigby, ID · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 2002 · N6146G · Substantial damage
  > The failure of one or more compressor turbine blades resulting in a shutdown of the engine during initial climb resulting in a forced landing. Contributing factors were the eroded condition of the compressor turbine guide vane nozzles and the ditch which the…
- [NTSB SEA02LA123](https://openairdocs.org/ntsb/SEA02LA123.md): Grumman-Schweizer G-164B · Weiser, ID · Accident · No injuries · Limited investigation · Final report · Jul 6, 2002 · N8440K · Substantial damage
  > The fracture of the number 3 cylinder exhaust pushrod resulting in the exhaust valve's inability to open during the exhaust cycle and the subsequent engine stoppage. Contributing factors were the ditch and elevated roadway which the aircraft crossed during…
- [NTSB SEA01LA121](https://openairdocs.org/ntsb/SEA01LA121.md): Kaman HH-43B · Mullan, ID · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 2001 · N556D · Substantial damage
  > The development of multiple fatigue cracks which ultimately resulted in the fracture of the 1st stage gas producer turbine rotor sealing disc. Factors contributing to the accident were mountainous/hilly and unsuitable terrain conditions.
- [NTSB SEA00FA015](https://openairdocs.org/ntsb/SEA00FA015.md): Kaman K-1200 · Emida, ID · Accident · No injuries · Field investigation · Final report · Nov 4, 1999 · N164KA · Substantial damage
  > Failure of the splined engine adaptor as a result of torsional overstress. Factors include a worn freewheeling clutch assembly.
- [NTSB SEA98FA104](https://openairdocs.org/ntsb/SEA98FA104.md): Garlick UH-1H · Couer D'Alene, ID · Accident · No injuries · Field investigation · Final report · Jun 18, 1998 · N869W · Substantial damage
  > Fatigue failure of a reduction drive planetary gear. Factors include an unapproved part and plating process, and uneven terrain at the emergency landing site.
- [NTSB SEA97LA195](https://openairdocs.org/ntsb/SEA97LA195.md): Cessna 170 · Elk City, ID · Accident · Serious injuries · Limited investigation · Final report · Aug 24, 1997 · N3964V · Destroyed
  > Oil starvation of the engine due to undetermined reasons, which led to the failure and separation of a main bearing and a connecting rod. A factor contributing to the accident was the lack of suitable terrain for a successful forced landing.
- [NTSB SEA95LA221](https://openairdocs.org/ntsb/SEA95LA221.md): Bell UH-1L · Grace, ID · Accident · Serious injuries · Limited investigation · Final report · Sep 18, 1995 · N70410 · Destroyed
  > the fatigue failure of the centrifugal impeller and the lack of suitable terrain for a forced landing. Factors contributing to the accident were: the lack of required compliance with the FAA Airworthiness Directive by the operator, the insufficiently defined…
- [NTSB SEA95LA138](https://openairdocs.org/ntsb/SEA95LA138.md): Grumman G-164A · Burley, ID · Accident · No injuries · Limited investigation · Final report · Jul 8, 1995 · N8946H · Substantial damage
  > A total loss of engine power due to fatigue failure of the crankshaft. A factor in the accident was the lack of suitable terrain for the forced landing.
- [NTSB SEA94LA235](https://openairdocs.org/ntsb/SEA94LA235.md): Cessna 172M · Coolin, ID · Accident · Minor injuries · Limited investigation · Final report · Sep 7, 1994 · N61838 · Substantial damage
  > The failure of the engine manufacturer to properly remanufacture and adequately inspect the no. 1 rocker arm prior to its installation on the engine. This resulted in fatigue cracking of the rocker arm and a subsequent loss of engine power.
- [NTSB SEA94LA196](https://openairdocs.org/ntsb/SEA94LA196.md): Cessna T210M · Rathdrum, ID · Accident · No injuries · Limited investigation · Final report · Jul 26, 1994 · N761TK · Substantial damage
  > The fatigue failure of the crankshaft and a slipped bearing.
- [NTSB SEA94LA151](https://openairdocs.org/ntsb/SEA94LA151.md): Cessna 182Q · Indian Valley, ID · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 1994 · N735QB · Substantial damage
  > Connecting rod bolt fatigue and no suitable terrain for the forced landing.
- [NTSB SEA94LA136](https://openairdocs.org/ntsb/SEA94LA136.md): Ayres S2R · Burley, ID · Accident · No injuries · Limited investigation · Final report · Jun 2, 1994 · N8542 · Substantial damage
  > A loose carburetor. Factors include no suitable terrain for making a forced landing, and trees in the field where the forced landing took place.
- [NTSB SEA94LA135](https://openairdocs.org/ntsb/SEA94LA135.md): Piper PA-25-260 · Rexburg, ID · Accident · Serious injuries · Limited investigation · Final report · May 28, 1994 · N4842Y · Substantial damage
  > Engine failure after loss of oil due to a ruptured oil line.
- [NTSB SEA93LA034](https://openairdocs.org/ntsb/SEA93LA034.md): Bell 47G3-B2A · Montpelier, ID · Accident · No injuries · Limited investigation · Final report · Dec 7, 1992 · N58131 · Substantial damage
  > The loss of engine power due to leaking internal carburetor seals, resulting from improper repair of the carburetor by an acft repair station.
- [NTSB SEA92FA019](https://openairdocs.org/ntsb/SEA92FA019.md): Cessna C-402B · Boise, ID · Accident · 2 fatal · Field investigation · Final report · Nov 16, 1991 · N29517 · Destroyed
  > The loss of power on the right engine during initial climb after takeoff due to inadequate maintenance inspection and adjustment of the engine by company maintenance personnel, and the loss of control by the pilot due to his failure to properly configure the…
- [NTSB SEA91LA167](https://openairdocs.org/ntsb/SEA91LA167.md): Cessna A188B · Burley, ID · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 1991 · N6302G · Destroyed
  > Powerplant failure for undetermined reasons. Factors include in-flight collision with a tree.
- [NTSB SEA89LA162](https://openairdocs.org/ntsb/SEA89LA162.md): Cessna TU206G · Moore, ID · Accident · No injuries · Limited investigation · Final report · Sep 4, 1989 · N666HS · Substantial damage
  > Fuel exhaustion due to the pilot's inaccurate fuel consumption calculations. Contributing to the accident was a fence.
- [NTSB SEA89LA133](https://openairdocs.org/ntsb/SEA89LA133.md): Aeronca 7AC · American Falls, ID · Accident · No injuries · Limited investigation · Final report · Jul 16, 1989 · N1636E · Substantial damage
  > An engine failure due to stripped and broken teeth on a magneto drive gear in the accessory gear box. A soft field caused the nose over during the forced landing.
- [NTSB SEA87LA163](https://openairdocs.org/ntsb/SEA87LA163.md): Cessna T-207 · Mccall, ID · Accident · No injuries · Limited investigation · Final report · Jul 9, 1987 · N6385H · Substantial damage
  > During climb out to cruise altitude the pilot noticed a drop in manifold pressure and a loss of oil pressure. The pilot was in the process of attempting to reach an airstrip when the oil pressure dropped to zero followed by a total loss of power. An off…
- [NTSB SEA87LA121](https://openairdocs.org/ntsb/SEA87LA121.md): Grumman G-164A · Viola, ID · Accident · No injuries · Limited investigation · Final report · Jun 24, 1987 · N5285 · Substantial damage
  > During an aerial applications maneuver a total loss of power occurred due to the internal failure of the supercharger impeller. During the forced landing the left main gear collapsed causing the aircraft to nose over inverted.
- [NTSB SEA87LA056](https://openairdocs.org/ntsb/SEA87LA056.md): Cessna 150 · Mountain Home, ID · Accident · No injuries · Limited investigation · Final report · Feb 12, 1987 · N50724 · Substantial damage
  > Acft lost pwr on init climb from takeoff, necessitating a forced landing in an open field. Acft nosed over inverted after touchdown in soft terrain. Investigation revealed #3 cylinder rocker arm bosses had broken. Inspection showed, during previous repair,…
- [NTSB SEA86LA030](https://openairdocs.org/ntsb/SEA86LA030.md): Bell 47G-3B · Kimberly, ID · Accident · Serious injuries · Limited investigation · Final report · Dec 12, 1985 · N73208 · Substantial damage
  > A forced landing with a rollover onto snow occurred due to the number 3 cylinder rod failing.
- [NTSB SEA85LA204](https://openairdocs.org/ntsb/SEA85LA204.md): Welch Avid Flyer · Bonner'S Ferry, ID · Accident · No injuries · Limited investigation · Final report · Aug 28, 1985 · N64LW · Substantial damage
  > The plt reported that during takeoff, the eng seized as the acft was climbing thru about 350 ft AGL over the end of the rwy. He stated that the acft was in a maximum climb when the eng seized & immediately went into a power off stall. He recovered from the…
- [NTSB SEA85LYA01](https://openairdocs.org/ntsb/SEA85LYA01.md): Rockwell S2R · Caldwell, ID · Accident · No injuries · Final report · Aug 4, 1985 · N5511X · Substantial damage
  > An aero commander S2R had been modified by the installation of an air research TPE-331-43A power plant. During an aerial application flight the pilot heard a loud bang and experienced a loss of power. Investigation revealed the first stage turbine whee, part…
- [NTSB SEA85LA187](https://openairdocs.org/ntsb/SEA85LA187.md): Grumman 164A · Shelley, ID · Accident · No injuries · Limited investigation · Final report · Jul 30, 1985 · N5186 · Substantial damage
  > The safety broke in the carburetor and the seat backed out causing fuel starvation. The carburetor had been overhauled 350 hours prior to the accident.
- [NTSB SEA85LA140](https://openairdocs.org/ntsb/SEA85LA140.md): Cessna 188A · Pocatello, ID · Accident · Serious injuries · Limited investigation · Final report · Jun 17, 1985 · N5695J · Substantial damage
  > During aerial application the aircrafts engine ceased operating. During engine tear down it was discovered that the engine's #2 connecting rod was broken and had come through the top of the crankcase. Recommended overhaul time is 1200 hours. This engine had a…
- [NTSB SEA85LA132](https://openairdocs.org/ntsb/SEA85LA132.md): Grumman G-164A · Kendrick, ID · Accident · No injuries · Limited investigation · Final report · Jun 9, 1985 · N7997 · Substantial damage
  > The plt had finished spraying a field & was returning to the ag strip when the eng failed. He made an emerg landing in a barley field which was muddy & soft. During the landing roll, the wheels sank in the terrain & the acft nosed over. An exam revealed that…
- [NTSB SEA84FA063](https://openairdocs.org/ntsb/SEA84FA063.md): Enstrom 280C · Middleton, ID · Accident · 2 fatal · Field investigation · Final report · Feb 29, 1984 · N51715 · Destroyed
  > The acft collided with the terrain during a test flt. Witnesses observed the acft rotate about 180 degrees about its vertical axis go nose low and descend vertically to the ground. A noise change described as a 'sputter' or tone change' was heard during this…
- [NTSB SEA83LA102](https://openairdocs.org/ntsb/SEA83LA102.md): Cessna TRI82 · Idaho Falls, ID · Accident · Serious injuries · Limited investigation · Final report · May 20, 1983 · N757SP · Destroyed
  > During takeoff, the engine lost power after the plt started to make a turn at aprx 500 ft AGL. An emergency landing was made in a plowed field with the gear & flaps retracted. After touchdown, the acft slid aprx 100 yards, then stopped in a canal. An…
- [NTSB SEA82FA149](https://openairdocs.org/ntsb/SEA82FA149.md): Cessna T207A · Boise, ID · Accident · Minor injuries · Field investigation · Final report · Aug 27, 1982 · N7306U · Destroyed
  > Before takeoff, the pilot filed a company flight plan for a VFR flight from Boise to salmon, ID. He reported that during initial climb, the engine surged, then seemed to return to normal operation. He reduced the power to 33 inches of manifold pressure and…
- [NTSB SEA82DA140](https://openairdocs.org/ntsb/SEA82DA140.md): Condor 150L · 16nm No. Of Pie, ID · Accident · Minor injuries · Final report · Aug 10, 1982 · N10517 · Destroyed
  > The eng failed enroute & while landing on a logging road the right wing contacted vegetation causing the acft to swerve & come to rest nose low. The eng had been inspected 1 hr previous to the accident & had 8 hrs of operating time since new at the…
- [NTSB SEA82FYA07](https://openairdocs.org/ntsb/SEA82FYA07.md): Hughes 369HS · Gooding, ID · Accident · Serious injuries · Final report · May 6, 1982 · N9184F · Destroyed
  > While making a turn at the end of a swath run, the pilot heard a bang and then noticed a loss of engine power. He entered an autorotative landing from a low altitude at low airspeed. Subsequently, the helicopter landed hard and rolled over on its right side.…

## 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" = 'ID' 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=ID

---
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.
