# NTSB investigations, MI: 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 CHI05CA095](https://openairdocs.org/ntsb/CHI05CA095.md): Cessna 172P · Ann Arbor, MI · Accident · No injuries · Data collection · Final report · Apr 8, 2005 · N777UM · Substantial damage
  > The failure of the carburetor nozzle resulting in loss of engine power and the unsuitable terrain encountered during the forced landing. A factor was the low altitude.
- [NTSB CHI04CA261](https://openairdocs.org/ntsb/CHI04CA261.md): Abbott RAF 2000 · Pontiac, MI · Accident · No injuries · Data collection · Final report · Sep 18, 2004 · N702BX · Substantial damage
  > The partial loss of engine power due to the scoring and overheating of the cylinders as a result of the pilot/owner's improper servicing of the modified engine cooling system. Additional factors included the pilot/owner modifying and servicing the engine…
- [NTSB CHI03LA043](https://openairdocs.org/ntsb/CHI03LA043.md): Piper PA-28-235 · Carleton, MI · Accident · No injuries · Limited investigation · Final report · Dec 22, 2002 · N8555W · Substantial damage
  > The #2 cylinder exhaust valve failed due to undetermined reasons. A factor associated with the accident was the soft terrain encountered during the forced landing.
- [NTSB CHI00LA253](https://openairdocs.org/ntsb/CHI00LA253.md): Piper PA-38-112 · Coopersville, MI · Accident · No injuries · Limited investigation · Final report · Aug 12, 2000 · N2545N · Substantial damage
  > fuel starvation due to the blocked carburetor. Factors relating to the accident were the foreign object (tab), the improper maintenance performed on the carburetor, and the corn crop.
- [NTSB CHI00LA056](https://openairdocs.org/ntsb/CHI00LA056.md): Cessna 210 · South Lyon, MI · Accident · No injuries · Limited investigation · Final report · Dec 25, 1999 · N7493E · Substantial damage
  > the failure of the throttle and the unsuitable terrain encountered by the pilot in the taxi area. Factors were the collapsed nose gear and the rough terrain,
- [NTSB CHI98LA257](https://openairdocs.org/ntsb/CHI98LA257.md): Piper PA-28-140 · Napoleon, MI · Accident · No injuries · Limited investigation · Final report · Jul 18, 1998 · N54R · Destroyed
  > the pilot inadequate pre-flight planning. Factors in this accident were the airplane's weight and balance limitations had been exceeded by the pilot and an improper top overhaul of the engine's cylinder by the mechanic.
- [NTSB CHI97LA284](https://openairdocs.org/ntsb/CHI97LA284.md): North American-Aero Classics P-51D · Monroe, MI · Accident · 2 fatal · Limited investigation · Final report · Sep 6, 1997 · N6345T · Destroyed
  > the pilot operating the airplane with a known coolant leak, coolant exhaustion, overheating of the engine, and subsequent failure of a connecting rod, which resulted in a partial loss of engine power; and failure of the pilot to see the powerline. The…
- [NTSB CHI97FA188](https://openairdocs.org/ntsb/CHI97FA188.md): Cessna 172N · Canton, MI · Accident · Serious injuries · Field investigation · Final report · Jun 26, 1997 · N7031Q · Substantial damage
  > A loss of engine power due to fuel starvation from a binding throttle/power lever cable. Also causal was the improper maintenance, installation of the throttle arm. Contributing to the accident were the dark night and unsuitable terrain for the forced landing.
- [NTSB CHI96LA072](https://openairdocs.org/ntsb/CHI96LA072.md): Cessna 150M · Mount Pleasant, MI · Accident · No injuries · Limited investigation · Final report · Jan 15, 1996 · N8375U · Substantial damage
  > the student pilot's inadequate preflight and the loose oil filler cap, which resulted in oil starvation and failure of the #1 cylinder connecting rod. A factor relating to this accident was the snow covered terrain.
- [NTSB CHI96LA035](https://openairdocs.org/ntsb/CHI96LA035.md): Pzl-Mielec M-18A · Montrose, MI · Accident · No injuries · Limited investigation · Final report · Nov 20, 1995 · N2296J · Substantial damage
  > a loss of engine power as a result of the separation of the throttle push-pull cable.
- [NTSB CHI95LA293](https://openairdocs.org/ntsb/CHI95LA293.md): Patin Challenger II · Cedar Springs, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 3, 1995 · N4281D · Substantial damage
  > inadequate engine maintenance by the owner/pilot-mechanic. Factors associated with the accident were fouled spark plugs and the pilot not being able to maintain proper altitude/clearance between his airplane and the electrical power lines during his landing…
- [NTSB CHI95LA283](https://openairdocs.org/ntsb/CHI95LA283.md): Piper PA-31 · Ironwood, MI · Accident · No injuries · Limited investigation · Final report · Aug 14, 1995 · N9123Y · Substantial damage
  > the pilot's failure to maintain control of the airplane during the aborted takeoff. A factor was the partial loss of engine power for an undetermined reason.
- [NTSB CHI95LA183](https://openairdocs.org/ntsb/CHI95LA183.md): Piper PA-28-180 · Brooklyn, MI · Accident · Serious injuries · Limited investigation · Final report · Jun 18, 1995 · N5195L · Destroyed
  > the pilot operating the airplane with a known deficiency. A factor was the pilot not maintaining control of the airplane.
- [NTSB CHI93DEC01](https://openairdocs.org/ntsb/CHI93DEC01.md): Bradford Pietenpol Skyscout · Eaton Rapids, MI · Accident · Minor injuries · Final report · Aug 21, 1993 · N4301D · Substantial damage
  > the pilot's failure to maintain airspeed which resulted in an inadvertant stall. Factors related to the accident were the low altitude and the restricted movement of the carburetor needle.
- [NTSB CHI93LA166](https://openairdocs.org/ntsb/CHI93LA166.md): Cessna 175 · Houghton Lake, MI · Accident · Minor injuries · Limited investigation · Final report · May 9, 1993 · N7303M · Destroyed
  > The pilot operating the airplane with a known deficiency.
- [NTSB CHI93LA016](https://openairdocs.org/ntsb/CHI93LA016.md): Piper PA-24-180 · Ludington, MI · Accident · No injuries · Limited investigation · Final report · Oct 25, 1992 · N6345P · Substantial damage
  > The partial loss of engine power during the initial climb out on a night flight.
- [NTSB CHI92DEM05](https://openairdocs.org/ntsb/CHI92DEM05.md): Taylorcraft H-2 · Holland, MI · Accident · Serious injuries · Final report · Aug 22, 1992 · N15672 · Substantial damage
  > Not maintaining a sufficient airspeed during the reversal turn and encountering a stall/spin maneuver.
- [NTSB CHI92DEM01](https://openairdocs.org/ntsb/CHI92DEM01.md): Rose Wesley Rotorway WR Exec · Hudsonville, MI · Accident · No injuries · Final report · Apr 18, 1992 · N6617L · Substantial damage
  > The failure of an intake valve spring. Factors related to the accident were the low altitude at which the autorotation was initiated and the soft terrain on which the helicopter was landed.
- [NTSB CHI90LA267](https://openairdocs.org/ntsb/CHI90LA267.md): Cessna 182 · Troy, MI · Accident · No injuries · Limited investigation · Final report · Sep 16, 1990 · N6873M · Substantial damage
  > A loss of engine power due to failure of the rocker arm bosses on the #2 cylinder.
- [NTSB CHI90LA155](https://openairdocs.org/ntsb/CHI90LA155.md): Cessna 150 · Flint, MI · Accident · No injuries · Limited investigation · Final report · Jun 16, 1990 · N6583T · Destroyed
  > A loose fuel line caused by improper installation by maintenance personnel.
- [NTSB CHI90LA136](https://openairdocs.org/ntsb/CHI90LA136.md): Cessna 182F · Clare, MI · Accident · No injuries · Limited investigation · Final report · May 26, 1990 · N3632U · Substantial damage
  > Improper maintenance by maintenance personnel resulting in a sticking carburetor float. Inadequate planning by the pilot in command during the approach is a factor in the accident.
- [NTSB CHI89DEM10](https://openairdocs.org/ntsb/CHI89DEM10.md): Fletcher SONERAI-2L · Interlochen, MI · Accident · 1 fatal · Final report · Sep 30, 1989 · N76DJ · Destroyed
  > Loose cylinder due to improper maintenance by the pilot/owner, which resulted in overheating and failure of the aluminum cylinder head. The presence of trees was considered to be a factor.
- [NTSB CHI89LA025](https://openairdocs.org/ntsb/CHI89LA025.md): Cessna 172P · Samaria, MI · Accident · No injuries · Limited investigation · Final report · Nov 15, 1988 · N86ER · Substantial damage
- [NTSB CHI88DEM01](https://openairdocs.org/ntsb/CHI88DEM01.md): North American T-28A · Schoolcraft, MI · Accident · Minor injuries · Final report · Feb 24, 1988 · N14142 · Substantial damage
  > While the pilot was climbing through 7800 MSL he noticed a vapor trail coming from the right exhaust area. The pilot notified approach control that he was returning to the departure airport and they supplied radar vectors. The pilot started a descent and…
- [NTSB CHI87LA217](https://openairdocs.org/ntsb/CHI87LA217.md): Piper PA-32R-300 · Hillsdale, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 22, 1987 · N8799E · Destroyed
  > Tkof and climb to 7000 ft were made on the left fuel tank. Shortly after lvl-off, the plt switched to the rt tank and stayed on it during the initial cruise. The plt then switched back to left tank and abt 10 min later the eng began to lose pwr. Readings were…
- [NTSB CHI87DEC02](https://openairdocs.org/ntsb/CHI87DEC02.md): Cessna 172G · Linden, MI · Accident · Minor injuries · Final report · Mar 20, 1987 · N3630L · Substantial damage
  > The student pilot was attempting to land when he decided he was too high, and aborted the landing attempt. The engine failed to develop power despite throttle and mixture adjustments, and the pilot made a forced landing in a cornfield. Examination of the…
- [NTSB CHI86FA170](https://openairdocs.org/ntsb/CHI86FA170.md): Grumman AA5B · Benton Harbor, MI · Accident · Serious injuries · Field investigation · Final report · Jul 14, 1986 · N81259 · Destroyed
  > The aircraft departed on runway 09. Passenger remembers the pilot starting to turn back to the airport when the wings went perpendicular to the horizon and the ground came rushing up. Teardown of the engine revealed a bent push rod and a split push rod shroud…
- [NTSB CHI86FA079](https://openairdocs.org/ntsb/CHI86FA079.md): Cessna 421C · Birmingham, MI · Accident · 2 fatal · Field investigation · Final report · Jan 29, 1986 · N68653 · Destroyed
  > At rotation the right eng failed. The acft entered a skidding turn to the rt and continued to climb to about 100 ft AGL. During the turn 110 deg from t.o. heading acft rolled inverted and descended into a car port. Extensive post impact fire destroyed acft,…
- [NTSB CHI85LA360](https://openairdocs.org/ntsb/CHI85LA360.md): Schweizer G164A "450" · Constantine, MI · Accident · No injuries · Limited investigation · Final report · Aug 29, 1985 · N8444K · Substantial damage
  > The acft nosed over during a forced landing in a corn fld. The plt stated that at 30 ft AGL during his second swath run the eng backfired and lost pwr. He attempted to dump the load however, the acft continued to loose alt and the forced landing resulted.…
- [NTSB CHI85LA060](https://openairdocs.org/ntsb/CHI85LA060.md): Aeronca 7AC · Allegan, MI · Accident · No injuries · Limited investigation · Final report · Nov 30, 1984 · N84360 · Substantial damage
  > The plt stated he lost power on takeoff, but elected to takeoff rather than abort. He cleared wires but decided he could not clear trees & made a forced landing in a corn field. Inspection of the acft revealed that the fuel control rod cotter pin was…
- [NTSB CHI83LA406](https://openairdocs.org/ntsb/CHI83LA406.md): Edwards Mitchell P-38 · Sheridan, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 1, 1983 · N81TE · Substantial damage
  > The acft nosed down in a crop of corn during a forced landing after the engine lost power at 200 ft AGL during takeoff climb. During the turn back to the airstrip the left wing stalled. The pilot said he recovered about 10 ft AGL but the corn stalks slowed…

## 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" = 'MI' 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=MI

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