# NTSB investigations: 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.

Page 26 of 58 · 2,878 cases

## Cases, newest first

- [NTSB BFO93FA131](https://openairdocs.org/ntsb/BFO93FA131.md): Beech C33A · Paintsville, KY · Accident · 1 fatal · Field investigation · Final report · Jul 20, 1993 · N3722Q · Destroyed
  > 1) Fatigue failure of the engine crankshaft at the number 2 main journal due to undetermined reason (s) which resulted in the total loss of engine power, and 2) the pilot not maintaining an adequate airspeed which resulted in an inadvertent stall/spin. A…
- [NTSB DEN93LA081](https://openairdocs.org/ntsb/DEN93LA081.md): Air Tractor AT-401 · Dermott, AR · Accident · No injuries · Limited investigation · Final report · Jul 15, 1993 · N1009T · Substantial damage
  > Power loss due to the total failure of the engine's master rod. Factors were an improper engine overhaul and the lack of suitable terrain for a forced landing.
- [NTSB FTW93LA215](https://openairdocs.org/ntsb/FTW93LA215.md): Grumman G-164A · Mccrory, AR · Accident · No injuries · Limited investigation · Final report · Jul 13, 1993 · N9780 · Substantial damage
  > The loss of engine power due to cylinder failure. A factor was the lack of suitable terrain for the forced landing.
- [NTSB BFO93LA122](https://openairdocs.org/ntsb/BFO93LA122.md): Schultz/Bowers FLY Baby 1A · Conneaut, OH · Accident · Serious injuries · Limited investigation · Final report · Jul 12, 1993 · N4295X · Destroyed
  > Operational failure of the left magneto's high tension wiring due to grease/corrosion, which resulted in a progressive power loss and subsequent forced landing.
- [NTSB BFO93LA121](https://openairdocs.org/ntsb/BFO93LA121.md): Cessna 404 · Cincinnati, OH · Accident · No injuries · Limited investigation · Final report · Jul 12, 1993 · N37167 · Substantial damage
  > The failure of a number three engine cylinder hold down bolt due to fatigue.
- [NTSB SEA93LA150](https://openairdocs.org/ntsb/SEA93LA150.md): Hoopes Hummelbird · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Jul 8, 1993 · N2227S · Substantial damage
  > A fractured crankshaft.
- [NTSB BFO93FA113](https://openairdocs.org/ntsb/BFO93FA113.md): Piper PA-24-180 · Madison Heights, VA · Accident · 1 fatal · Field investigation · Final report · Jul 7, 1993 · N7443P · Destroyed
  > Engine failure due to oil starvation as a result of inadequate maintenance and inspection of the oil cooler lines.
- [NTSB CHI93LA245](https://openairdocs.org/ntsb/CHI93LA245.md): Piper PA-18 · Felton, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 2, 1993 · N1841A · Destroyed
  > The pilot-in-command's failure to maintain airspeed. Factors contributing to the accident were a cracked carburetor float, fuel starvation, and the failure to perform an annual inspection.
- [NTSB ATL93FA120](https://openairdocs.org/ntsb/ATL93FA120.md): Piper PA-28-140 · Clayton, AL · Accident · 1 fatal · Field investigation · Final report · Jul 1, 1993 · N5473S · Substantial damage
  > Inadequate maintenance and inspection of the carburetor by maintenance personnel.
- [NTSB NYC93LA135](https://openairdocs.org/ntsb/NYC93LA135.md): Beech C23 · Montgomery, NY · Accident · No injuries · Limited investigation · Final report · Jun 30, 1993 · N66347 · Substantial damage
  > A power loss due to a collapsed air duct and a consequent blockage of induction air, which resulted in a forced landing and an on ground collision with a ditch.
- [NTSB ATL93LA119](https://openairdocs.org/ntsb/ATL93LA119.md): Waco ATO · Alma, GA · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 1993 · N13918 · Substantial damage
  > The failure of the aircraft engine master rod bearing.
- [NTSB ATL93LA118](https://openairdocs.org/ntsb/ATL93LA118.md): Cessna 188B · Centre, AL · Accident · No injuries · Limited investigation · Final report · Jun 29, 1993 · N731DH · Substantial damage
  > The failure of maintenance personnel to properly torque the crankcase through bolts.
- [NTSB CHI93DEE02](https://openairdocs.org/ntsb/CHI93DEE02.md): Douglas B-26B · Kankakee, IL · Accident · Minor injuries · Final report · Jun 27, 1993 · N8036E · Substantial damage
  > the failure of the piston assembly in the number ten cylinder of the right engine. A factor associated with the accident was the inoperative propeller feathering system for the right engine.
- [NTSB ATL93LA116](https://openairdocs.org/ntsb/ATL93LA116.md): Grumman G164A · Brundidge, AL · Accident · No injuries · Limited investigation · Final report · Jun 25, 1993 · N48584 · Substantial damage
  > The broken carburetor accelerator pump piston rivet which lodged under the needle valve, allowed the float chamber to flood with fuel, and the engine to quit. The lack of suitable terrain for a forced landing was a factor.
- [NTSB CHI93LA219](https://openairdocs.org/ntsb/CHI93LA219.md): Beech B19 · Victoria, MN · Accident · No injuries · Limited investigation · Final report · Jun 23, 1993 · N2157W · Substantial damage
  > The loss of engine power due to a jammed carburetor float and the inability of the pilot to maintain clearance during the emergency landing.
- [NTSB LAX93LA263](https://openairdocs.org/ntsb/LAX93LA263.md): Sill/Thomas Long EZ · Lone Pine, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 1993 · N977ST · Substantial damage
  > the failure of the number four cylinder exhaust valve due to excessive heat exposure and lack of maintenance.
- [NTSB CHI93LA215](https://openairdocs.org/ntsb/CHI93LA215.md): Cessna 150J · Wilton, ND · Accident · No injuries · Limited investigation · Final report · Jun 20, 1993 · N60454 · Substantial damage
  > Failure of the engine-driven fuel pump. A factor was the pilot's failure to select the auxiliary fuel pump.
- [NTSB CHI93LA216](https://openairdocs.org/ntsb/CHI93LA216.md): Grumman AA-5A · Malden, MO · Accident · No injuries · Limited investigation · Final report · Jun 19, 1993 · N9941U · Substantial damage
  > A broken mixture control cable resulting in fuel starvation.
- [NTSB NYC93LA117](https://openairdocs.org/ntsb/NYC93LA117.md): Cessna 182Q · Holbrook, NY · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 1993 · N735CA · Destroyed
  > The engine failure as the result of a fractured crankshaft due to metal fatigue.
- [NTSB FTW93LA190](https://openairdocs.org/ntsb/FTW93LA190.md): Rockwell S-2R · Wynne, AR · Accident · No injuries · Limited investigation · Final report · Jun 15, 1993 · N4955X · Substantial damage
  > The engine power loss for undetermined reasons and the lack of suitable terrain for a forced landing.
- [NTSB CHI93LA212](https://openairdocs.org/ntsb/CHI93LA212.md): Enstrom F-28C · Buckner, MO · Accident · Serious injuries · Limited investigation · Final report · Jun 14, 1993 · N51717 · Substantial damage
  > The nut backing off the connecting rod bolt resulting in rod failure. A factor involved in this accident was the lack of suitable terrain for the pilot in command to make a run on landing.
- [NTSB CHI93LA207](https://openairdocs.org/ntsb/CHI93LA207.md): Robert L. Kennedy Avid Flyer · White Pigeon, MI · Accident · No injuries · Limited investigation · Final report · Jun 13, 1993 · N138RK · Substantial damage
  > The pilot in command's inability to attain proper touch down point. The improperly adjusted idle setting which resulted in the loss of engine power was also a cause.
- [NTSB FTW93LA186](https://openairdocs.org/ntsb/FTW93LA186.md): Beech 95-A55 · Edgewood, NM · Accident · No injuries · Limited investigation · Final report · Jun 11, 1993 · N8606M · Substantial damage
  > Power loss to the right engine due to the magneto grounding leads being loose and an inadequate annual inspection. A factor was a lack of suitable terrain.
- [NTSB ATL93LA108](https://openairdocs.org/ntsb/ATL93LA108.md): Cessna 421B · Attalla, AL · Accident · No injuries · Limited investigation · Final report · Jun 10, 1993 · N699DT · Destroyed
  > The failure of the left engine turbocharger due to rotor shaft seizure, which resulted in a loss of engine power.
- [NTSB CHI93LA197](https://openairdocs.org/ntsb/CHI93LA197.md): Cessna 210L · Indianola, IA · Accident · No injuries · Limited investigation · Final report · Jun 6, 1993 · N2267S · Substantial damage
  > A fatigue fracture of the crankshaft.
- [NTSB CHI93DEE01](https://openairdocs.org/ntsb/CHI93DEE01.md): Mark Streitz Skybolt · Joliet, IL · Accident · No injuries · Final report · Jun 5, 1993 · N94MS · Substantial damage
  > the failure of the number two connecting rod bolt.
- [NTSB ANC93LA077](https://openairdocs.org/ntsb/ANC93LA077.md): Piper PA-32-300 · Skagway, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 2, 1993 · N8127K · Substantial damage
  > A total loss of engine power as a result of a fatigue failure of the #2 connecting rod. A factor which contributed to the accident was the lack of suitable terrain for the emergency landing.
- [NTSB FTW93LA171](https://openairdocs.org/ntsb/FTW93LA171.md): Ayres SR2-T34 · Harrisburg, AR · Accident · No injuries · Limited investigation · Final report · May 31, 1993 · N6051F · Substantial damage
  > The loss of engine power due to the failure of the reduction gear assembly due to fatigue. A factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA93LA136](https://openairdocs.org/ntsb/MIA93LA136.md): Beech A23-24 · Laurel, MS · Accident · Minor injuries · Limited investigation · Final report · May 29, 1993 · N5783V · Substantial damage
  > A ruptured center bellows seal in the fuel servo and/or a plugged fuel injector due to contamination (rust) from the fuel servo. Factors related to the accident were: improper servicing of the aircraft, and people and trees in the emergency landing area.
- [NTSB MIA93LA134](https://openairdocs.org/ntsb/MIA93LA134.md): Cessna 182P · Corinth, MS · Accident · No injuries · Limited investigation · Final report · May 28, 1993 · N21530 · Substantial damage
  > Failure of the engine over terrain unsuitable for a forced landing. Contributing to the accident was the failure of the no. 5 piston for undetermined causes.
- [NTSB LAX93LA229](https://openairdocs.org/ntsb/LAX93LA229.md): Piper PA-28R-200 · Hesperia, CA · Accident · No injuries · Limited investigation · Final report · May 27, 1993 · N4820T · Substantial damage
  > Fatigue failure of the exhaust valve due to inadequate maintenance and inspection.
- [NTSB CHI93FA182](https://openairdocs.org/ntsb/CHI93FA182.md): Aerospatiale AS-350B · Cameron, MO · Accident · 2 fatal · Field investigation · Final report · May 27, 1993 · N782LF · Destroyed
  > The loss of engine power due to failure of the second stage turbine labyrinth seal. Factors related to the accident were: the unfavorable wind and tall trees bordering the emergency landing area.
- [NTSB SEA93LA113](https://openairdocs.org/ntsb/SEA93LA113.md): Murphy Barracuda · Yoncalla, OR · Accident · Minor injuries · Limited investigation · Final report · May 20, 1993 · N54265 · Substantial damage
  > The engine oil filter vibrating loose resulting in oil starvation, and the pilot in command's misjudgment of winds. A factor contributing to the accident was unfavorable winds.
- [NTSB FTW93LA160](https://openairdocs.org/ntsb/FTW93LA160.md): Cessna 152 · Belmont, LA · Accident · No injuries · Limited investigation · Final report · May 20, 1993 · N25051 · Substantial damage
  > The loss of engine power due to a sheared accessory drive pin. A factor was the unsuitable terrain
- [NTSB CHI93DER02](https://openairdocs.org/ntsb/CHI93DER02.md): Miller Quickie · Glencoe, MN · Accident · No injuries · Final report · May 11, 1993 · N5589N · Substantial damage
  > The disconnection of the ignition switch wiring.
- [NTSB BFO93LA073](https://openairdocs.org/ntsb/BFO93LA073.md): Piper PA-28-181 · Chesterfield, VA · Accident · Minor injuries · Limited investigation · Final report · May 9, 1993 · N82836 · Substantial damage
  > Fatigue failure of the engine crankshaft at the number 1 journal. A factor related to the accident was unsuitable terrain in the emergency landing area.
- [NTSB ANC93FA061](https://openairdocs.org/ntsb/ANC93FA061.md): Bell 214B1 · Thorne Bay, AK · Accident · Minor injuries · Field investigation · Final report · May 8, 1993 · N314CR · Substantial damage
  > Foreign object damage to the compressor assembly, probably due to loose nuts from the compressor case after improper maintenance (installation) by maintenance personnel.
- [NTSB LAX93LA200](https://openairdocs.org/ntsb/LAX93LA200.md): Grumman 164A · Biggs, CA · Accident · 1 fatal · Limited investigation · Final report · May 5, 1993 · N5249 · Destroyed
  > Failure of the number 2 engine cylinder. A factor related to the accident was the lack of altitude for the pilot to make a successfull forced landing.
- [NTSB CHI93FA158](https://openairdocs.org/ntsb/CHI93FA158.md): Beech E-18S · Lone Rock, WI · Accident · 1 fatal · Field investigation · Final report · May 4, 1993 · N80CB · Destroyed
  > was a pre-mature extension of the landing gear by the pilot which resulted in the inability of the pilot to maintain the minimum descent altitude. Factors related to the accident were the loose cylinder and loss of oil.
- [NTSB LAX93LA194](https://openairdocs.org/ntsb/LAX93LA194.md): Cessna P210N · Oakland, CA · Accident · Serious injuries · Limited investigation · Final report · May 1, 1993 · N731HP · Destroyed
  > the pilot's poor decision to continue flying the airplane with a known deficiency and the poorly performed major overhaul of the engine. The failed crankshaft due to fatigue are factors in this accident.
- [NTSB BFO93LA080](https://openairdocs.org/ntsb/BFO93LA080.md): Mcmillin Fisher 404 · Wampum, PA · Accident · No injuries · Limited investigation · Final report · May 1, 1993 · UNREG · Substantial damage
  > The overtorque of a safety wire on a plastic fuel line, causing the line to split.
- [NTSB LAX93FA190](https://openairdocs.org/ntsb/LAX93FA190.md): Cessna 172 · Bullhead City, AZ · Accident · No injuries · Field investigation · Final report · Apr 26, 1993 · N6698A · Substantial damage
  > a fatigue failure of the crankshaft due to improper assembly of the engine during the major overhaul.
- [NTSB MIA93FA109](https://openairdocs.org/ntsb/MIA93FA109.md): Cessna TU206D · Culebra, PR · Accident · 1 fatal · Field investigation · Final report · Apr 25, 1993 · N72158 · Destroyed
  > Fatigue failure of the engine crankshaft that originated from a heat check crack in the journal, adjacent to the #2 main journal forward fillet.
- [NTSB NYC93LA091](https://openairdocs.org/ntsb/NYC93LA091.md): Homer Davis RV4 · Danville, VA · Accident · No injuries · Limited investigation · Final report · Apr 24, 1993 · N22DD · Substantial damage
  > The loss of engine power due to a stuck carburetor needle valve; subsequent forced landing in unsuitable terrain, and impact with a tree.
- [NTSB CHI93LA147](https://openairdocs.org/ntsb/CHI93LA147.md): Enstrom F28F · Middle River, MN · Accident · No injuries · Limited investigation · Final report · Apr 24, 1993 · N81HF · Substantial damage
  > The total failure of the ignition system's magneto.
- [NTSB LAX93LA183](https://openairdocs.org/ntsb/LAX93LA183.md): Cessna 172N · Needles, CA · Accident · No injuries · Limited investigation · Final report · Apr 23, 1993 · N6292D · Substantial damage
  > the total loss of engine power due to the failure of the magneto in the ignition system. The magneto failure resulted from the operator's lack of voluntary compliance with the manufacturers suggested overhaul cycle.
- [NTSB FTW93LA136](https://openairdocs.org/ntsb/FTW93LA136.md): Tuttle Star Lite · Conroe, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 1993 · N319JR · Destroyed
  > A power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing
- [NTSB SEA93LA089](https://openairdocs.org/ntsb/SEA93LA089.md): Piper PA-24 · Casper, WY · Accident · No injuries · Limited investigation · Final report · Apr 6, 1993 · N5541P · Substantial damage
  > Fuel exhaustion, and the pilot in command's poor inflight decision. Factors include an inadequate preflight by the pilot in command.
- [NTSB CHI93LA123](https://openairdocs.org/ntsb/CHI93LA123.md): Rockwell 100 · Topinabee, MI · Accident · Minor injuries · Limited investigation · Final report · Mar 28, 1993 · N4017X · Substantial damage
  > the total loss of engine power due to failure of the oil line to the oil pressure gauge. A factor relating to the accident was no suitable terrain on which to make a forced landing.
- [NTSB BFO93LA062](https://openairdocs.org/ntsb/BFO93LA062.md): Kibiuk Quickie · Durhamville, NY · Accident · Minor injuries · Limited investigation · Final report · Mar 27, 1993 · N12726 · Substantial damage
  > The loose battery cable to the negative terminal, resulting in total power loss. A factor related to the accident was the lack of suitable terrain for an emergency landing.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=27

## 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."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&page=26

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