# NTSB investigations: Loss of engine power (partial)

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 18 of 38 · 1,858 cases

## Cases, newest first

- [NTSB ERA17LA176](https://openairdocs.org/ntsb/ERA17LA176.md): Cessna 150M · Homerville, GA · Accident · No injuries · Class 3 · Limited · Final report · May 9, 2017 · N714DW · Substantial damage
  > A total loss of engine power due to inadequate maintenance and inspection of the engine, which resulted in a fatigue crack and subsequent failure of the No. 4 cylinder.
- [NTSB CEN17LA190](https://openairdocs.org/ntsb/CEN17LA190.md): Air Tractor AT 502 · Tahoka, TX · Accident · Minor injuries · Limited investigation · Final report · May 4, 2017 · N144HF · Destroyed
  > The partial loss of engine power during takeoff for reasons that could not be determined based on the available information.
- [NTSB WPR17LA096](https://openairdocs.org/ntsb/WPR17LA096.md): Piper PA 32-260 · Mukilteo, WA · Accident · Minor injuries · Limited investigation · Final report · May 2, 2017 · N3457W · Substantial damage
  > The improper maintenance of the carburetor, which resulted in a stuck float and a partial loss of engine power during takeoff.
- [NTSB ERA17LA169](https://openairdocs.org/ntsb/ERA17LA169.md): Piper PA32RT · Coral Springs, FL · Accident · No injuries · Limited investigation · Final report · Apr 30, 2017 · N31678 · Substantial damage
  > The in-flight disconnection of the fuel injection servo throttle linkage, which resulted in a loss of engine power.
- [NTSB WPR17LA094](https://openairdocs.org/ntsb/WPR17LA094.md): Yakovlev YAK 52 · Porterville, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 29, 2017 · N132MD · Substantial damage
  > A partial loss of engine power due to contaminants in the fuel system that decreased the fuel flow, the source of which could not be determined.
- [NTSB WPR17LA093](https://openairdocs.org/ntsb/WPR17LA093.md): Schweizer 269C · Coolidge, AZ · Accident · Minor injuries · Limited investigation · Final report · Apr 27, 2017 · N521AR · Substantial damage
  > A partial loss of engine power due to separation of the throttle cable.
- [NTSB CEN17LA163](https://openairdocs.org/ntsb/CEN17LA163.md): Grumman Schweizer G-164 · Palmer, KS · Accident · No injuries · Limited investigation · Final report · Apr 17, 2017 · N9533 · Substantial damage
  > A crack in the cylinder of the radial engine, which resulted in a loss of engine power and a forced landing on unsuitable terrain.
- [NTSB CEN17LA156](https://openairdocs.org/ntsb/CEN17LA156.md): Loomis Xenon 4 · Knoxville, IA · Accident · No injuries · Limited investigation · Final report · Apr 17, 2017 · N912XV · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information. Contributing to the accident was the failure of the owners to obtain proper materials regarding the operation and maintenance of the engine.
- [NTSB ANC17LA020](https://openairdocs.org/ntsb/ANC17LA020.md): Cessna 182 · Willow, AK · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 2017 · N9362X · Substantial damage
  > The partial loss of engine power for reasons that could not be determined based on the available information, which resulted in the forced landing attempt and impact with power lines.
- [NTSB ENG17WA020](https://openairdocs.org/ntsb/ENG17WA020.md): BAE JETSTREAM3100 · Monteria, Colombia · Incident · No injuries · Foreign investigation · Apr 15, 2017 · HK4820 · No damage
  > On April 15, 2017, a Colombian-registered BAE Jetstream J32, HK4820, operated by Aerolinea de Antioquia ADA experienced a loss of power from the No. 2 engine, a Honeywell TPE331 turbopropeller. The engine was shutdown in flight and the airplane diverted to…
- [NTSB WPR17LA082](https://openairdocs.org/ntsb/WPR17LA082.md): OTT 601XL-B · The Dalles, OR · Accident · Minor injuries · Limited investigation · Final report · Mar 31, 2017 · N610TT · Substantial damage
  > A partial loss of engine power due to the reverse bending fatigue failure of the propeller hub bolts, which resulted from the bolts not fitting tightly into the propeller hub holes. Also causal was the pilot's decision to use improper bolts for this type of…
- [NTSB CEN17FA139](https://openairdocs.org/ntsb/CEN17FA139.md): Piper PA-28-140 · Stonewall, TX · Accident · 1 fatal · Field investigation · Final report · Mar 25, 2017 · N4329T · Substantial damage
  > The pilot's failure to attain a proper touchdown point following a loss of engine power and his inability to stop the airplane on the short, soft runway. Contributing to the accident was the inadequate maintenance of the airplane by the owner and the mechanic…
- [NTSB CEN17LA171](https://openairdocs.org/ntsb/CEN17LA171.md): John Goodman Air Camper · Oronogo, MO · Accident · Serious injuries · Limited investigation · Final report · Mar 21, 2017 · N23RT · Substantial damage
  > A detached throttle cable support block, which resulted in the pilot’s inability to control the throttle and the subsequent stall while maneuvering for an emergency landing.
- [NTSB CEN17LA145](https://openairdocs.org/ntsb/CEN17LA145.md): Cessna 120 · Columbia, IL · Accident · No injuries · Limited investigation · Final report · Mar 19, 2017 · N1915N · Substantial damage
  > The partial loss of engine power due to carburetor icing.
- [NTSB ERA17WA132](https://openairdocs.org/ntsb/ERA17WA132.md): Bell 206 · Araucária Municipality, Brazil · Accident · Serious injuries · Foreign investigation · Mar 17, 2017 · PT-YHH · Substantial damage
  > The government of Brazil has notified the NTSB of an accident involving a BELL 206 helicopter that occurred on March 17, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Brazil's investigation under the provisions of…
- [NTSB ERA17LA128](https://openairdocs.org/ntsb/ERA17LA128.md): Piper PA28 · Tampa, FL · Accident · No injuries · Limited investigation · Final report · Mar 12, 2017 · N8447R · Substantial damage
  > A collapsed engine induction duct, which resulted in restricted air flow to the engine and a subsequent loss of engine power. Contributing to the accident was the operator's failure to ensure that the correct induction duct was installed.
- [NTSB ANC17LA017](https://openairdocs.org/ntsb/ANC17LA017.md): Beech G18 · Metlakatla, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 3, 2017 · N103AF · Substantial damage
  > An engine power loss for reasons that could not be determined because the airplane was not recovered.
- [NTSB WPR17LA067](https://openairdocs.org/ntsb/WPR17LA067.md): Guarino Vans · Marysville, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 24, 2017 · N470LM · Substantial damage
  > A partial loss of engine power for reasons that could not be determined due to the fragmentation of the electrical system.
- [NTSB ENG17WA015](https://openairdocs.org/ntsb/ENG17WA015.md): Airbus A320 · Sao Paulo, Brazil · Incident · No injuries · Foreign investigation · Feb 23, 2017 · PT-MZY
  > On February 23, 2017, during takeoff from São Paulo airport, the right hand engine of a Brazilian registered Airbus 320, registration number PT–MZY, lost power, causing a rejected takeoff and a temporary excursion from the runway. The Brazilian Centro de…
- [NTSB ERA17LA110](https://openairdocs.org/ntsb/ERA17LA110.md): Piper PA28R · Bayonne, NJ · Accident · Serious injuries · Limited investigation · Final report · Feb 19, 2017 · N15745 · Substantial damage
  > Maintenance personnel’s incorrect installation of the No. 3 cylinder’s hydraulic valve tappet plunger, which resulted in a failure of the No. 3 cylinder’s intake valve and the subsequent partial loss of engine power.
- [NTSB CEN17LA104](https://openairdocs.org/ntsb/CEN17LA104.md): Beech D55 · Columbus, OH · Accident · No injuries · Limited investigation · Final report · Feb 14, 2017 · N88EB · Substantial damage
  > The partial loss of left engine power during takeoff and initial climb, which led to a hard landing in gusting crosswind conditions. The reason for the loss of engine power could not be determined because postaccident examination of the left engine revealed…
- [NTSB CEN17WA380](https://openairdocs.org/ntsb/CEN17WA380.md): Schweizer 269C · Locarno, Switzerland · Incident · No injuries · Foreign investigation · Feb 7, 2017 · HB-XFQ · No damage
  > On February 7, 2017, about 1016 universal coordinated time (UTC), a Schweizer 269C helicopter, Swiss registration HB-XFQ, conducted a precautionary landing near Locarno (LSZL), Switzerland, after the engine oil pressure was at minimum pressure and the oil…
- [NTSB CEN17LA093](https://openairdocs.org/ntsb/CEN17LA093.md): Piper J3C · Brenham, TX · Accident · No injuries · Limited investigation · Final report · Jan 30, 2017 · N7039H · Substantial damage
  > The reciprocating engine's exhaust valve being stuck in the “open” position, which resulted in a partial loss of engine power during initial climb.
- [NTSB ANC17TA015](https://openairdocs.org/ntsb/ANC17TA015.md): Piper PA-32 · Pilot Point, AK · Accident · Serious injuries · Final report · Jan 17, 2017 · N4261T · Substantial damage
  > The pilot's continued flight into known icing conditions, which resulted in structural icing and a forced landing on icy, snow-covered terrain.
- [NTSB WPR17LA048](https://openairdocs.org/ntsb/WPR17LA048.md): Schosanski John H Cozy MK IV R · Napa, CA · Accident · No injuries · Limited investigation · Final report · Jan 4, 2017 · N4518S · Substantial damage
  > A partial loss of power due to missing apex seals.
- [NTSB WPR17LA046](https://openairdocs.org/ntsb/WPR17LA046.md): Softex Invest V-24L · Paradise, MT · Accident · Serious injuries · Limited investigation · Final report · Jan 3, 2017 · N710XP · Substantial damage
  > A partial loss of power during cruise flight for reasons that could not be determined because postaccident examination of the engines did not reveal evidence of any preimpact mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB CEN17LA079](https://openairdocs.org/ntsb/CEN17LA079.md): Quicksilver GT-400 R503 · New Braunfels, TX · Accident · No injuries · Limited investigation · Final report · Jan 1, 2017 · N415HC · Substantial damage
  > The partial loss of engine power due to a loose spark plug. Contributing to the accident was the pilot's improper preflight inspection of the airplane.
- [NTSB WPR17LA050](https://openairdocs.org/ntsb/WPR17LA050.md): Diamond Aircraft Ind DA 40 NG · Kingman, AZ · Accident · No injuries · Class 3 · Limited · Final report · Dec 29, 2016 · N605SJ · Substantial damage
  > The loss of engine oil pressure during cruise flight, which resulted in partial loss of engine power and necessitated a forced landing. The loss of oil pressure was the result of a failed engine piston, likely initiated by foreign object damage, which…
- [NTSB WPR17LA042](https://openairdocs.org/ntsb/WPR17LA042.md): Air Tractor AT 602 · Willows, CA · Accident · No injuries · Limited investigation · Final report · Dec 27, 2016 · N602L · Substantial damage
  > The decision of the maintenance facility mechanic to conduct maintenance without reference to the applicable manufacturer’s guidance, which resulted in the improper reassembly and subsequent failure of the engine compressor bleed valve, which in turn…
- [NTSB ERA17FA072](https://openairdocs.org/ntsb/ERA17FA072.md): Piper PA28 · Middlebury, VT · Accident · 1 fatal · Field investigation · Final report · Dec 23, 2016 · N31202 · Substantial damage
  > The pilot's improper decision to return to the airport following a partial or complete loss of engine power during takeoff initial climb and his failure to maintain sufficient airspeed while maneuvering, which resulted in exceedance of the critical angle of…
- [NTSB CEN17LA065](https://openairdocs.org/ntsb/CEN17LA065.md): Lueck Kitfox 7 · Cody, WY · Accident · No injuries · Limited investigation · Final report · Dec 23, 2016 · N320RJ · Substantial damage
  > Improper maintenance of the fuel pressure regulator, which resulted in an excessive fuel and airbox pressure differential and subsequent loss of engine power.
- [NTSB ERA17LA067](https://openairdocs.org/ntsb/ERA17LA067.md): Mathias Linda B Lightning · Franklin, VA · Accident · Serious injuries · Limited investigation · Final report · Dec 10, 2016 · N59JL · Substantial damage
  > A partial loss of engine power due to pre-ignition damage to the No. 2 cylinder piston and the pilot's exceedance of the airplane's critical angle of attack while maneuvering in the airport traffic pattern, which resulted in an aerodynamic stall.
- [NTSB ERA17WA080](https://openairdocs.org/ntsb/ERA17WA080.md): Neiva EMB-721D · Manaus, Brazil · Accident · 6 fatal · Foreign investigation · Dec 7, 2016 · PT-REI · Destroyed
  > On December 7, 2016, about 1150 UTC, an Industria Aeronautica Neiva S/A EMB 721D, Brazilian registration PT-REI, registered to and operated by a foreign individual, collided with trees then terrain shortly after takeoff. Visual meteorological conditions…
- [NTSB WPR17FA024](https://openairdocs.org/ntsb/WPR17FA024.md): Piper PA 31T · Elko, NV · Accident · 4 fatal · Field investigation · Final report · Nov 19, 2016 · N779MF · Destroyed
  > A loss of engine power to the left engine for reasons that could not be determined due to the extensive fire and impact damage to the airplane.
- [NTSB CEN17LA039](https://openairdocs.org/ntsb/CEN17LA039.md): Cessna P210N · Pleasanton, TX · Accident · Serious injuries · Limited investigation · Final report · Nov 13, 2016 · N44C · Substantial damage
  > Maintenance personnel's improper installation of the throttle linkage attachment hardware, which resulted in a partial loss of engine power when the hardware separated in flight.
- [NTSB GAA17LA090](https://openairdocs.org/ntsb/GAA17LA090.md): Piper PA28R · Watertown, WI · Accident · No injuries · Limited investigation · Final report · Nov 5, 2016 · N300KR · Substantial damage
  > The pilot’s failure to attain a proper glidepath on approach for landing, which resulted in impact with trees. Contributing to the accident was a partial, temporary loss of engine power for reasons that could not be determined because postaccident examination…
- [NTSB ERA17LA037](https://openairdocs.org/ntsb/ERA17LA037.md): Aviat A 1B · Geneva, FL · Accident · No injuries · Limited investigation · Final report · Nov 2, 2016 · N54HY · Substantial damage
  > A partial loss of engine power due to debris in the No. 1 cylinder that damaged the spark plugs.
- [NTSB CEN17LA099](https://openairdocs.org/ntsb/CEN17LA099.md): Robinson R22 Beta · Asherton, TX · Accident · No injuries · Limited investigation · Final report · Oct 28, 2016 · N522KC · Substantial damage
  > The partial loss of engine power due to the failure of the magneto's internal timing during low-altitude maneuvering.
- [NTSB WPR17LA009](https://openairdocs.org/ntsb/WPR17LA009.md): Gray Jim Robert Exec 90 · Caldwell, ID · Accident · No injuries · Limited investigation · Final report · Oct 19, 2016 · N716JB · Substantial damage
  > The pilot's failure to properly tighten the tension bolts during the installation of the alternator belt, which resulted in inadequate voltage to sustain ignition and the subsequent partial loss of engine power.
- [NTSB ERA17LA024](https://openairdocs.org/ntsb/ERA17LA024.md): Cessna 172 · Cedar Key, FL · Accident · Minor injuries · Limited investigation · Final report · Oct 19, 2016 · N1827Y · Substantial damage
  > A partial loss of engine power due to a stuck exhaust valve and the noncertificated pilot's inadequate preflight planning, which resulted in the airplane being overloaded, both of which led to the airplane's inability to attain a positive climb rate.…
- [NTSB ERA17LA023](https://openairdocs.org/ntsb/ERA17LA023.md): Ercoupe 415 · Lindenwold, NJ · Accident · Serious injuries · Limited investigation · Final report · Oct 19, 2016 · N415WE · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA17LA020](https://openairdocs.org/ntsb/ERA17LA020.md): Taylorcraft BC12 D · Vaughn, GA · Accident · Minor injuries · Limited investigation · Final report · Oct 17, 2016 · N94919 · Substantial damage
  > A total loss of engine power for reasons that could not be determined because postaccident examination of the airplane and engine did not reveal any evidence of preimpact malfunctions or failures that would have precluded normal operation.
- [NTSB ERA17LA015](https://openairdocs.org/ntsb/ERA17LA015.md): Cessna 150 · Stockbridge, GA · Accident · Serious injuries · Limited investigation · Final report · Oct 16, 2016 · N7948F · Substantial damage
  > A partial loss of engine power due to a stuck exhaust valve and the pilot's exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB CEN17LA018](https://openairdocs.org/ntsb/CEN17LA018.md): Piper PA 18-150 · Jasper, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 15, 2016 · N9473D · Substantial damage
  > A partial loss of engine power for reasons that could not be determined, because an examination of the airplane did not identify a specific reason for the loss of engine power.
- [NTSB WPR17LA004](https://openairdocs.org/ntsb/WPR17LA004.md): Rockwell International 112A · Phoenix, AZ · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 12, 2016 · N509CA · Substantial damage
  > A catastrophic engine failure due to lack of lubrication due to the absence of 2 piston cooling nozzles that backed out of their respective threaded bores, which resulted in a forced landing on unsuitable terrain.
- [NTSB WPR17LA003](https://openairdocs.org/ntsb/WPR17LA003.md): Melborn Joe B Kolb Sport 600 · Roberts, ID · Accident · Minor injuries · Limited investigation · Final report · Oct 9, 2016 · N914NK · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA17LA019](https://openairdocs.org/ntsb/ERA17LA019.md): Cessna 182 · Toone, TN · Accident · No injuries · Limited investigation · Final report · Oct 9, 2016 · N65903 · Substantial damage
  > A stuck No. 3 cylinder exhaust valve, which resulted in failure of the cylinder's valvetrain components, breach of the cylinder's rocker box cover, and partial loss of engine power due to oil starvation.
- [NTSB CEN17LA015](https://openairdocs.org/ntsb/CEN17LA015.md): Milholland Kelly D · Livingston, TX · Accident · No injuries · Limited investigation · Final report · Oct 7, 2016 · N522LM · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA17LA007](https://openairdocs.org/ntsb/ERA17LA007.md): James Bruton Flying Flea · Plymouth, CT · Accident · Serious injuries · Limited investigation · Final report · Oct 6, 2016 · N83165 · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN17LA006](https://openairdocs.org/ntsb/CEN17LA006.md): Cessna 172K · Wilmot, WI · Accident · No injuries · Limited investigation · Final report · Oct 4, 2016 · N46377 · Substantial damage
  > A failure of the No. 1 piston pin plug due to corrosion in the cylinder barrel, which resulted in oil contamination, oil starvation to the crankshaft connecting rod bearings, and a subsequent partial loss of engine power.

Next page: https://openairdocs.org/ntsb-events/342/sequence.md?page=19

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/342/sequence?page=18

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