# 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 10 of 29 · 1,419 cases

## Cases, newest first

- [NTSB WPR20LA145](https://openairdocs.org/ntsb/WPR20LA145.md): Czech Sport Sport Cruiser · Logan, UT · Accident · No injuries · Class 3 · Limited · Final report · Apr 22, 2020 · N802PS · Substantial damage
  > A partial loss of engine power during takeoff due to vapor lock.
- [NTSB CEN20LA149](https://openairdocs.org/ntsb/CEN20LA149.md): Cessna 402 · Kirksville, MO · Accident · No injuries · Class 3 · Limited · Final report · Apr 14, 2020 · N98649 · Substantial damage
  > A loss of engine power after takeoff for undetermined reasons.
- [NTSB WPR20LA122](https://openairdocs.org/ntsb/WPR20LA122.md): Buckman Bucks Special · Prescott, WA · Accident · No injuries · Class 3 · Limited · Final report · Apr 9, 2020 · N9065F · Substantial damage
  > Diminished engine performance due to carburetor icing conditions and multiple mechanical anomalies that did not allow for the airplane to attain adequate airspeed during takeoff from a planted field and failure to maintain clearance from obstructions.…
- [NTSB ERA20WA133](https://openairdocs.org/ntsb/ERA20WA133.md): Piper PA23 · Eleuthera, Bahamas · Accident · No injuries · Foreign investigation · Mar 21, 2020 · N14178
  > The government of Bahamas has notified the NTSB of an accident involving a Piper PA23 airplane that occurred on March 21, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Bahamas's investigation under the provisions of…
- [NTSB CEN20LA123](https://openairdocs.org/ntsb/CEN20LA123.md): Cessna 182 · Baxterville, MS · Accident · No injuries · Class 3 · Limited · Final report · Mar 14, 2020 · N20847 · Substantial damage
  > The failure of the No. 1 cylinder intake valve due to inadequate valve seating.
- [NTSB CEN20LA113](https://openairdocs.org/ntsb/CEN20LA113.md): Bell 206 · Clark, MO · Accident · No injuries · Class 3 · Limited · Final report · Mar 5, 2020 · N32AE · Substantial damage
  > The fatigue failure of the pneumatic line for reasons that could not be determined, which resulted in a loss of engine power and subsequent hard landing.
- [NTSB WPR20LA098](https://openairdocs.org/ntsb/WPR20LA098.md): Flight Design Ctls · Encino, NM · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 4, 2020 · N505MA · Substantial damage
  > A partial loss of engine power due to fuel starvation, which likely resulted from a leak in the fuel system.
- [NTSB ANC20CA030](https://openairdocs.org/ntsb/ANC20CA030.md): Piper PA18 · Big Lake, AK · Accident · No injuries · Data collection · Final report · Feb 29, 2020 · N7384D · Substantial damage
  > The pilot's failure to use carburetor heat in conditions conducive to carburetor icing, which resulted in a partial loss of engine power, a precautionary landing, and impact with snow.
- [NTSB WPR20LA097](https://openairdocs.org/ntsb/WPR20LA097.md): Cessna 170 · Baker City, OR · Accident · No injuries · Class 3 · Limited · Final report · Feb 27, 2020 · N5478C · Substantial damage
  > The failure of the No. 2 connecting rod bearing as a result of oil starvation due to a contaminated oil filter screen.
- [NTSB WPR20LA094](https://openairdocs.org/ntsb/WPR20LA094.md): Ercoupe 415 · Torrance, CA · Accident · No injuries · Class 3 · Limited · Final report · Feb 25, 2020 · N3437H · Substantial damage
  > The partial loss of power due to a malfunction of the throttle cable, which limited movement of the throttle body.
- [NTSB WPR20LA068](https://openairdocs.org/ntsb/WPR20LA068.md): Cessna 172Q · Big Timber, MT · Accident · No injuries · Class 3 · Limited · Final report · Jan 17, 2020 · N96145 · Substantial damage
  > A loss of engine power during climbout for undetermined reasons.
- [NTSB ERA20LA071](https://openairdocs.org/ntsb/ERA20LA071.md): Hughes OH 6A · Preston, GA · Accident · Minor injuries · Class 3 · Limited · Final report · Jan 8, 2020 · N6186U · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA20LA064](https://openairdocs.org/ntsb/ERA20LA064.md): Cirrus SR22 · Kenansville, NC · Accident · No injuries · Class 3 · Limited · Final report · Jan 2, 2020 · N323SR · Substantial damage
  > A fatigue failure of the camshaft due to a manufacturing defect, which resulted in a partial loss of engine power.
- [NTSB CEN20LA051](https://openairdocs.org/ntsb/CEN20LA051.md): Enstrom F28 · Danbury, TX · Accident · No injuries · Class 3 · Limited · Final report · Dec 31, 2019 · N57SJ · Substantial damage
  > The failure of the engine's No.3 intake valve resulting is a loss of engine power and a rollover following the autorotation to soft ground.
- [NTSB ERA20WA061](https://openairdocs.org/ntsb/ERA20WA061.md): Piper PA-32-301T · Vereda Cuzama, Colombia · Accident · 3 fatal · Foreign investigation · Dec 30, 2019 · HK2629 · Substantial damage
  > The government of Colombia has notified the NTSB of an accident involving a PIPER PA-32-301T airplane that occurred on December 30, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Colombia's investigation under the…
- [NTSB ENG20WA011](https://openairdocs.org/ntsb/ENG20WA011.md): Airbus A320 · Guwahati, India · Incident · No injuries · Foreign investigation · Dec 23, 2019 · VT-WGL · No damage
  > The government of India has notified the NTSB of an incident involving an Airbus A320 airplane that occurred on December 23, 2019. A GoAir Airbus A320-271N Neo powered by two Pratt & Whitney PW1127G-JM geared turbofan engines experienced an inflight shutdown…
- [NTSB ENG20WA009](https://openairdocs.org/ntsb/ENG20WA009.md): Airbus A320 · Mumbai, India · Incident · No injuries · Foreign investigation · Dec 22, 2019 · VT-WJE · No damage
  > The government of India has notified the NTSB of an incident involving an Airbus A320 airplane that occurred on December 22, 2019. A GoAir Airbus A320-271N Neo powered by two Pratt & Whitney PW1127G-JM geared turbofan engines experienced high engine…
- [NTSB ERA20LA054](https://openairdocs.org/ntsb/ERA20LA054.md): Robinson R44 · San Antonio, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 14, 2019 · N440AH · Substantial damage
  > Maintenance personnel’s failure to complete all necessary steps of a service bulletin and subsequent failure to identify the loose lower actuator bearing support bracket during inspections, which resulted in the misalignment of the clutch actuator, resulted…
- [NTSB GAA20WA108](https://openairdocs.org/ntsb/GAA20WA108.md): De Havilland DHC6 · Pau Pyrenesse, France · Incident · No injuries · Foreign investigation · Dec 6, 2019 · F-GHRK · Minor damage
  > The government of France has notified the NTSB of an accident involving a DE HAVILLAND DHC6 airplane that occurred on December 06, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of France's investigation under the…
- [NTSB CEN20FA023](https://openairdocs.org/ntsb/CEN20FA023.md): Piper PA24 · San Antonio, TX · Accident · 3 fatal · Class 3 · Field · Final report · Dec 2, 2019 · N6678P · Substantial damage
  > The loss of engine power for reason that could not be determined. Contributing to the accident was the pilot’s failure to maintain aircraft control while maneuvering to landing which resulted in an inadvertent stall/spin with insufficient altitude to recover.
- [NTSB WPR20LA035](https://openairdocs.org/ntsb/WPR20LA035.md): Zenith Stol CH701 · Byron, CA · Accident · No injuries · Class 3 · Limited · Final report · Nov 29, 2019 · N701WJ · Substantial damage
  > The pilot/builder's improper construction of the cowling, which resulted in inadequate venting of the engine, its overheating, and a partial loss of engine power.
- [NTSB ERA20LA044](https://openairdocs.org/ntsb/ERA20LA044.md): Beech E35 · Okeechobee, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 23, 2019 · N3315C · Destroyed
  > The separation of the throttle control cable from the carburetor throttle control lever resulting in the near total loss of engine power. Contributing to the separation of the throttle cable was the lack of proper securing hardware by unknown maintenance…
- [NTSB ENG20WA049](https://openairdocs.org/ntsb/ENG20WA049.md): Boeing 737 · Owerri, Nigeria · Occurrence · No injuries · Class 5 · Foreign · Nov 5, 2019 · 5N-BUJ · No damage
- [NTSB WPR20FA016](https://openairdocs.org/ntsb/WPR20FA016.md): Enstrom 280F · Jordan Valley, OR · Accident · 1 fatal · Class 3 · Field · Final report · Oct 25, 2019 · N280F · Substantial damage
  > A partial loss of engine power due to a worn engine air induction hose, and a subsequent uncontrolled descent into terrain. Contributing to the accident was the failure of maintenance personnel to adequately inspect the hose, and the pilot’s decision to fly…
- [NTSB ERA20LA017](https://openairdocs.org/ntsb/ERA20LA017.md): Ayres S2R · Shellman, GA · Accident · No injuries · Class 3 · Limited · Final report · Oct 18, 2019 · N762BF · Destroyed
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR20LA007](https://openairdocs.org/ntsb/WPR20LA007.md): Hiller UH 12E · Susanville, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 14, 2019 · N131HA · Substantial damage
  > A partial loss of engine power due to multiple overtemperature events and a hot start event, which resulted in thermally damaged internal components of the engine. Contributing to the accident was the lack of suitable terrain on which to perform the forced…
- [NTSB CEN20LA005](https://openairdocs.org/ntsb/CEN20LA005.md): Zenair Zenith CH 701 · Garden Ridge, TX · Accident · No injuries · Limited investigation · Final report · Oct 5, 2019 · N701BJ · Substantial damage
  > The partial loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN19LA326](https://openairdocs.org/ntsb/CEN19LA326.md): Vans Vans RV-10 · Lancaster, TX · Accident · No injuries · Class 3 · Limited · Final report · Sep 21, 2019 · N569JC · Substantial damage
  > A partial loss of engine power due to a faulty magneto/ignition system, which resulting in a forced landing.
- [NTSB ERA19LA274](https://openairdocs.org/ntsb/ERA19LA274.md): Socata TB9 · Fort Meade, MD · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 17, 2019 · N2824R · Substantial damage
  > The failure of the carburetor intake scat tubing, which resulted in a partial loss of engine power.
- [NTSB ERA19LA273](https://openairdocs.org/ntsb/ERA19LA273.md): Robinson R44 · Sardis, GA · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 17, 2019 · N827JE · Substantial damage
  > Fatigue failure of the fasteners on the engine crankshaft, which resulted in a partial loss of engine power and a subsequent forced landing.
- [NTSB ERA19LA272](https://openairdocs.org/ntsb/ERA19LA272.md): Diamond DA40 · Norfolk, VA · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 15, 2019 · N292RA · Substantial damage
  > A partial loss of engine power due to the mechanic's failure to properly tighten the two clamps securing the flexible coupling from the intercooler to the induction inlet.
- [NTSB CEN19LA299](https://openairdocs.org/ntsb/CEN19LA299.md): Piper PA28 · Conroe, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 31, 2019 · N55633 · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB ERA19FA256](https://openairdocs.org/ntsb/ERA19FA256.md): Moriarty Marvin Aventura II · Minneola, FL · Accident · 1 fatal · Class 3 · Field · Final report · Aug 23, 2019 · N9143M · Substantial damage
  > The pilot’s improper modifications to the airplane’s engine, which resulted in the partial loss of engine power. Contributing to the outcome was the pilot's exceedance of the airplane’s critical angle of attack during an attempted return to the airport…
- [NTSB WPR19LA233](https://openairdocs.org/ntsb/WPR19LA233.md): Cessna 120 · Livermore, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 21, 2019 · N4237N · Substantial damage
  > A partial loss of engine power due to fouled spark plugs in the No. 4 cylinder. Contributing to the accident was the pilot’s exceedance of the airplane’s critical angle of attack and a subsequent loss of control during the initial climb.
- [NTSB ERA19FA249](https://openairdocs.org/ntsb/ERA19FA249.md): Cessna T303 · Lagrangeville, NY · Accident · 2 fatal · Class 3 · Field · Final report · Aug 17, 2019 · N303TL · Destroyed
  > A partial loss of engine power in both engines during initial climb for reasons that could not be determined based on the available information.
- [NTSB CEN19LA275](https://openairdocs.org/ntsb/CEN19LA275.md): Cessna 150 · Rio Grande City, TX · Accident · No injuries · Class 3 · Limited · Final report · Aug 15, 2019 · N150CR · Substantial damage
  > The loss of engine power following an increase in oil temperature for undetermined reasons during cruise flight, which resulted in a forced landing on unsuitable terrain.
- [NTSB ERA19LA245](https://openairdocs.org/ntsb/ERA19LA245.md): Schweizer 269C · Allentown, PA · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 11, 2019 · N1831A · Substantial damage
  > Inadequate maintenance of the helicopter’s magnetos, which resulted in a partial loss of engine power during the initial climb due to a failure of the left magneto and malfunction of the right magneto.
- [NTSB CEN19WA274](https://openairdocs.org/ntsb/CEN19WA274.md): Bell 206 · Vuoggatjålme, Sweden · Accident · No injuries · Foreign investigation · Aug 10, 2019 · SE-JOA · Substantial damage
  > On August 10, 2019, about 0855 hours universal coordinated time, a Bell 206-L1, Swedish registration SE-JOA, was damaged when the rotor blades struck the tail boom during an emergency landing following a loss of engine power after takeoff near Vuoggatjålme,…
- [NTSB CEN19LA262](https://openairdocs.org/ntsb/CEN19LA262.md): Pietenpol Aircamper · Newark, OH · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 10, 2019 · N899DA · Substantial damage
  > The engine’s failure to produce full power for reasons that could not be determined.
- [NTSB CEN19LA260](https://openairdocs.org/ntsb/CEN19LA260.md): Moth DH60GM · Cortez, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 8, 2019 · N919DH · Substantial damage
  > A partial loss of engine power due to carburetor ice accumulation, which resulted in a loss of altitude and impact with trees.
- [NTSB CEN19LA250](https://openairdocs.org/ntsb/CEN19LA250.md): Robinson Helicopter R44 II · Lyons, NE · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 3, 2019 · N440EM · Substantial damage
  > The engine's low cylinder compression, which resulted in low rotor rpm and a subsequent dynamic rollover following landing on soft terrain.
- [NTSB CEN19LA265](https://openairdocs.org/ntsb/CEN19LA265.md): Piper PA28 · Fairhope, AL · Accident · No injuries · Class 3 · Limited · Final report · Jul 30, 2019 · N6754J · Substantial damage
  > Failure of the No. 3 exhaust valve and the subsequent loss of engine power due to engine operation with an excessively lean fuel mixture over a period of time.
- [NTSB WPR19LA226](https://openairdocs.org/ntsb/WPR19LA226.md): Cessna 177RG · Fall City, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 27, 2019 · N1828Q · Substantial damage
  > The failure of the No. 3 cylinder intake valve that resulted in a partial loss of engine power and a forced landing on uneven terrain.
- [NTSB ERA19LA238](https://openairdocs.org/ntsb/ERA19LA238.md): Aero Commander S2R · Cuthbert, GA · Accident · No injuries · Class 3 · Limited · Final report · Jul 25, 2019 · N5680X · Substantial damage
  > The failure of the No. 1 bearing due to fatigue which resulted in a partial loss of engine power. The reason for the bearing failure could not be determined based on the available information.
- [NTSB GAA19WA458](https://openairdocs.org/ntsb/GAA19WA458.md): Sikorsky S92 · Sable Island, Canada · Incident · No injuries · Foreign investigation · Jul 24, 2019 · C-GICB · No damage
  > The government of Canada has notified the NTSB of an accident involving a SIKORSKY S92 helicopter that occurred on July 24, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Canada's investigation under the provisions…
- [NTSB ANC19LA040](https://openairdocs.org/ntsb/ANC19LA040.md): Cessna 182 · Farewell, AK · Accident · No injuries · Class 3 · Limited · Final report · Jul 24, 2019 · N3934D · Substantial damage
  > A reported partial loss of engine power during takeoff for reasons that could not be determined.
- [NTSB WPR19LA198](https://openairdocs.org/ntsb/WPR19LA198.md): Cessna 172 · Madras, OR · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 22, 2019 · N3761L · Substantial damage
  > A partial loss of power during final approach for undetermined reasons as postaccident examinations did not reveal any preimpact anomalies with the airplane or engine.
- [NTSB CEN19LA233](https://openairdocs.org/ntsb/CEN19LA233.md): Cessna 172 · Kingston, OK · Accident · No injuries · Class 3 · Limited · Final report · Jul 22, 2019 · N8251L · Substantial damage
  > The partial loss of engine power due to a stuck exhaust valve.
- [NTSB ERA19LA232](https://openairdocs.org/ntsb/ERA19LA232.md): Vans RV7 · Ocean City, MD · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 19, 2019 · N849GS · Substantial damage
  > The disconnection of the propeller governor control arm from the propeller governor due to a missing attachment bolt, which resulted in a partial loss of engine power during takeoff when the governor control vibrated to a high pitch, low rpm setting.
- [NTSB ANC19LA034](https://openairdocs.org/ntsb/ANC19LA034.md): Cessna 172RG · Ocean City, MD · Accident · No injuries · Class 3 · Limited · Final report · Jul 16, 2019 · N9715B · Substantial damage
  > A partial loss of power due to the liberation or failure of the No. 2 cylinder's exhaust valve.

Next page: https://openairdocs.org/ntsb-events/342/cases.md?page=11

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

This list as a web page: https://openairdocs.org/ntsb-events/342/cases?page=10

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