# NTSB investigations, 2015: Powerplant sys/comp malf/fail

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 ERA16LA066](https://openairdocs.org/ntsb/ERA16LA066.md): Raytheon A36 · Fayetteville, NC · Accident · Serious injuries · Limited investigation · Final report · Dec 12, 2015 · N3241N · Substantial damage
  > Maintenance personnel's application of an unapproved sealant to the engine case halves during engine overhaul, contrary to manufacturer's instructions, which resulted in lubrication restriction due to a bearing shift and the subsequent internal failure of the…
- [NTSB CEN16WA057](https://openairdocs.org/ntsb/CEN16WA057.md): Cessna 560 · Farnborough, United Kingdom · Accident · No injuries · Foreign investigation · Nov 29, 2015 · SE-RHJ · Substantial damage
  > This is preliminary information, subject to change, and may contain errors. The foreign authority was the source of this information. On November 29, 2015, at 1350 UTC, a Cessna Citation 560XL, SE-RHJ, experienced an in-flight cowling departure during descent…
- [NTSB ERA16LA041](https://openairdocs.org/ntsb/ERA16LA041.md): Woodrow Larry W Sonex · Morganton, NC · Accident · No injuries · Limited investigation · Final report · Nov 15, 2015 · N7035Z · Substantial damage
  > The pilot/owner’s inadequate maintenance inspection following a propeller strike, which resulted in the subsequent in-flight propeller separation due to propagation of fatigue cracks in the crankshaft.
- [NTSB CEN16LA035](https://openairdocs.org/ntsb/CEN16LA035.md): Glimn Kitfox 2-3 · Escanaba, MI · Accident · Minor injuries · Limited investigation · Final report · Nov 3, 2015 · N93TG · Substantial damage
  > The airplane owner's inadequate maintenance and servicing of the propeller gearbox, which resulted in oil starvation, failure of the gearbox in flight, and a subsequent loss of propeller thrust. Contributing to the outcome was the airplane's low altitude at…
- [NTSB CEN16LA026](https://openairdocs.org/ntsb/CEN16LA026.md): Cirrus Design SR22T · Fayetteville, AR · Accident · Minor injuries · Limited investigation · Final report · Nov 3, 2015 · N857SW · Substantial damage
  > The fatigue failure of the oil cooler cross fitting, which resulted in engine oil starvation and a total loss of engine power.
- [NTSB CEN16LA032](https://openairdocs.org/ntsb/CEN16LA032.md): Cessna 177RG · Red Oak, IA · Accident · No injuries · Limited investigation · Final report · Oct 8, 2015 · N1542H · Substantial damage
  > The improper torque of the engine’s No. 3 cylinder intake pipe bolts, which resulted in the separation of the pipe and a partial loss of engine power.
- [NTSB ERA15LA377](https://openairdocs.org/ntsb/ERA15LA377.md): Piper PA 28RT-201T · Dawson Springs, KY · Accident · Serious injuries · Limited investigation · Final report · Sep 29, 2015 · N2175K · Substantial damage
  > The fatigue failure of a crankshaft counterweight, which resulted in a total loss of engine power during cruise flight.
- [NTSB CEN15LA421](https://openairdocs.org/ntsb/CEN15LA421.md): Lerch RV6A · Deckerville, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 22, 2015 · N215DG · Substantial damage
  > The in-flight loss of engine oil after the oil filter separated from the engine adapter assembly because of an incorrect modification of the oil filter adapter assembly, which resulted in a precautionary landing in a field.
- [NTSB ERA15LA332](https://openairdocs.org/ntsb/ERA15LA332.md): Lancair IV · Fort Lauderdale, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 30, 2015 · N864KM · Destroyed
  > The mechanic's improper installation of the turbocharger assembly, which resulted in oil starvation and a subsequent total loss of the engine power.
- [NTSB ANC15FA066](https://openairdocs.org/ntsb/ANC15FA066.md): Cessna 180 · Kasilof, AK · Accident · 2 fatal · Field investigation · Final report · Aug 23, 2015 · N3043E · Substantial damage
  > The total loss of engine power for reasons that could not be determined based on postaccident examination and testing.
- [NTSB CEN15IA365](https://openairdocs.org/ntsb/CEN15IA365.md): Beech V35 · Mount Vernon, OH · Incident · No injuries · Incident investigation · Final report · Aug 16, 2015 · N2059W · No damage
  > The loosening of the flyweight due to the installation of an improperly hardened flyweight carrier, which resulted in the overspeed of the propeller and engine and the subsequent in-flight separation of the propeller.
- [NTSB ERA15FA312](https://openairdocs.org/ntsb/ERA15FA312.md): Cessna T206H · West Caldwell, NJ · Accident · 1 fatal · Field investigation · Final report · Aug 15, 2015 · N63TV · Destroyed
  > A loss of engine power due to a malfunction of the turbocharging system likely due to contaminated oil. Also causal were the pilot's decision to continue the takeoff although the airplane was not performing normally and his failure to maintain adequate…
- [NTSB ERA15LA311](https://openairdocs.org/ntsb/ERA15LA311.md): Thomas A Siminski Zenith CH 750 · Allentown, PA · Accident · Serious injuries · Limited investigation · Final report · Aug 14, 2015 · N1750Z · Substantial damage
  > A partial loss of engine power due to the No. 1 spark plug being liberated from the cylinder head due to the stripped threads in the cylinder head. Contributing to the accident was the pilot’s decision to attempt to return to the airport while at a low…
- [NTSB ERA15LA300](https://openairdocs.org/ntsb/ERA15LA300.md): Cessna 182 · Hot Springs, VA · Accident · Minor injuries · Limited investigation · Final report · Aug 8, 2015 · N7506S · Substantial damage
  > A partial loss of engine power during initial climb due to the failure of a magneto. Contributing to the accident was the pilot's decision to operate the airplane without a current annual inspection.
- [NTSB WPR15FA236](https://openairdocs.org/ntsb/WPR15FA236.md): Cessna 182F · Montecito, CA · Accident · 2 fatal · Field investigation · Final report · Aug 7, 2015 · N5738F · Substantial damage
  > Oil starvation that led to the failure of the No. 5 connecting rod and a subsequent loss of engine power.
- [NTSB ENG15RA038](https://openairdocs.org/ntsb/ENG15RA038.md): ATR ATR72 · Lampedusa, Italy · Incident · No injuries · Foreign investigation · Aug 7, 2015 · I-ADLW
  > The Agenzia Nazionale per la Sicurrezza del Volo (ANSV) has notified the NTSB of an incident involving an ATR 72 that occurred August 7, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the ANSV investigation under the provisions of…
- [NTSB WPR15LA230](https://openairdocs.org/ntsb/WPR15LA230.md): Grumman G164 - B · Princeton, CA · Accident · No injuries · Limited investigation · Final report · Aug 4, 2015 · N48452 · Substantial damage
  > The loss of engine power during an agricultural application flight due to a cylinder failure.
- [NTSB DCA15WA182](https://openairdocs.org/ntsb/DCA15WA182.md): Bombardier CL600 2E25 · Makassar, Indonesia · Incident · No injuries · Foreign investigation · Jul 27, 2015 · PK-GRC · No damage
  > The National Transportation Safety Committee of Indonesia (KNKT) has notified the NTSB of an incident involving a CRJ-1000, which occurred on August 27, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the KNKT investigation under the…
- [NTSB ENG15RA028](https://openairdocs.org/ntsb/ENG15RA028.md): Airbus A330 - 223 · Riyadh, Saudi Arabia, Saudi Arabia · Incident · No injuries · Foreign investigation · Jul 23, 2015 · HL8211 · No damage
  > On July 23, 2015, at about 12:23 UTC, a Korean Air Airbus A330-223, registration number HL8211, experienced a No. 1 (left engine) stall after initial takeoff from the King Khalid International Airport (KSA) in Riyadh, Saudi Arabia. The flight crew received a…
- [NTSB CEN15LA346](https://openairdocs.org/ntsb/CEN15LA346.md): Ercoupe 415 · Saint Martin Island, MI · Accident · No injuries · Limited investigation · Final report · Jul 18, 2015 · CFGGS · Substantial damage
  > The failure of a connecting rod bearing, which resulted in a loss of engine power.
- [NTSB WPR15LA194](https://openairdocs.org/ntsb/WPR15LA194.md): Grumman Acft ENG Cor-Schweizer G 164A · Five Points, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 21, 2015 · N8598H · Substantial damage
  > Maintenance personnel’s improper reassembly of the engine during overhaul, which led to the failure of the supercharger-blower due to a lack of lubrication and the subsequent total loss of engine power during takeoff.
- [NTSB CEN15LA270](https://openairdocs.org/ntsb/CEN15LA270.md): Piper PA28-200 · Jonesboro, AR · Accident · No injuries · Limited investigation · Final report · Jun 10, 2015 · N872CS · Substantial damage
  > Maintenance personnel's improper engine oil drain valve installation, which led to engine oil exhaustion and the subsequent loss of engine power after takeoff at an altitude too low for the pilot to execute a forced landing in a suitable area.
- [NTSB WPR15LA175](https://openairdocs.org/ntsb/WPR15LA175.md): Mooney M20K · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Jun 3, 2015 · N3567H · Substantial damage
  > A total loss of engine power during cruise flight due to a failure of the No. 1 piston and connecting rod assembly.
- [NTSB WPR15LA178](https://openairdocs.org/ntsb/WPR15LA178.md): Garlick Helicopters UH 1H · Cove, OR · Accident · No injuries · Limited investigation · Final report · May 31, 2015 · N462CC · Substantial damage
  > The failure of the engine-to-transmission drive shaft coupling assembly due to a fatigue fracture of one of its attachment bolts, which resulted in a loss of power to the main rotor.
- [NTSB CEN15LA239](https://openairdocs.org/ntsb/CEN15LA239.md): Ayres S2R G6 · Tivoli, TX · Accident · Minor injuries · Limited investigation · Final report · May 20, 2015 · N3300U · Substantial damage
  > The failure of the fuel control unit due to the worn stub shaft spline, which resulted in an engine overspeed. Contributing to the accident was maintenance personnel's inadequate inspection of the fuel control unit.
- [NTSB CEN15LA233](https://openairdocs.org/ntsb/CEN15LA233.md): Cessna T206H · Piggott, AR · Accident · Minor injuries · Limited investigation · Final report · May 15, 2015 · N164CS · Substantial damage
  > The loss of engine power due to a malfunctioning magneto. Contributing to the accident was maintenance personnel's improper use of a drill bit instead of a timing pin during magneto installation, which resulted in a section of the drill bit breaking off and…
- [NTSB ENG15WA022](https://openairdocs.org/ntsb/ENG15WA022.md): Boeing 727-2F9 · Bogotá, Colombia, Colombia · Incident · Minor injuries · Foreign investigation · May 6, 2015 · HK4262 · Minor damage
  > On May 6, 2015 at about 1215 coordinated universal time, a Boeing 727-200F, operated by Líneas Aéreas Suramericanas experienced an uncontained No.1 engine failure shortly after takeoff from El Dorado International Airport (SKBO), Bogotá, Colombia. The…
- [NTSB ERA15LA205](https://openairdocs.org/ntsb/ERA15LA205.md): Jerome D Fischer RV-7 · Bartow, GA · Accident · Minor injuries · Limited investigation · Final report · May 5, 2015 · N364SJ · Substantial damage
  > The pilot's use of the improper fuel grade for the engine, which resulted in detonation, engine damage, and loss of engine power.
- [NTSB CEN15IA230](https://openairdocs.org/ntsb/CEN15IA230.md): Cessna 152 · Pilot Point, TX · Incident · No injuries · Incident investigation · Final report · Apr 30, 2015 · N49158 · Minor damage
  > The loss of engine power due to the separation of the distributor gear arm on the left magneto.
- [NTSB CEN15LA175](https://openairdocs.org/ntsb/CEN15LA175.md): Grumman Acft ENG Cor-Schweizer G 164A · New Roads, LA · Accident · Minor injuries · Limited investigation · Final report · Mar 17, 2015 · N9755 · Substantial damage
  > The loss of engine power due to three stuck exhaust valves.
- [NTSB CEN15CA155](https://openairdocs.org/ntsb/CEN15CA155.md): Gaddis Michael Exec 162 F · Plymouth, IN · Accident · No injuries · Data collection · Final report · Feb 26, 2015 · N123XZ · Substantial damage
  > The failure of the helicopter's main drive belt resulting in the pilot performing a forced landing, during which the helicopter's fuselage was substantially damage.
- [NTSB WPR15LA109](https://openairdocs.org/ntsb/WPR15LA109.md): Bell/Garlick UH 1H · Shelton, WA · Accident · No injuries · Limited investigation · Final report · Feb 19, 2015 · N166DR · Substantial damage
  > The fatigue failure of the engine-to-transmission driveshaft adapter attachment bolt due to the application of inadequate torque on the bolt during assembly.
- [NTSB ENG15WA034](https://openairdocs.org/ntsb/ENG15WA034.md): Airbus A320 · Tehran, Iran · Incident · No injuries · Foreign investigation · Feb 15, 2015 · EP-TTB · No damage
  > The Civil Aviation Organization of the Islamic Republic of Iran (CAO.IRI) has notified the NTSB of an incident involving an Airbus A320-200, which occurred on February 15, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the CAO…
- [NTSB CEN15LA146](https://openairdocs.org/ntsb/CEN15LA146.md): Piper PA 28R-180 · Haviland, KS · Accident · Minor injuries · Limited investigation · Final report · Feb 14, 2015 · N3918T · Substantial damage
  > The loss of torque on the No. 4 cylinder through bolts, which led to the subsequent failure of the piston, the liberation of the connecting rod, the separation of the No. 4 cylinder from the crankcase in cruise flight, and the airplane’s subsequent impact…
- [NTSB WPR15LA085](https://openairdocs.org/ntsb/WPR15LA085.md): Cubcrafters CC11-160 · San Luis Obispo, CA · Accident · No injuries · Limited investigation · Final report · Jan 16, 2015 · N232LT · Substantial damage
  > The pilot's inadequate instrument scan during cruise flight, which resulted in his failure to notice a loss of engine oil pressure. Contributing to the accident was the failure of the oil pressure transducer supply line, which resulted in oil exhaustion and a…
- [NTSB ERA15LA092](https://openairdocs.org/ntsb/ERA15LA092.md): Beech V35B · Long View, NC · Accident · Serious injuries · Limited investigation · Final report · Jan 6, 2015 · N246JT · Substantial damage
  > The improper installation of the lower rear crankshaft counterweight snap rings by unknown maintenance personnel, which resulted in the separation of the counterweight and a subsequent total loss of engine power during initial climb.

## 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 year(c."eventDate") = 2015
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '340' 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/340/sequence?year=2015

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