# NTSB investigations: Ignition power supply 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 ERA25LA056](https://openairdocs.org/ntsb/ERA25LA056.md): Finn Lassen RV-4 · O'Brien, FL · Accident · No injuries · Class 4 · Limited · Final report · Nov 9, 2024 · N214FL · Substantial damage > A total loss of engine power and navigational equipment as a result of a faulty battery. - [NTSB CEN24LA012](https://openairdocs.org/ntsb/CEN24LA012.md): Tvap 4 · Franksville, WI · Accident · No injuries · Class 3 · Limited · Final report · Oct 15, 2023 · N42VZ · Substantial damage > The improper installation of the supplemental ignition system, which resulted in a total loss of engine power. - [NTSB WPR23LA295](https://openairdocs.org/ntsb/WPR23LA295.md): Fish Larry W Lancair 360 · Renton, WA · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 31, 2023 · N68XA · Substantial damage > A loss of electrical power due to low battery voltage, which resulted in an inflight shut down of the capacitor discharge ignition system and a loss of engine power. Contributing to the accident was the pilot’s failure to switch batteries after the electrical… - [NTSB WPR18LA209](https://openairdocs.org/ntsb/WPR18LA209.md): Cessna 402 · Fort Lauderdale, FL · Accident · No injuries · Class 3 · Limited · Final report · Jun 14, 2018 · N322HA · Substantial damage > The failure of the left starter relay, which resulted in a loss of electrical power during the flight and the failure of the T-handle from the cable led to a forced landing with the landing gear retracted. - [NTSB ANC18LA002](https://openairdocs.org/ntsb/ANC18LA002.md): Fleetwood Jack Team Airbike · Ocean Springs, MS · Accident · No injuries · Limited investigation · Final report · Oct 11, 2017 · N7566D · Substantial damage > An intermittent failure of the power take-off cylinder ignition coil, which resulted in a partial loss of engine power. - [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 WPR15LA020](https://openairdocs.org/ntsb/WPR15LA020.md): Winston W Walker Thunder Mustang · Globe, AZ · Accident · Serious injuries · Limited investigation · Final report · Oct 24, 2014 · N244SW · Substantial damage > The separation of the main crank drive pulley from the engine’s accessory section due to three of its securing bolts backing out of their holes, which subsequently resulted in two accessory belts becoming unsecure, both crank sensor plugs becoming dislodged,… - [NTSB WPR13LA134](https://openairdocs.org/ntsb/WPR13LA134.md): Blumer Challenger II Spec · Peoria, AZ · Accident · No injuries · Limited investigation · Final report · Feb 26, 2013 · N107BW · Substantial damage > A cracked cooling fan housing, which led to a malfunction of the ignition system and a loss of engine power during the landing approach. - [NTSB WPR10LA316](https://openairdocs.org/ntsb/WPR10LA316.md): McGlashan T-51 Mustang · Columbia, CA · Accident · No injuries · Limited investigation · Final report · Jun 27, 2010 · N751RM · Substantial damage > A loss of engine power during approach due to thermal damage to the engine's electronic ignition module. Contributing to the accident was the builder’s placement of the ignition module near the engine’s exhaust. - [NTSB ERA10LA102](https://openairdocs.org/ntsb/ERA10LA102.md): Davis Michael J Longez · Dexter, KY · Accident · 1 fatal · Limited investigation · Final report · Dec 25, 2009 · N499CM · Destroyed > The loss of engine power due to the chaffing and grounding of the single magneto's ignition lead. - [NTSB ERA09LA187](https://openairdocs.org/ntsb/ERA09LA187.md): Doyle-Michael Sonerai-II · Leonardtown, MD · Accident · Minor injuries · Limited investigation · Final report · Mar 6, 2009 · N28MD · Substantial damage > The pilot's continued operation of the airplane with a known mechanical deficiency. Contributing to the accident was the improper installation of the electronic ignition system. - [NTSB ERA09CA162](https://openairdocs.org/ntsb/ERA09CA162.md): Davis Sonex · Crossville, TN · Accident · Minor injuries · Data collection · Final report · Feb 6, 2009 · N555SX · Substantial damage > A total loss of engine power during initial climb due to the failure of the ignition power supply as a result of the improper installation of the electronic control unit. - [NTSB LAX08LA142](https://openairdocs.org/ntsb/LAX08LA142.md): Ercoupe 415-C · Penngrove, CA · Accident · No injuries · Limited investigation · Final report · May 15, 2008 · N99180 · Substantial damage > The loss of engine power resulting from frayed magneto "P" leads, which shorted out and killed the ignition system. Contributing to the accident was the lack of suitable terrain for the forced landing. ## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01057410')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-findings/01057410/cases --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.