# NTSB investigations, 2008: Electrical system malf/failure

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 CEN09IA057](https://openairdocs.org/ntsb/CEN09IA057.md): Cessna T210N · Lubbock, TX · Incident · No injuries · Incident investigation · Final report · Nov 9, 2008 · N6267Y · Minor damage
  > An unidentified anomaly within the airplane's electrical system. Contributing to the incident was the pilot's failure to manually extend the landing gear.
- [NTSB WPR09FA027](https://openairdocs.org/ntsb/WPR09FA027.md): Cessna P206 · Estacada, OR · Accident · 2 fatal · Field investigation · Final report · Oct 29, 2008 · N2570X · Substantial damage
  > The pilot's failure to maintain clearance from trees while on approach to land at night. Contributing to the accident was the electrical system failure and the pilot's diverted attention.
- [NTSB CHI08IA292](https://openairdocs.org/ntsb/CHI08IA292.md): Boeing 757-223 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Sep 22, 2008 · N197AN · Minor damage
  > The failure of an electrical relay due to eroded contacts and the flight crew's decision to continue a flight that was operating on battery power.
- [NTSB NYC08FA292](https://openairdocs.org/ntsb/NYC08FA292.md): Steven A. Jones Lancair IV P · Stafford, VA · Accident · No injuries · Field investigation · Final report · Aug 11, 2008 · N731SJ · Substantial damage
  > The pilot's decision to install voltage regulators in the engine compartment where they were susceptible to water intrusion, which resulted in a malfunction of the standby electrical system's voltage regulator and a subsequent in-flight fire.
- [NTSB LAX08GA239](https://openairdocs.org/ntsb/LAX08GA239.md): Beech A200 · Salt Lake CIty, UT · Accident · No injuries · Final report · Jul 21, 2008 · N11 · Substantial damage
  > The failure of the landing gear motor (worn components) resulting in the partial collapse of the landing gear during landing. Contributing to the accident was the flight crew not following emergency checklist procedures to attempt a manual gear extension.
- [NTSB DCA08MA076](https://openairdocs.org/ntsb/DCA08MA076.md): Boeing 767 · San Francisco, CA · Accident · No injuries · Class 1 · Major · Final report · Jun 28, 2008 · N799AX · Destroyed
  > The design of the supplemental oxygen system hoses and the lack of positive separation between electrical wiring and electrically conductive oxygen system components. The lack of positive separation allowed a short circuit to breach a combustible oxygen hose,…
- [NTSB CHI08CA092](https://openairdocs.org/ntsb/CHI08CA092.md): Cessna 210N · Cincinnati, OH · Accident · No injuries · Data collection · Final report · Mar 20, 2008 · N4943U · Substantial damage
  > The pilot's decision to operate the airplane with a "dead" battery contrary to guidance provided by the Pilot's Operating Handbook. An additional cause was the pilot's failure to verify that the landing gear was fully down and locked prior to landing.…
- [NTSB DFW08CA079](https://openairdocs.org/ntsb/DFW08CA079.md): Willey Rotorway Exec 90 · Westport, OK · Accident · No injuries · Data collection · Final report · Mar 8, 2008 · N5251B · Substantial damage
  > An unsuccessful precautionary landing due to an electrical system malfunction.
- [NTSB DEN08LA057](https://openairdocs.org/ntsb/DEN08LA057.md): Beech A45 · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Feb 12, 2008 · N34KF · Substantial damage
  > The pilot's improper decision to fly the airplane with a discharged battery, which resulted in a total electrical failure during takeoff climb. Contributing factors were the pilot's inability to verify the landing gear position, and the impact with the runway…
- [NTSB DCA08IA033](https://openairdocs.org/ntsb/DCA08IA033.md): Airbus A320 · Newark, NJ · Incident · No injuries · Incident investigation · Final report · Jan 25, 2008 · N462UA · No damage
  > a fault in the airplane's AC 1 electrical bus that caused a number of other electrical busses on the aircraft to lose power.

## 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") = 2008
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '332' 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/332/sequence?year=2008

---
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.