# NTSB investigations: Vacuum system

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 ERA22FA085](https://openairdocs.org/ntsb/ERA22FA085.md): Beech V35 · Crab Orchard, KY · Accident · 2 fatal · Class 3 · Field · Final report · Dec 10, 2021 · N5704V · Substantial damage
  > The noninstrument-rated pilot’s decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation and a loss of airplane control and collision with terrain. Contributing to the accident was…
- [NTSB ERA20FA021](https://openairdocs.org/ntsb/ERA20FA021.md): Piper PA28R · Atlanta, GA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 30, 2019 · N56258 · Destroyed
  > The pilot's loss of control due to spatial disorientation while flying in instrument meteorological conditions. Contributing to the accident was the failure of the vacuum pump and its associated instruments.
- [NTSB ERA19FA130](https://openairdocs.org/ntsb/ERA19FA130.md): Mooney M20C · Cashiers, NC · Accident · 1 fatal · Class 3 · Field · Final report · Mar 14, 2019 · N6075Q · Destroyed
  > The pilot's loss of airplane control due to spatial disorientation while flying in instrument meteorological conditions. Contributing to the accident was the failure of the vacuum pump and its associated instruments.
- [NTSB ERA19LA012](https://openairdocs.org/ntsb/ERA19LA012.md): Piper PA34 · Westhampton Beach, NY · Accident · 3 fatal · Limited investigation · Final report · Oct 13, 2018 · N593MS · Destroyed
  > The instructor's decision to conduct and continue a visual flight rules flight into instrument meteorological conditions with a known flight instrument anomaly, which resulted in spatial disorientation, causing a loss of airplane control and subsequent…
- [NTSB WPR18FA218](https://openairdocs.org/ntsb/WPR18FA218.md): Mooney M20K · Baker City, OR · Accident · 2 fatal · Field investigation · Final report · Aug 11, 2018 · N231EC · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during the landing approach as a result of his diversion of attention after a series of non-essential aircraft systems became inoperative following the failure of the engine-driven vacuum pump,…
- [NTSB ERA16FA176](https://openairdocs.org/ntsb/ERA16FA176.md): Beech V35 · Syosset, NY · Accident · 3 fatal · Field investigation · Final report · May 3, 2016 · N440H · Destroyed
  > The pilot's loss of airplane control while operating in instrument meteorological conditions with only a partial instrument panel due to a failure of the airplane's vacuum pump. Contributing to the accident were the pilot's spatial disorientation and the…
- [NTSB WPR14LA345](https://openairdocs.org/ntsb/WPR14LA345.md): Piper PA 28-236 · Salmon, ID · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 2014 · N2190H · Substantial damage
  > Maintenance personnel’s improper surface preparation of the accessory mount pad for the installation of the engine’s dry vacuum pump, which resulted in the loss of engine oil, oil pressure, and engine power during flight. Contributing to the accident was the…
- [NTSB ERA14FA168](https://openairdocs.org/ntsb/ERA14FA168.md): Piper PA-44-180 · Brunswick, GA · Accident · 2 fatal · Field investigation · Final report · Mar 24, 2014 · N923RS · Destroyed
  > An inflight failure of the airplane's only operating vacuum pump, which resulted in the loss of attitude information provided by vacuum-driven flight instruments. Also causal was the pilots' failure to maintain control of the airplane while operating in…
- [NTSB ERA13FA088](https://openairdocs.org/ntsb/ERA13FA088.md): Piper PA-28-160 · Parkton, NC · Accident · 1 fatal · Field investigation · Final report · Dec 16, 2012 · N5714W · Substantial damage
  > The failure of the instrument-rated pilot to maintain control of the airplane while in instrument meteorological conditions after reporting a gyro malfunction. Contributing to the accident was the loss of primary gyro flight instruments due to the failure of…
- [NTSB WPR13FA037](https://openairdocs.org/ntsb/WPR13FA037.md): Cessna 421C · Shaver Lake, CA · Accident · 2 fatal · Field investigation · Final report · Nov 11, 2012 · N700EM · Substantial damage
  > The pilot's failure to regain airplane control following a sudden rapid descent during cruise, which resulted in an in-flight breakup. Contributing to the accident was the pilot's decision to make the flight with a failed vacuum pump, particularly at high…
- [NTSB CEN12FA164](https://openairdocs.org/ntsb/CEN12FA164.md): Piper PA-24-250 · Albany, TX · Accident · 2 fatal · Field investigation · Final report · Feb 21, 2012 · N7147P · Substantial damage
  > The loss of flight instrumentation due to a failed vacuum pump while flying a night without a discernable horizon, which resulted in the pilot's spatial disorientation and an in-flight loss of control and impact with terrain. Contributing was the continued…
- [NTSB CEN11LA441](https://openairdocs.org/ntsb/CEN11LA441.md): Piper PA-28-180 · Flippin, AR · Accident · Serious injuries · Limited investigation · Final report · Jul 1, 2011 · N56417 · Substantial damage
  > The loss of engine power due to improper maintenance and resultant oil starvation.
- [NTSB SEA08LA155](https://openairdocs.org/ntsb/SEA08LA155.md): Cessna 172M · Oakland, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 2008 · N61736 · Substantial damage
  > A loss of engine power due to oil starvation. The oil starvation event was due to the failure of maintenance personnel to tighten the mounting bolts for the newly installed vacuum pump.
- [NTSB DFW08LA097](https://openairdocs.org/ntsb/DFW08LA097.md): Raytheon B200 · Taylor, TX · Accident · 1 fatal · Limited investigation · Final report · Apr 10, 2008 · N300FL · Minor damage
  > The failure of the pilot and mechanic to ensure that the airplane was depressurized prior to actuating the door. Contributing to the accident was the failure of the vacuum system.
- [NTSB DFW08FA056](https://openairdocs.org/ntsb/DFW08FA056.md): Aero Commander 500B · Tulsa, OK · Accident · 1 fatal · Field investigation · Final report · Jan 17, 2008 · N712AT · Substantial damage
  > The pilot's loss of control due to spatial disorientation and the pilot exceeding the design/stress limits of the aircraft. Factors contributing to the accident were the pilot's reported gyro problem, the dark night conditions, and prevailing instrument…

## 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", '010237'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/010237/cases

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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.
