# NTSB investigations: Recip eng supercharger

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 ERA25LA004](https://openairdocs.org/ntsb/ERA25LA004.md): Grumman Acft ENG Cor-Schweizer G-164A · Parsonsburg, MD · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 7, 2024 · N8957H · Substantial damage
  > A total loss of engine power for reasons that were not determined.
- [NTSB ERA22LA297](https://openairdocs.org/ntsb/ERA22LA297.md): Grumman G-164A · Hopewell Township, NJ · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 2, 2022 · N8923H · Substantial damage
  > A partial loss of engine power while maneuvering at low altitude due to a failure of the airplane’s supercharger.
- [NTSB WPR20LA042](https://openairdocs.org/ntsb/WPR20LA042.md): Cessna 182 · Carlsbad, CA · Accident · No injuries · Class 3 · Limited · Final report · Dec 13, 2019 · N182EF · Substantial damage
  > The fatigue failure of the crankshaft. Contributing to the accident was the undocumented installation of the supercharger, which resulted in increased stress on the crankshaft.
- [NTSB CEN16LA270](https://openairdocs.org/ntsb/CEN16LA270.md): Cessna 182J · Weatherford, TX · Accident · Serious injuries · Limited investigation · Final report · Jul 19, 2016 · N2644F · Substantial damage
  > An electrical system malfunction for reasons that could not be determined, and the subsequent loss of engine power due to the loss of the electrical boost pumps. Also causal was the pilot's improper emergency action following the loss of engine power due to…
- [NTSB ERA16LA195](https://openairdocs.org/ntsb/ERA16LA195.md): Republic P 47D · New York, NY · Accident · 1 fatal · Limited investigation · Final report · May 27, 2016 · N1345B · Substantial damage
  > A catastrophic engine failure of undetermined origin, which resulted in a total loss of engine power and subsequent ditching. Contributing to the accident was the pilot's failure to jettison the canopy before ditching, which resulted in his inability to…
- [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 WPR13LA043](https://openairdocs.org/ntsb/WPR13LA043.md): Cirrus SR22 · Show Low, AZ · Accident · Minor injuries · Limited investigation · Final report · Nov 16, 2012 · N800RW · Substantial damage
  > The fatigue failure of an improperly installed nipple in the oil system of a supplemental type certificate-installed supercharger, which resulted in a complete loss of engine oil during cruise climb.
- [NTSB CEN12FA170](https://openairdocs.org/ntsb/CEN12FA170.md): Mooney M20E · San Antonio, TX · Accident · 2 fatal · Field investigation · Final report · Feb 26, 2012 · N9224M · Substantial damage
  > The pilot's inadvertent overboost of the turbocharged engine during initial climb, which resulted in detonation and a partial loss of engine power followed by the pilot's failure to maintain airspeed and the instructor's delayed remedial action, which…
- [NTSB ERA11LA290](https://openairdocs.org/ntsb/ERA11LA290.md): Grumman G-164A · Albion, NY · Accident · No injuries · Limited investigation · Final report · Apr 29, 2011 · N896X · Substantial damage
  > A bearing failure in the engine’s supercharger section, which resulted in a total loss of engine power during flight. Contributing to the accident was the soft soil of the forced landing site.
- [NTSB WPR09LA373](https://openairdocs.org/ntsb/WPR09LA373.md): Grumman G164 · Riverdale, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 2009 · N8741H · Substantial damage
  > The partial loss of engine power due to the failure of the engine's supercharger-blower.
- [NTSB LAX08LA274](https://openairdocs.org/ntsb/LAX08LA274.md): Killgore Velocity · North Las Vegas, NV · Accident · 3 fatal · Limited investigation · Final report · Aug 22, 2008 · N415MK · Destroyed
  > A partial loss of engine power during initial climb due to the detachment of the engine supercharger drive belt. The detachment resulted from the owner/builder's inadequate installation of the supercharger system and belt-tensioning adjustment.
- [NTSB LAX08LA177](https://openairdocs.org/ntsb/LAX08LA177.md): Grumman-Schweizer G-164B · Wilder, ID · Accident · Minor injuries · Limited investigation · Final report · Jun 13, 2008 · N48571 · Substantial damage
  > The loss of engine power as a result of failure of the supercharger. 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", '01058560'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01058560/cases

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