# NTSB investigations: Rolls-Royce VIPER MK522

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 WPR18LA094](https://openairdocs.org/ntsb/WPR18LA094.md): Soko Galeb G 2 · Elko, NV · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 21, 2018 · N90SR · Substantial damage
  > An improperly installed brake cylinder, which resulted in insufficient hydraulic pressure being provided to three of the brake cylinders and the left brake being inoperable during landing.
- [NTSB LAX91FA132](https://openairdocs.org/ntsb/LAX91FA132.md): Hawker Siddeley DH.125-1A/522 · San Diego, CA · Accident · 10 fatal · Field investigation · Final report · Mar 16, 1991 · N831LC · Destroyed
  > Improper planning/decision by the pilot, the pilot's failure to maintain proper altitude and clearance over mountainous terrain, and the copilot's failure to adequately monitor the progress of the flight. Factors related to the accident were: insufficient…
- [NTSB ATL88MA053](https://openairdocs.org/ntsb/ATL88MA053.md): Hawker Siddeley HS-125-400A · Lexington, KY · Accident · 2 fatal · Major investigation · Final report · Dec 5, 1987 · N400PH · Destroyed
  > While en route at FL 370, the plts declared an emerg, rprtd a fire in the rgt eng & reqd vectors to the nearest suitablearpt. They were vectored twd the Lexington bluegrass arpt & clrd to dscnd. Shortly after declaring an emerg, the plts rprtd they secured…
- [NTSB CHI86FA191](https://openairdocs.org/ntsb/CHI86FA191.md): Hawker Siddeley DH-125-1A · Bedford, IN · Accident · 2 fatal · Field investigation · Final report · Aug 2, 1986 · N50HH · Destroyed
  > The plt canceled IFR 8 miles from the arpt to continue on a visual apch and landing. Witnesses stated a strong thunderstorm had just passed over the arpt. Wind info issued to the plt by UNICOM were west at 20 KTS. Witnesses observed the acft apch rwy 31 and…

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('54552'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=54552

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