# NTSB investigations: Evolution REVO: Collision with terr/obj (non-CFIT)

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 ERA24FA395](https://openairdocs.org/ntsb/ERA24FA395.md): Evolution Revo · Zephyrhills, FL · Accident · 2 fatal · Class 3 · Field · Final report · Sep 25, 2024 · N889HT · Destroyed
  > The flight instructor’s failure to ensure the haul back cable was securely connected to the “J” hook prior to departing on the accident flight, which resulted in the cable becoming disconnected and the wings folding up during flight.
- [NTSB WPR21LA003](https://openairdocs.org/ntsb/WPR21LA003.md): Evolution Revo · Hawthorne, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Oct 4, 2020 · N449WB · Substantial damage
  > The pilot’s failure to maintain aircraft control during takeoff.
- [NTSB GAA18CA033](https://openairdocs.org/ntsb/GAA18CA033.md): Evolution Revo · Berlin, NH · Accident · No injuries · Data collection · Final report · Oct 29, 2017 · N401HK · Substantial damage
  > The pilot’s failure to center the ground steering before landing, which resulted in a loss of directional control.
- [NTSB CEN16LA245](https://openairdocs.org/ntsb/CEN16LA245.md): Evolution Revo · Holland, MI · Accident · Serious injuries · Limited investigation · Final report · Jun 29, 2016 · N20EV · Substantial damage
  > The flight instructor's failure to maintain aircraft control during landing as a result of his failure to adjust the electric trim to the proper position for landing.
- [NTSB ERA15LA339](https://openairdocs.org/ntsb/ERA15LA339.md): Evolution Revo · Laconia, NH · Accident · 1 fatal · Limited investigation · Final report · Sep 5, 2015 · N2264X · Substantial damage
  > The sport pilot’s improper decision to operate the weight-shift-control aircraft at low altitude and his subsequent failure to maintain control of the aircraft, which resulted in a subsequent collision with terrain.
- [NTSB ERA15CA122](https://openairdocs.org/ntsb/ERA15CA122.md): Evolution Revo · Bushnell, FL · Accident · Minor injuries · Data collection · Final report · Jan 31, 2015 · N40EV · Substantial damage
  > The pilot's failure to maintain airspeed during approach in variable wind, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall.
- [NTSB ERA14CA203](https://openairdocs.org/ntsb/ERA14CA203.md): Evolution Revo · Concord, NH · Accident · Minor injuries · Data collection · Final report · Apr 20, 2014 · N2264X · Substantial damage
  > The student pilot's failure to maintain control during a go around, which resulted in a collision with terrain.

## 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.aircraft_model_code IN ('060009B')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' 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/470/sequence?model=060009B

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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.