The U.S. aircraft register, updated daily
Engines · electric · data as of October 23, 2026

Rotex RET series

1 aircraft on the U.S. register carry a Rotex RET series engine, rated at about 300 horsepower. The Avia Stroitel AC-5 is the model most often fitted with it (1 aircraft).

The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Rotex RET series. FAA spelling: RET SERIES.

Fitted to model families

Model families, as a table
aircraft
Avia Stroitel AC-51

Avia Stroitel AC-5

Where they are owner's state

By state, as a table
aircraft
Washington1

Kind of aircraft

By kind, as a table
aircraftshare
Electric and sustainable aircraft1100%

When the aircraft were built by decade

0001112000
By decade built, as a table
aircraft
20001

Connections how this engine series links to the rest of the register

Fitted to
Where they are

The whole map of how records connect · these connections as data: /graph/engine/rotex-ret-series.json.

Aircraft newest certificates first · 1

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N904RW Avia Stroitel
AC-5M
Glider Individual owner
Washington
Experimental 2025-09-15 ValidFAA registration status code V: Valid registration. All codes

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 23, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.