The U.S. aircraft register, updated daily
Engines · electric · data as of October 30, 2026

Rotex REX series

1 aircraft on the U.S. register carry a Rotex REX series engine, rated at about 100 horsepower. The Martin Emde EMG-6 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 REX series. FAA spelling: REX SERIES.

Fitted to model families

Martin Emde EMG-61
Model families, as a table
aircraft
Martin Emde EMG-61

Martin Emde EMG-6

Where they are owner's state

By state, as a table
aircraft
Hawaii1

Kind of aircraft

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

When the aircraft were built by decade

0001112020
By decade built, as a table
aircraft
20201

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

Where they are

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

Aircraft newest certificates first · 1

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N1863X Martin Emde
EMG-6
Fixed-wing, single engine Individual owner
Hawaii
Experimental 2025-06-25 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 30, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.