Engines · four-cycle piston · data as of October 23, 2026

Rotax R670

1 aircraft on the U.S. register carry a Rotax R670 engine, rated at about 87 horsepower. The Rans S-12 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 Rotax R670. FAA spelling: R670.

Fitted to model families

Rans S-121

Model families, as a table

	aircraft
Rans S-12	1

Rans S-12

Where they are owner's state

Iowa1

By state, as a table

	aircraft
Iowa	1

Kind of aircraft

Piston singles1 (100%)

By kind, as a table

	aircraft	share
Piston singles	1	100%

When the aircraft were built by decade

By decade built, as a table

	aircraft
1990	1

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

Fitted to

Rans S-12 1 with this engine series

Where they are

Iowa 1 of these aircraft

Analytics

The whole map of how records connect · these connections as data: /graph/engine/rotax-r670.json.

Aircraft newest certificates first · 1

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N669BS	Rans S12	Fixed-wing, single engine	Individual owner Iowa	Experimental	2024-05-15	Valid

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.