Engines · electric · data as of November 5, 2026

Siemens SP55D

1 aircraft on the U.S. register carry a Siemens SP55D engine, rated at about 74 horsepower. The Magnus Aircraft EFUSION 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 Siemens SP55D. FAA spelling: SP55D.

Fuel: Electricity.

Fitted to model families

Magnus Aircraft EFUSION1

Model families, as a table

	aircraft
Magnus Aircraft EFUSION	1

Magnus Aircraft EFUSION

Where they are owner's state

Delaware1

By state, as a table

	aircraft
Delaware	1

Kind of aircraft

Electric and sustainable aircraft1 (100%)

By kind, as a table

	aircraft	share
Electric and sustainable aircraft	1	100%

When the aircraft were built by decade

By decade built, as a table

	aircraft
2010	1

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

Where they are

Delaware 1 of these aircraft

Analytics

The whole map of how records connect · these connections as data: /graph/engine/siemens-sp55d.json.

Aircraft newest certificates first · 1

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N501SE	Magnus Aircraft EFUSION	Electric airplane	Rolls Royce CORP Wilmington, Delaware	Experimental	2020-04-15	Renewal notice sent

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), November 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.