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I don't know what RR is, but you don't have to transmit to any central authority. Just to the plane owner.

Make a law that the owner has to preserve the data for one week, but doesn't have to provide it to anyone.

And doesn't the US military track every overland flight anyway?

Rolls Royce. Make a law affecting every nation on the planet? Best of luck wth that.

Actually rules made by the FAA do pretty much affect every nation. Many nations do not have their own version of the FAA and just rely on the US.

But it's even easier than that: Just make all US owned airlines require it, and any flight landing in the US. Phase it in, etc, to give time to upgrade, but it's certainly possible.

I believe that Rolls-Royce doesn't sell it's engines; it leases them instead. So engine telemetry data from many airlines is transmitted to the engine's owner, which happens to be a central organisation.

(Of course, it is a business, rather than branch of a government, and not the only manufacturer of jet engines).

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