What it is
What STANAG 4586 covers
STANAG 4586 is the NATO standardization agreement that gives force to AEP-84, Edition A, the Allied engineering publication setting standard interfaces of unmanned aircraft (UA) control systems for NATO UA interoperability. A STANAG is not itself a technical specification: it is the agreement by which NATO nations commit to implement one, and the actual interface requirements sit in the Allied Publication it covers. This STANAG responds to an interoperability requirement stated in the document in operational terms: interoperability "will significantly enhance the war fighting capability of the forces" through "sharing of assets and common utilisation of information generated from UA." Read plainly, that means the agreement exists so that different nations' UA and their control systems can exchange data and hand off control using common interfaces, not so that a single national design is imposed on everyone.
This is Edition 4, promulgated 5 April 2017. It supersedes Edition 3 of STANAG 4586.
Who ratifies it, and how it takes effect
The mechanism that matters here: a STANAG binds a nation, not a UA manufacturer or systems integrator. Nations "are invited to examine their ratification of the STANAG and, if they have not already done so, advise the NSO of their intention regarding its implementation," and the national response is recorded in the NATO Standardization Document Database (NSDD). Once ratified, the agreement "is effective upon receipt and ready to be used by the implementing nations and NATO bodies," and it "is implemented when the necessary orders/instructions have been issued directing the forces concerned to put the content of the covered standard into effect." A supplier meets AEP-84 only where a contract or a tender brings it, or this STANAG, in by name, not because either document exists on its own.
Reporting and review
Nations report their effective implementation "using the form in Annex H to AAP-03(J)"; partner nations report their adoption of the STANAG the same way, "using the form in Annex G to AAP-03(J)." The STANAG "is to be reviewed at least once every three years," with the result "recorded within the NSDD," and nations or NATO bodies may propose changes at any time through a standardization proposal to the tasking authority.
How it's evaluated
No certification exists here, and the document names none. What it describes is a national ratification, implementation and review cycle run through NATO's own machinery, not an audit against this STANAG as such. The interface requirements in AEP-84, and how well a UA control system actually implements them, are what a nation's own procurement process and any customer's contract requirements assess.