In order to allow for the field-testing activities carried out by manufacturers, which are inherent in the engine development process, the temporary placing on the market of engines that have not been EU type-approved at that stage should be allowed.
Chun gníomhaíochtaí tástála allamuigh a dhéanann monaróirí a chur san áireamh, gníomhaíochtaí ar gné dhílis iad de phróiseas forbartha an innill, ba cheart cead a thabhairt innill nach mbeidh cineálcheadú AE faighte acu ag an gcéim sin a chur ar an margadh ar bhonn sealadach.