PART 4Airworthiness of Aircraft
CHAPTER 3Continuing airworthiness for non-EASA aircraft
Requirement for and validity of a national airworthiness review certificate49
1
An aircraft with a national certificate of airworthiness must not fly unless it has a valid national airworthiness review certificate.
2
Subject to articles F1... 50, 56, 57, 58 and 253, a national airworthiness review certificate is valid for one year.