What is a Specific Airworthiness Specification (SAS)?
Commission Regulation (EC) 1702/2003 requires products, parts and appliances to be issued with certificates as specified in Part 21. Aircraft without a valid type certificate holder cannot comply with Subpart B of Part 21 and cannot therefore hold type certificates. The Specific Airworthiness Specification (SAS) is the replacement document. Specific Airworthiness Specifications are issued to aircraft without a valid Type Certificate Holder (‘Orphan’ aircraft) or for certain aircraft General Aviation types from CIS that have been certificated in CIS but not validated by EASA. The eligibility of the proposed product should first be reviewed. Annex II aircraft, for example, cannot qualify for SAS as they are outside of the remit of the Agency. If a Type Certificate Holder (TCH) still exists, the preferred path to certification of the product is through a Type Certification or Type Validation. If the current Certification Specifications cannot be met, the option of a Restricted Type Certif
