FAQ n.22058

The European Union Aviation Safety Agency — Federal Aviation Administration (EASA-FAA) Technical Implementation Procedures (TIP) at revision 7.1 offers in chapter 7.16, a simplified validation process for FAA supplemental type certificates (STCs) classified as “Basic” that are installed to a second-hand aircraft at the time of the export from the United States (US) to the European Union, where the US STC holder is either unwilling or unable to apply for a validation:

• the scope is limited to aircraft and installed engines, if applicable, in the following categories:
  • aeroplanes with a maximum take-off mass (MTOM) of 5 700 kg or less, having a Maximum Mach operating (MMo) equal or less than 0,6 and/or a maximum operating altitude equal or less than 25 000 ft;
  • sailplanes or powered sailplanes;
  • balloons;
  • hot air airships; or
  • rotorcraft with an MTOM of 3 175 kg or less and limited to 4 seats, including pilot;
• the STC holder is unable or unwilling to apply for a validation of the STC;
• the STC is classified as “Basic” according to the criteria stipulated in Section 3.5.3;
• STCs to an aircraft or aircraft engine that may result in a change (increase or decrease) in the noise level(s) are excluded; and
• STCs for external installations to a rotorcraft are excluded.