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FAA STC category

Other aircraft modifications STCs

Current FAA supplemental type certificates outside the principal modification categories. This directory contains 11,384 selected records listed with status Current in the June 30, 2026 FAA DRS snapshot and links every entry to its source.

Showing 9,481–9,600 of 11,384Page 80 of 95
SA01192SEOther aircraft modifications

Installation of vortex generators on the wings and tail surfaces of the above model aircraft in accordance with Drawing Package MA2178, Revision IR, dated January 17 2003, and Installation Manual MA2179, Revision IR, dated February 24, 2003, or later FAA approved revision to either of these documents. NOTE: If more than five vortex generators are damaged or missing, the aircraft is not airworthy.

FAA holder: Micro AeroDynamics Inc

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SA629CHOther aircraft modifications

Limited to installation on PA-31T, serial numbers 31T-7620018, 31T-7820039, and 31T-7520001 ONLY. Installation of Weather Modification equipment in accordance with Weather Modification conversion instructions, Document Control WMI-318MA-972, dtd 3/1/97 (serial number 31T-7620018), or Weather Modification conversion instructions, document control WMI-131MP-972, dtd 3/1/97 (serial number 31T-7820039). With flare racks installed, aircraft is to be operated in Restricted Category.

FAA holder: Weather Modification Inc.

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SA01161SEOther aircraft modifications

Approval of this change in type design applies to the airplane models listed above, only. This approval should not be extended to other aircraft on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

FAA holder: Micro AeroDynamics Inc

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