The FAA Reauthorization Act of 2012, Section 44704(a)(5), §302 allows the FAA to make TC "engineering data" available upon request to persons for certificates that the FAA determines are abandoned. The Act allows for the release of FAA engineering data files of TCs that the FAA finds to be abandoned through a process of due diligence. Order 8110.120, Processing Surrendered, Abandoned, and Historical Aircraft Type Certificates defines the procedure for a due diligence search for owners and/or their heirs of TCs suspected to be abandoned. This Order specifies what actions need to be taken by the FAA to attempt to locate the legal holder of the TC prior to such a determination.The FAA is requesting information on the current holders of the Type Certificates and/or Supplemental Type Certificates listed below, prior to making a determination that these Certificates have been abandoned. Please see the Federal Register notice linked from each entry for more information.

Date of Notice: 
July 8, 2026 (Federal Register Notice)
STC will be considered abandoned if no response received by January 4, 2027

Supplemental Type Certificate Numbers:
SA2082WE, SA2093CE, SA2122WE, SA2242SW, SA2568NM, SA2570NM, SA2680SW, SA341NE, SA404NE, SA441NE, and SE2569NM. 

Aircraft Model & STC Application:
See STCs for applicability. Descriptions of the STC design changes and affected aircraft models are available in the Dynamic Regulatory System (DRS).

Supplemental Type Certificates Holder:
Javelin Conversions, Inc.
8421 Nelms Street, Houston, TX 77061
and 
Eight Greenway Plaza, Ste 930 Houston, TX 77046

Date of Notice: 
October 5, 2026 (Federal Register Notice)
STCs will be considered abandoned if no response received by April 5, 2027

Supplemental Type Certificate Numbers:
STC SA176CE

Aircraft Model & STC Application:
Removal of door and installation of placard on FS 2001 Corp. Model (type certificate previously held by The New Piper Aircraft, Inc) AE-1, HE-1, J5A (Army L-4F), J5A-80, J5B (Army L-4G), and J5C aircraft.

Supplemental Type Certificate Holder:
VanDyke Russell
Marceline, MO 64658