STC SA2957SW

Duplicate copy issued on July 23, 2002 ttnftrd jtitatts tf amrrica Bqrartmntt of transportation — federal Station administration Supplemental t^pe Certificate *.sKt#m>v€>r'SA2957SW Graiiville Laseeter d/b/a Granville's Aircraft Strut Sealant 802 E. Grant Morton, Texas 79346 '^;.^^ Civil Air3 iat 3A4 Beech 50, B50, C50, D50, D50A, D50B, D50C, D50E, D50E-5990. E50, F50, G50, H50, J50 Addition of Hydro Seal Fluid Additive to the landing gear shock struts according to Specifications dated 12/26/76, or later FAA approved revision.

Compatibility of this modification with other previously approved modifications be determined by the Installer.

January 16, 1979 March 21, 1979 w August 8, 1980 Revision 1 T T i£f, a . £-i;;i,-, (Signature) Don P. Watson Chief, Engineering and Manufacturing Branch

This ceilificale may bt tiansftrred in accordance with FAR 2I.f7.

FAA FoiM 8 I 10-3 (10-69)

TRANSFER ENDORSEMENT Transfer tha ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP coda) from (Name of grantor) (Print OJT type) (Address of grantor) (Number £ street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink)