STC SA210SW

United £tatu or Bepartmtnt of transportation — Jcdcral atoiation administration ^uppltmental Certiftcate tsutmwr' SA210SW Dusters & Sprayers Supply, Inc.

P. 0. Box 766 Chickasha, Oklahoma 73018 j<£^yie*?*>»_»z<r^ Civil Air -. Boeing 75 Series .- Modify consolidated -Vultee BT-13 engine mount aseeinbly by welding finger plates and gussets in accordance with Lilly Aero Repair Drawings RL3-1, RL3-2, RL3-3, RL3-^, HL3-6 dated March 26, 1963, and welding procedure.

Eligible on Boeing Model 75 Series with Pratt & Whitney 8985 engine.

r March Ifi, 1963 February 13, 1963

••6 >««*«**/ Hovember 30, 1971 . Revleion 1 Hen W. Welsh Chief, Engineering and Manufacturing Branch _ ___ ___ i * ^^^* / F*AFo»» 81 10-} (10-68) 7 his ct'tijicate may be t'ansferrtd in aceordamr uiiltt I-AR 21.47.