We have numerous STCs for Grumman AA1 and AA5 series aircraft!

SA641NW -  $495.00

• 125 HP conversion for all AA-1 series airplanes and                 includes dorsal fin installation, variety of props                       approved including Sensenich 72CK-0-52/ -56 (the one             standard on the AA-1C only).  Requires engine, prop,              and mount changes to all but the AA-1C to 0-235-L2C.             (Includes SE792NW to modify engine to 125 HP).

SA991NW -  $495.00

• 115 / 125 HP “Long Nose” for all AA-1 Series models               (Includes mandatory installation of dorsal fin and                   option to extend the aft upper baggage compartment).            Requires either O-235-L2C engine, either stock or                  modified to 125 HP IAW STC SE792NW (included), the             AA-5A engine mount and complete cowling, Sensenich             72CKS12-0-57 propeller (O-235-L2C is stock in AA-1C).

SE792NW -  $195.00

• For raising the O-235-L2C Lycoming engine to 125 HP.               Companion STC to SA641NW, SA991NW, SA1000NW,               and is applicable to Long EZE and other home built                 models (Only sold separately for non-certificated                  aircraft but is included with the above listed STC                     packets ).

SA1009NW - $195.00

• Dorsal fin for AA-1, AA-1A, AA-1B, AA-1C GA models                Sold as an individual STC for stock and modified                     airplanes (other than with SA641NW or SA991NW -                 this STC is included with these packets).

SA4722NM - $195.00

• Upper aft baggage compartment “Hat Shelf” extension             for all AA-1 series.                                                  

SA4387NM - $695.00

• 150 HP conversion for all AA-1 series aircraft using                  both the “Dynafocal” and “Conical” type engine                        mounts. This STC packet authorizes STC SA1009NW                 (Dorsal Fin). and incorporates full main landing gear               fairings (sold separately) as options. The basic STC                gives options on items such as air induction system,                engine baffling, and propeller pitch for tailoring the                  project to your own budget and requirements.  THE                 “HYPER CAT” MODIFICATION.                                             

 Note: The above prices are for STC limited license use, drawings    and instructions only - NO PARTS INCLUDED. These are referred     to as “STC packets”.

SA1012NW - $2,995.00, $3,695.00

• 10 & 20 gallon auxilliary fuel kits for all 2 Place AA-1              series aircraft. (Prices include full installation).                     

 Note: This product requires installation at Air Mods facilities. It     is not available in field installable kit form at this time.

SA4708NM - $295.00

• Nose Gear Torque Tube Repair / Reinforcement (STC               only).

SA4708NM - $1,050.00

• Completed (exchange) reinforced Torque Tube Assy. &             STC.                                                                      

Note:  There is a $500.00 core charge on top of the                      price listed here. A part of this core charge may be                       reimbursed if usable components can be salvaged                         from the exchange Torque Tube.