Rely on JetSun Aviation Centre for your T-34 spar solution.  We have the knowledge, experience and desire to make your experience with us a pleasure.  We will do everything in our power to make you a regular customer for all your other T-34 needs.
 
The T-34 Spar Corp. Doubler Plate Alternate Means of Compliance (AMOC)
You can click on a picture to enlarge.
Sioux Gateway Airport - Col Bud Day Field. Conveniently located with great facilities.
Sioux Gateway Airport - Col Bud Day Field.  Conveniently located with great facilities. 		 Jetsun owner, George Wilen is one of the first T-34's to receive the AMOC.
Jetsun owner, George Wilen is one of the first T-34's to receive the AMOC.		 Special tools and technician training are a small part of the AMOC fix. The Jetsun culture is what's really special.
Special tools and technician training are a small part of the AMOC fix.  The Jetsun culture is what's really special.
The aircraft weight is distributed between the gear and jacks to provide the proper spar stresses.
The aircraft weight is distributed between the gear and jacks to provide the proper spar stresses.

Flaps are removed.
Flaps are removed.

Fuel bladders are removed.
Fuel bladders are removed.
The wheel wells are used for aft spar access.
The wheel wells are used for aft spar access

Fasteners are carefully removed.
Fasteners are carefully removed. 

 A view of the wheel well after fastener removal
A view of the wheel well after fastener removal
A view from the forward side of the spar through the fuel bladder access.
A view from the forward side of the spar through the fuel bladder access.		 The technical drawings are placed for easy access
The technical drawings are placed for easy access		 Much R&D was expended to develop the AMOC plate.
Much R&D was expended to develop the AMOC plate.  
Each hole is drilled precisely centered and squared with the spar.
Each hole is drilled precisely centered and squared with the spar.		 Plates are milled to exacting standards, then modified to exactly fit each spar.
Plates are milled to exacting standards, then modified to exactly fit each spar.		 It's a very time consuming job that must be done right the first time -- there is no room for error!
It's a very time consuming job that must be done right the first time -- there is no room for error!
The shape of the plate is milled with a slight bow, and thus the holes are not perpendicular to the plate's face. To have the fastener heads have proper contact, the plate's face must be ground for each fastener.
The shape of the plate is milled with a slight bow, and thus the holes are not perpendicular to the plate's face.  To have the fastener heads have proper contact, the plate's face must be ground for each fastener.
Prior to installation of the plate, an eddy current test is made of each hole.  Above, the eddy current equipment is being calibrated with the standard
Non-destructive inspection (NDI), accomplished with calibrated eddy current equipment.
Required NDI inspection is performed on the rear bath tub fitting
The required NDI inspection is performed on the rear bath tub fitting
 Necessary cold working is completed using hydraulic puller and other necessary equipment.
Doubler plate installed with all fastners.

The fuel cells are replaced (what a great time to replace your old bladders), flaps and other components reinstalled and final inspections are made.
Completion modification plate installed.		 The proud customer flies away in a T-34 who's wing spar is stronger than it was when new.
The proud customer flies away in an UNRESTRICTED T-34 who's wing spar is stronger than it was when new.
 

Aircraft Sales
Airport / Col. Bud Day Field (SUX) 5815 Mitchell Street
Sioux City, Iowa 51111		 Tel: 712-258-6563
Fax: 712-258-7584		 CRS #SG7R549J