Yesteryear Aviation

Yesteryear Aviation Owner: Dave Groh Yesteryear Aviation Inc. is located in Mason, Michigan, fifteen miles south of the state capital, Lansing, Michigan.

Our inventory started with three hundred and fifty drums of surplus aircraft hardware from WWII and the Korean War. We have grown and now produce a smoke system, PMA gaskets for the Continental W670 & Lycoming R680, and PMA T-6 parts. In addition, we build Stearman Model 75 series wood wings, wing kits, and overhaul W-670 engines. Our hardware inventory includes a wide variety of bolts, clamps, Dz

us fasteners, nut plates, plumbing fittings, bearings, primer fittings, and prop bolts, plus many “out of production” items. We are not able to include the entire inventory on our website. If you are in need of a specific part that is not listed, please call!

Upper skin has all the stringers riveted in place on the SNJ center section skin. The skin has been put on the center se...
08/19/2026

Upper skin has all the stringers riveted in place on the SNJ center section skin. The skin has been put on the center section for good. Now working at getting the tabs on the ribs riveted to the stringers.

Started squeezing the stringers on the top main skin of our snj center section. Will squeeze all the stringers then re...
08/13/2026

Started squeezing the stringers on the top main skin of our snj center section. Will squeeze all the stringers then reinstall on center section. Ribs and spars will be shot with rivet gun.

SNJ-5.
07/28/2026

SNJ-5.

Lots Clecos needed drilling rivet holes in to Snj-5 center section top main skin.
07/23/2026

Lots Clecos needed drilling rivet holes in to Snj-5 center section top main skin.

Getting top skin positioned before drilling.Bottom side is chromated.
07/07/2026

Getting top skin positioned before drilling.
Bottom side is chromated.

Top skin finished and ready for zinc chromate.
07/05/2026

Top skin finished and ready for zinc chromate.

Fuel filler fl**ged hole in top skin. Made a stamping tool to form the fl**ge and pressed using the press brake.
07/05/2026

Fuel filler fl**ged hole in top skin. Made a stamping tool to form the fl**ge and pressed using the press brake.

07/05/2026
Working on top main center section skin. Cut most of the holes using router guides I made out of MDF.
07/05/2026

Working on top main center section skin. Cut most of the holes using router guides I made out of MDF.

All new stringers now in place. Drilling rib brackets to stringer rivet holes. Getting close to putting heavy top skin i...
05/19/2026

All new stringers now in place. Drilling rib brackets to stringer rivet holes. Getting close to putting heavy top skin in place.

Address

4322 Curtice Road
Mason, MI
48854

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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