The fuselage is welded steel tubing and wings use spruce wood spars with aircraft fabric covering used throughout.

The wings are covered using a scalloped trailing edge pattern.

[2] Kermit Weeks built a Der Jäger D.IX as his first homebuilt aircraft.

His aircraft is on display at the Fantasy of Flight museum in Florida.

Related development Aircraft of comparable role, configuration, and era Stolp Starduster