Avstar Aircraft of Washington, Inc.

10415 172nd St. E., Hangar A1
Puyallup, WA  98374
office (253)770-9964
or (253)770-0120
email:  avstarair@att.net

Sometimes changing some engine instruments can be a challenge.  We attacked a section of one of Cessna's more complex instrument panels and made it state of the art.

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Cessna 337 instrument panel before upgrade

As the Cessna T337H arrived. Last year, we installed the Shadin fuel flow, but the customer was less than impressed with the performance of the other engine “steam gauges”, so a new plan was created.

Right hand instrument panel prior to upgrade

It’s amazing the mess Cessna can cover up with a plastic panel!

Sheet metal work done on upgrading 337 instrument panel

Sheet metal work complete on new right hand instrument panel.

Cessna instrument panel

Completed installation of new right hand instrument panel, including (2 of each) new M-1 Manifold Pressure Gauges, R-1 Tachometers, and UBG-16 Engine Analyzers. Engine limitations warning lights were installed on the left panel, in front of the pilot, to alert of an out of limit condition sensed by one of these new instruments. There is one for each engine. There are also dimmers installed, one for the LEDs on the M-1's and R-1's, another for the UBG-16 displays.

Upgraded lower left instrument panel on Cessna 337

Installation of VA-1 volt/ammeter, and relocation of the prop de-ice ammeter in the lower left panel. The customer has commented we have to do something with the upper left hand panel, so stay tuned.
Upgraded lower instrument panel on Cessna 337

When the customer's wife saw what was done to the right side, we were directed towards the left. Plastic cover and instruments removed, revealing little structure.
Cessna 337 left hand instrument panel after upgrade

So, add in some new metal, more light wedges for the non internally lit instruments, a bit of paint and new placards, the customer's wife is indeed happy. Now, about that avionics stack...