I have a 1942 Taylorcraft L2 that has no electrical system. I would like to install a transponder so that I can keep it at a class C airport. Having a panel or permanently mounted radio would also be nice.

The type certificate specifies three specific batteries, none of which seem to be made today. A wind generator is also specified in the type certificate. I have that model of wind generator but not the mounting equipment for it.

Before I contact the FSDO I thought that I would ask these questions here:

1. Can I install a battery other than the one specified in the type certificate? (I am thinking of an Odessy PC 680 or similar) If so, do I file a 337?

2. Assuming that the transponder will be TSO'd can I install it with a 337? I will probably go with a microair or similar small transponder with a low current draw.

Is there anything else that I should know? I want to identify all the "gotcha's" before I start this project.

Thanks