I'm filling out the registration forms and am unsure about the first line on form 8050-88. It is titled "U.S. Identification". What goes here? Is this the N-number? This is the form that you use to certify that you're the builder.
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Tim Ribble
Virginia Beach
RV-6A (only took 13 years to build )
N621TR In unrestricted operation
They send you all the forms you need...plus a "green book" that gives step by step instructions on how to fill out the forms...plus some plackards that you will need.
For your specific question...the EAA answer is..."TIP! Leave blank unless you have reserved an N number that you want to apply to the aircraft."