Carl Orton wrote:
If one wanted to reserve a unique N-number while they were building a
plane, how long can you keep renewing the reservation (understanding
you'd have to pay a fee each time)?

I thought it was for only a year or so, but faa.gov makes it sound
like you can renew at least once, but didn't see an upper limit on
the number of times.

Anyone know for sure?

Thanks;
Carl

There isn't a limit as long as you renew and pay the $10 each year. I first
renewed mine in Oct 2002.