I think it changed a few years ago as my 84 Ventus
is Racing and exihibition limited to the 48 continental
US states and no program letter, very liberal compared
to the later ones that I have seen.

At 14:00 08 March 2006, Andy wrote:
Kirk,

The requirement for me to submit an annual program
letter is specified
in para 35 of my Operating Limitations.

Andy