johnpace:
Welcome to Flyertalk.

If you are not an Elite member, then the first few rows of coach (on a plane with a FC cabin) will not appear on your seat map --- these rows are reserved for Elite (Silver, Gold, Platinum).

I believe the exit row seat does not appear either, although I could be mistaken.

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"I will not be pushed, filed, stamped, indexed, briefed, debriefed or numbered. My life is my own."