There are 3 versions of the Ace Seamaster that I know of from .40-size ARF to a .60-size ARF to a 1.20-size kit. Is yours the .40-size version?

Specs:
Wing Span: 59.5"
Wing Area: 725 sq in.
Length: 54"
Weight: 7 lbs.
Engine: .40-.46 2-Cycle
.54-.60 4-Cycle
Radio: 4 Channel