Distance from shackle pin to stop on main halyard

I have come to realize that my main may not be going as far up as it needs to. The distance from the top stop on the halyard to the center of the shackle pin is approximately 19". What is the correct distance? The photo below is what tipped me off that my sail may not be all the way up compared to pictures of others I have seen on here. What do you think? It is an 88 with no comp tip.

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'88 Nationals Blue
Hobie Alter Signature Model
Sail #11

Hobie Mirage Classic

For an all aluminum mast, the wire guide shows 15 5/8" from the CL of the shackle pin to the near side of the locking swedge.

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Matt Miller
Former - Director of Parts and Accessory Sales
Warranty and Technical Support
Hobie Cat USA
(Retired 11/7/2022)

Thanks for the info Matt. If I am reading your post correctly, it appears that I am 3 3/8" too long in that department. May be time for a visit to the new Mariner Sails in Dallas to check out the store and purchase a new main halyard. I have replaced all the other cables, might as well get that one.

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'88 Nationals Blue
Hobie Alter Signature Model
Sail #11

Hobie Mirage Classic