[snip]
> i then added /dev/wd0d /NTFS NTFS rw,noauto 1 3  to /etc/fstab

Unix and so NetBSD is case sensitive. fstab(5) shows "ntfs" as the 
right value.

> when i type mount /NTFS i get the following error
> # mount /NTFS
> mount: mount_NTFS not found for /NTFS.

That may explain it - 'cause there is no mount_NTFS but mount_ntfs.

HTH

-Alex