Haw. Rev. Stat. § 88-335: Ordinary disability retirement allowance.

(a) Upon retirement for ordinary disability, a class H member who became a member before July 1, 2012, shall receive a maximum retirement allowance equal to the higher of either:

(1) Two per cent of the average final compensation multiplied by the number of years of class H credited service unreduced for age, plus one and one-fourth per cent of the member's average final compensation multiplied by the number of years of class C credited service unreduced for age; or

(2) Twenty-five per cent of the member's average final compensation.

(b) Upon retirement for ordinary disability, a class H member who becomes a member after June 30, 2012, shall receive a maximum retirement allowance equal to the higher of either:

(1) One and three-fourths per cent of the average final compensation multiplied by the number of years of class H credited service unreduced for age, plus one and one-fourth per cent of the member's average final compensation multiplied by the number of years of class C credited service unreduced for age; or

(2) Twenty-five per cent of the member's average final compensation.