Haw. Rev. Stat. § 88-161: Dismissal after twenty years' service; pensions.

Any member of the police force, fire department or band who is dismissed therefrom for any cause other than for being convicted of a felony, after the member shall have been in actual service for twenty years or more, shall receive from the pension system a monthly payment equal to forty per cent of the average monthly compensation for the ten years of service immediately preceding the member's dismissal.