Delivered to the US Army as TH-13T 67-15932. To the San Diego County Sheriff as N99631 in 1984. Sold as XB-IMR in 2003 then TI-BHA in 2016. Crashed while crop spraying at Guapiles, Costa Rica in 2017.

Registered as N50218 in 1981. Destroyed in an accident at La Jolla, CA in 1993. Rebuilt and registered as N369LR by 2019. Current on the register in 2025.

Built in 2007 for the San Diego Country Sheriff's Dept where it remained active until 2022. In that year, it was sold to Capitol Helicopters, but it retained this colourscheme.

Arriving before the gates opened at the 2006 Miramar show

Built in 1975, first registration N59607. It went to Canada in April 1978 and flew as C-GAHM with various canadian operators, such as Alpine Helicopters, Eagle Copters and Great Slave Helicopters. It is reported to have been converted to Bell 205A-1++ just before joining the San Diego County Sheriff's Department in September of 2015.

To fullfill its duties, the San Diego County Sheriff Department operates a nice mix of helicopters of different sizes. Besides this MD500, it also operates Bell 407 and Bell 205 helicopters.