that is a MD500E and not D.
Not according to the FAA database its not.
N-number : N28MP
Aircraft Serial Number : 970191D
Aircraft Manufacturer : HUGHES
Model : 369D
Aircraft Year :
Owner Name : BRIM EQUIPMENT LEASING INC
Owner Address : 534 CROWSON RD
ASHLAND, OR, 97520-9548
Type of Owner : Corporation
Registration Date : 08-Dec-2005
Airworthiness Certificate Type : Standard
Approved Operations : Normal