| ICAO 3-Letter Designator: |
MRO |
|---|---|
| Call Sign: (Telephony) |
MORRISON |
| Aircraft Company: | MORRISON FLYING SERVICE, INC. (HELENA, MT) |
| Country of Origin: |
UNITED STATES
|
| Previous Call Sign: | MRN - MARIANNE |
| Next Call Sign: | MRP - ABAS |