| ICAO 3-Letter Designator: |
SPA |
|---|---|
| Call Sign: (Telephony) |
SIERRA PACIFIC |
| Aircraft Company: | SIERRA PACIFIC AIRLINES, INC. (TUCSON, AZ) |
| Country of Origin: |
UNITED STATES
|
| Previous Call Sign: | SOY - SORIANO |
| Next Call Sign: | SPB - SPRING CLASSIC |