4P · Regional Sky
IATA code 4P designates the airline Regional Sky (🇺🇸 United States).
Airline · UNITED STATES
4PRegional Sky
- ICAO code
- —
- Callsign
- —
- Status
- 🟢 Active
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All airlines with code 4P
IATA reassigns the codes of defunct airlines, and some subsidiaries share their parent company’s code.
| Airline | ICAO code | Callsign | Country | Status |
|---|---|---|---|---|
| Regional Sky | — | — | 🇺🇸 United States | Active |
| Air Polonia | APN | AIR POLONIA | 🇵🇱 Poland | Ceased |
| Business Aviation | ABB | AFRICAN BUSINESS | 🇨🇩 Congo - Kinshasa | Ceased |
| Viking Airlines | VIK | SWEDJET | 🇸🇪 Sweden | Ceased |
| Southern Star Airlines | — | — | 🇸🇸 South Sudan | Ceased |
Source: Wikidata. Airline data changes often and is refreshed regularly.