PI Airline Code, Piedmont Airlines (1948-1989)
PI is the IATA airline code for Piedmont Airlines (1948-1989), based in the United States. Its ICAO code is PDT and its radio callsign is "Piedmont".
What airline is PI?
PI is the IATA airline code for Piedmont Airlines (1948-1989), based in the United States. Its ICAO code is PDT and its radio callsign is "Piedmont".
The open dataset lists 14 scheduled routes for the carrier. You will see PI as the two-character prefix on its flight numbers, for example PI123.
| IATA airline code | PI |
|---|---|
| ICAO airline code | PDT |
| Radio callsign | Piedmont |
| Country | United States |
| Scheduled routes | 14 (ranked #396) |
| Most routes at | YKS Yakutsk |
| Status | Active |
What is the airline code for Piedmont Airlines (1948-1989)?
The IATA airline code for Piedmont Airlines (1948-1989) is PI, and its ICAO code is PDT. The two-character IATA code prefixes the carrier's flight numbers, for example PI123.
IATA airline codes are two characters and can reuse letters over time, so a retired airline's code may later be assigned to another carrier. ICAO codes are three letters and are more stable, which is why flight plans use them.
Which airport does Piedmont Airlines (1948-1989) serve most?
Piedmont Airlines (1948-1989) (PI) appears on more routes at YKS, Yakutsk, than at any other airport in the open route dataset.
The airports Piedmont Airlines (1948-1989) appears at most often in that dataset, most routes first:
Routes flown by Piedmont Airlines (1948-1989)
The busiest pairs Piedmont Airlines (1948-1989) (PI) is listed as operating in the open route dataset (codeshare-only listings excluded), with distance and typical flight time:
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
What is the ICAO code for Piedmont Airlines (1948-1989)?
Piedmont Airlines (1948-1989) uses the ICAO airline code PDT and the radio callsign "Piedmont". Flight plans and air traffic control use PDT, while tickets and schedules use PI.
What is the radio callsign for Piedmont Airlines (1948-1989)?
Air traffic control refers to Piedmont Airlines (1948-1989) by the radio callsign "Piedmont".
What country is Piedmont Airlines (1948-1989) based in?
Piedmont Airlines (1948-1989) (PI) is based in the United States.
What is the abbreviation for Piedmont Airlines (1948-1989)?
The two-character IATA abbreviation for Piedmont Airlines (1948-1989) is PI, and its three-letter ICAO code is PDT.
How many routes does Piedmont Airlines (1948-1989) fly?
The open route dataset lists 14 route entries for Piedmont Airlines (1948-1989), codeshare listings included, which ranks the carrier number 396 by that count. The route table below shows only the pairs Piedmont Airlines (1948-1989) is listed as operating.