IATA Code PD

Does anyone know which Canadian carrier is currently using code PD in its flight numbers? Extant lists for ACARS show Pem Air Canada, but they have not operated in a number of years.

Today I saw PD0412 over Ontario Province via ACARS, and yesterday I saw a couple of others, so the code is being used by somebody. Aircraft registrations (tail numbers) are Canadian.

If you know the tail number, look it up on the Canadian Register:
tc.gc.ca/aviation/activepage … search.asp

Thanks for the link! I will try it out next time one of those flights pops up on ACARS.

IATA code PD: Porter Airlines
ICAO code POE: Porter Airlines.