Pécs-Pogány Airport (Hungarian: "Pécs-Pogány repülőtér" ) or "Pécs South Airport" (IATA: PEV, ICAO: LHPP) is a small commercial airport serving Pécs, a city in Baranya County in Hungary. Several aviation database sources incorrectly cite the IATA code for Pécs-Pogány as QPJ, however the IATA website lists it as PEV.
Can we infer the following?
Several aviation databases source the wrong IATA code and they don't intend on fixing it
It's impossible to say