QDL

• Do you intend to ask me for a series of bearings? Or I intend to ask you for a series of bearings

  ICAO

QDL stands for “Do you intend to ask me for a series of bearings? Or I intend to ask you for a series of bearings” (ICAO usage). Got a NOTAM full of contractions? Paste it into the decoder.

Source: FAA Order JO 7340.2 Contractions. Not for operational use.