[1] Magnetic Anomaly Detector (->"IEEE Standard Dictionary")

[2] Maintenance Assembly-Disassembly (->"IEEE Standard Dictionary")

[3] Michigan Algorithmic Decoder (->"IEEE Standard Dictionary")

[4] Multiaperture Device (->"IEEE Standard Dictionary")

[5] Multiple Access Device (->"IEEE Standard Dictionary")

[6] Maintenance Analysis Data (->"NASA Acronym List")

[7] Madrid, Spain - internationale Fughafen-Kennung