[1] Integrated Access System

[2] Immediate Access Storage

[3] Indicated Air Speed {Luftfahrt}

[4] Industry Appliations Society

[5] Institute of Advanced Studies (US Army)

[6] Institute of Aerospace Sciences (now AIAA) (->"IEEE Standard Dictionary")

[7] Institute for Automated Systems, Moscow (->"The Matrix")

[8] Information Access Service - unter IrDA1.1 Dienst zur Informationsabfrage "angeschlossener" Geräte mittels Infrarotschnittstelle

[9] Integrated Avionics System (->"NASA Acronym List")

[10] Institut d'Astrophysique Spatiale, Orsay (F) (->"NASA NGST Acronym List")

[11] Iasi, Romania - internationale Fughafen-Kennung