Instrument Approach Procedures 
Information Analysis Products 
Integrated Avionics Processing System 
Ion Auxiliary Propulsion System 
International Auditing Practice Statem… 
Identification, Assessment and Program… 
Illawarra Adventist Primary School 
Immediate Action Plans 
Impact Aid Payment System 
Incident Action Plans 
Incorporated Association of Preparator… 
Independent Association of Prep School… 
inhibitor of apoptosis proteins 
inhibitors of apoptosis 
inhibitors of apoptosis proteins 
inhibitory of apoptosis proteins 
Installation Action Plans 
Institute of Asia-Pacific Studies 
Integrated Accounts Payable System 
International Affective Picture system 
International Association for People-e… 
International Association for the Phil… 
International Association for the Prop… 
International Association of Pastel So… 
International Association of Patristic… 
International Association of Physics S… 
International Audit Practice Statement 
intracarotid amobarbital procedures 
Intracellular action potentials 
intracisternal A particles