
Portable Object Adapter


Provisional Operating Authorization


Pilot Operated Absolute


Plan of Action


Program Office Approvals


Pacific Ocean Areas


pancreatic oncofetal antigen


Place of acceptance


Portable Object Adaptor


primary optic atrophy


Privately Owned Aircraft

IATA code for Salgado Filho Internatio…

Partial Order Alignment

Pay on Arrival

Payload ORU Accommodation

Payment On Account

Peierls-Onsager approxn.

Pennsylvania Optometric Association

Petroleum Operating Agreement

phenoxyacetic acid

Piedmont Oncology Association

plain old ACARS

Plan Of Attack

Plant operating authority

Point of Acquisition

Point of Action

Point Of Arrival

Point of Attachment

Port Outboard Aft

Portuguese Army