| Acronym | Meaning |
 | LAO | Laos (ISO 3166 Trigram) |
| IBA | Important Bird Area |
| OPINTEL | Operational Intelligence |
| FI | Finland (ISO 3166 Digram; FIPS 10-4 Country Code) |
| MES | Marconi Electronic Systems - Medium Edison Screw |
| ASIC | Aviation Security Identification Card |
| ATWA | Air |
| CAI | Computer Assisted Instruction |
| PNH | Paroxysmal Nocturnal Hemoglobinuria - Police Nationale D'Ha?ti (French |
| FHI | Family Health International |
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