Quote Originally Posted by EL Chicane
Depende pa rin sa gamit.

Tulad halimbawa kapag tinutukoy mo yung FIA Official ng Formula 1:

"A FIA Official penalized Juan Pablo Montoya for ignoring a blue flag".
isn't it pronounced as EF-AY-EY?

unless you pronounce it as FI-YA (which shouldn't be the case since it is an acronym).

Quote Originally Posted by EL Chicane
"A MMDA officer apprehended me". You pronounce this as:

"A mmmm-da officer apprehended me".
MMMM-DA?

isn't it pronounced as EM-EM-DI-EY?

so in both cases... the use of a vowel to pronounce the first syllable is required (and hence requires the use of "an").