Originally Posted by
B747-437B
No maybe. The maritime boundary is irrelevant. The FIR boundary between Yemen and Somalia is very clearly denoted by ICAO and that section falls within OYSC FIR and is Yemeni airspace.
A country's airspace rarely equals an FIR. I would love to see the ICAO try to dictate to the US, China, or Russia the extent of its airspace.
Maybe use more care in your terminology when discussing FIRs versus national airspace.