I work in the aviation sector, and I can tell you that for all intents and purposes Russian aviation has - at best - about three weeks before it’s show over.

One aspect is the fact that airspace available to Russian aircraft is very, very limited now. However, there is more: Very few aircraft are actually owned by airlines, and instead most are owned by lessor companies, most of which are Irish. Under the sanctions regime, the view in the legal community is that those leases have to be terminated, otherwise Irish companies will be criminally liable.