International law — Relation to municipallaw — Treaties — Treaty not incorporated in municipal legislation — Bermuda Agreement, 1946 — Status in municipal law — Circumstances in which courts will consider treaties — The law of England

Jurisdiction — In general — Territorial and personal — Territorial limits of jurisdiction — United States airline operating service to and from the United Kingdom — United Kingdom imposing new condition upon airline's operating permit — Whether condition having extraterritorial effect — The law of England

Treaties — Conclusion and operation of treaties — Operation and enforcement — Necessity for municipal legislation — Treaty not incorporated into municipal legislation — Bermuda Agreement 1946 between United Kingdom and United States — Chicago Convention 1944 — Status of these agreements in municipal law — The law of England