A330
Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP)
Aircraft Equipment Problem Less Severe; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Flight Crew Diverted; Flight Crew Landed in Emergency Condition; Flight Crew Returned To Departure Airport
Aircraft
During climb out; we smelled a dirty sock smell. Donned oxygen mask [advised ATC] and decided to return to [departure airport].
Odor/fume of a dirty sock noticed by Captain and First Officer on initial climb out. Oxygen donned by pilots. [Advised ATC] with ZZZ Departure and returned for a landing
A330 flight crew reported returning to their departure airport because of fumes detected on the flight deck.