The USAir Force is to fit its 65 Bell UH-1Ns with Vickers oil debris detect systems (ODDS). The US Army has retrofitted its UH-1s and AH-1s; Australia, Canada and New Zealand have equipped their UH-1s; the Greek army is retrofitting its UH-1Hs and AB205s; and the Greek air force, South Korea, Taiwan and Thailand are testing the system.
Source: Flight International