Edited sentence: Given New Zealand's wet climate there seems little doubt the A4Ks will deteriorate with ACT New Zealand MP, Heather Roy tabling photographic evidence in February 2008 of the latex blistering due to water penetration.With the 'sale' now almost permanently stalled and the Labour Government seemingly in an idealogical corner about the Aermacchi trainers, there is growing speculation an incoming National-led Government may cancel the 'sale,' scrap the A4Ks and resurrect the Aermacchi MB-339 fleet as an advanced trainer and to work up with the army and navy on close air cooperation