Gardaí have seized €8.4 million worth of cocaine which is believed to have been flown into an airfield in County Longford.
Two cars were also stopped and searched in the Lough Owel area of Co. Westmeath shortly after 6pm on Thursday evening.
Two males, age 54 and 40, have been arrested on suspicion of drug trafficking and are being detained at Ashbourne Garda Station, Dublin.
In the course of the operation, 120 kilogrammes of cocaine was recovered along with several communications devices.
It's understood the private plane has also been seized.
Follow-up searches were conducted at residential premises in Naas, Co Kildare and Waterford City.
Following the operation Assistant Commissioner Justin Kelly, the Head of Organised and Serious Crime said " This operation has prevented a considerable quantity of dangerous drugs from making it onto our streets and causing significant harm to our communities. An Garda Síochána is committed, under Operation Tara, to disrupting and dismantling the organised criminal networks who profit from drug trafficking and impact so negatively on our society”.
Investigations are ongoing.
