Prosecutors said that a driver charged with intentional homicide on the truck was found to be part of the "global ring" smugglers, 39 of whom died in trucks.
Maurice Robinson from Craigavon was remanded in the Chelmsford Magistrates Court. On Wednesday, 39 bodies were found in truck trailers in an industrial area in Grace, Essex.
Prime Minister Boris Johnson said in his condolences that the world has been “shocked by this tragedy.”.
Mr. Robinson of Laurel Drive made a video link and was accused of manslaughter, conspiracy to commit traffic crimes, and conspiracy to commit illegal immigration and money laundering.
Prosecutor Ogheneruona Iguyovwe described the conspiracy allegations as “the global ring” involving “a large number of illegal immigrants entering the UK”.
Mr. Robinson was not asked to petition and will appear in Old Bailey on November 25.
Meanwhile, Vietnam is conducting DNA testing to help identify victims.