The man, who has name suppression, is charged with murder and with wounding Peter Lochhead while leaving the alleged aggravated robbery.
He has been remanded in custody without plea until October 11.
Yesterday police arrested a second man at a Hornby car park.
The 39-year-old is jointly charged with the murder of Tony Lochhead and the aggravated wounding of his brother.
He made a brief appearance at Christchurch District Court today before Judge Alistair Garland.
Defence counsel Richard Maze made no bail application but made a successful bid for interim name suppression.
He was remanded in custody without plea to appear in the High Court in Christchurch on October 4.
Detective Inspector David Long said police are not seeking anyone else in relation to the murder investigation.
However, others who may have helped the two alleged offenders after the incident, could yet be charged, he said.