A man will appear in court and further arrests are expected, after a number of people allegedly entered an aircraft unlawfully at Lismore Airport last month.
About 4am (Sunday September 27), three men allegedly entered the airport precint on Bruxner Highway unauthorised, before climbing aboard a parked aircraft.
The men later left the scene without further incident.
Aviation authorities detected the break-in and contact police on Monday morning (September 28).
No damage was caused to the aircraft.
Officers attached to Richmond Local Area Command were called and a crime scene was established.
Around 3pm on Wednesday (October 7), a 19-year-old man attended Lismore Police Station, where he was arrested.
He has been charged with interference with an aircraft and enter and remain within a prohibited area of an aerodrome, and granted conditional bail, to appear at Lismore Local Court on November 23.
Further arrests are expected and police continue to investigate the incident.
Police say the incident is not believed to be terror-related.
Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page: https://nsw.crimestoppers.com.