The aircraft used to deliver mail to and from the Island will stop operating on October 16.
The Isle of Man Post Office says the change will not affect the vast majority of local customers.
Next-day priority mail will still be transported by air, with all other mail items to travel by ferry and road.
A new interim price guide is also set to be released, detailing fees and some price reductions in line with the changes.
Should Island tax breaks apply to more than wealthiest?
Should the Island do more to encourage all people to move here, and not just the highest earners?
Distillery takes double gold with whiskey
A Ramsey distillery is celebrating after a double-gold victory in the World Whiskies Awards.
Slight rise in inflation during January
Latest figures from the government shows inflation stood at 2.5 per cent at the end of January.
Government figures show sharp fall in egaming income
A new government report shows a steep drop in income from the Island's egaming industry.
Hospitality industry celebrates minimum wage rise U-turn
A new board for the Island's hospitality industry has welcomed a government U-turn on the minimum wage.
New shopfront for Costa?
A coffee shop in the Island's capital could be getting a facelift - if planners approve.
Could WHSmith on Strand Street be sold off?
A shop in Douglas city centre could be sold off after a UK chain announced it was looking for a buyer for 500 of its stores.
Manx film company cleared of charges by US Securities and Exchange Commission
A Manx-based film company says the US Securities and Exchange Commission has cleared it of any wrongdoing after an investigation.
