Orkney, Shetland and the Hebrides are all served by a single ETV based in Kirkwall at present.
A woman was taken to hospital following the first crash north of the Munlochy turn-off.
The engines were heading to a car crash when they left the B9006 near Inverness on Saturday.
Loganair has faced criticism in recent months over the punctuality and safety of its flights.
The incident happened on Creag Meagaidh on the northern side of Glen Spean on Saturday.
SS Politician foundered on sandbank near Eriskay in the Western Isles 75 years ago.
The incident happened at around 1.55pm on Friday at Crubenmore, north of Newtonmore.
The incident happened on the A836 at Bonar Bridge in the Highlands on January 29.
Loved ones of Matthew Hobden, 22, to attend ceremony in his home town of Eastbourne on Friday.
Islanders remember the wreck of the SS Politician and the legacy it has left.
Charity takes over as custodians at Dunnet Head with the aim of preserving the seabird population.
Andrew Houston was behind the wheel of an Audi A4 which collided head-on with a Jeep on the A9.
William Hollister, 61, said he feared hitmen had come for him at his caravan in the Western Isles.
The man was felling trees near Letterfinlay when the accident happened on Thursday morning.
Orkney, the Highlands and Shetland also feature at top of the Office for National Statistics poll.
Martin Macdonald worked as a presenter, reporter, producer and editor during five decades in media.
The crash happened around four miles south of the village of Glencoe at around 8.40am on Wednesday.
The aircraft was assisting in the hunt for a man who fell from the Greig Street Bridge in Inverness.
A search involving the coastguard and RNLI was launched on Sunday evening after police were alerted.
A van was also blown onto its side on the Cromarty Bridge as Storm Henry battered Scotland.