A dangerous frozen river landing leaves Jim and Ferno skating on thin ice, while Ariel's flying lessons end in disaster. The biggest snowstorm of the season hits, shutting down all of Western Alaska and leaving several Era pilots up in the air.

Halloween in Alaska brings vicious crosswinds that wreak havoc on Era's small planes. Ariel hopes to learn the family business in Unk, but a power blackout tests her abilities when she takes over as station manager.

The approaching winter darkness fuels a mass exodus from Unalakleet. In Barrow, a bootlegger attempts to smuggle in illegal liquor and Luke races to complete a daring rescue before the sun sets for two months straight.

John Ponts fights heavy turbulence and angry passengers on a flight through the Nulato Hills. Jim and Ferno leave the terminal in the hands of the pilots & Sarah's flight to rescue a villager lost in a storm turns into a battle for her own survival.

Two pilots push their limits to land vital vaccines two miles from Russia on Alaska's most treacherous runway. In Unalakleet, Ariel Tweto takes to the skies once again and proves that she still has a lot to learn.

Two pilots attempt to deliver a specialty drill through a sea of fog. Luke brings the first ever ATM to Wainwright, along with a planeload of cash. Erik races to deliver passengers and critical supplies before a spring storm shuts him down.

After two months of darkness, the villages of Western Alaska are desperate for fresh supplies. Jim attempts a risky landing on a frozen river and Luke has problems getting his plane in the air. A pilot flies to the Russian border to deliver vaccines.

The Iditarod dog sled race brings big business to Era Alaska. Ferno, Ayla and Ariel Tweto run with the reindeer in Anchorage. A pilot battles malfunctioning trim control over the frozen Norton Sound and a tsunami warning threatens the entire coast.

A late winter storm threatens to shut down Era Alaska's operations. Ben encounters dangerous icing conditions on his way to St. Michael. Lead pilot, Erik, resorts to drastic measures to get desperately needed medicine to a snowed in village.

A group of world-renowned rock climbers arrive in Unk & Jim must fly them deep into the remote Brooks Range. Luke flies a Barrow whaling crew over the sea ice in search of a site to hunt the Bowhead whale so that they can feed their hungry community.

Jim searches for a group of missing mountain climbers lost somewhere in Alaska's Brooks Range. Up in Barrow, Luke races to transport a village elder to the hospital and a pilot attempts to set a world speed record to the North Pole.

Era Alaska provides aid to a village devastated by heavy flooding. Two pilots get lost in a sea of fog off the Russian coast while trying to deliver desperately needed ammunition. In Anchorage, Jim’s prized Cessna 180 goes up in smoke.

Ponts’ old skate crew arrives to build a skate park for local kids on Unk’s newly paved roads. Ariel takes to the skies in a new plane with dangerous results and lead Pilot Erik Snuggerud battles heavy turbulence with a very special delivery.

Pilots John Dronenberg & Justin Essian try to fly 1600lbs of volatile propane to a secluded fishing lodge. Luke Hickerson battles failing equipment over the remote tundra and Ponts challenges Ariel to make the perfect landing.

Sarah Fraher has her first flight in a 208 and faces a new set of dangers. Ariel hunts for seagull eggs 50 feet off the ground and Erik Snuggerud fights to keep his plane in the sky over one of Alaska’s most notorious runways.

Wildfires rage across the state and Era Alaska must ferry fire crews to combat the blazes. Ponts has to navigate the deadly Merrill pass on his first training flight and Ariel braves the treacherous Alaskan skies on her own for the very first time.