With its transcontinental route established, Northwest wanted an airplane that was fast but also had low operating costs to cover the vast, low-population space between the Twin Cities and Spokane. Lockheed’s model 9D “Orion” checked off the boxes: 200 mile-per-hour speed, light weight, and a single-pilot cockpit, with accommodation for five passengers. NWA picked up three examples (the final three to come off the production line for an airline customer.)
The Orion was the first airliner to use retractable landing gear – which was fully manual, so Pilots would have to repeatedly pump a lever on the right side of their flight controls to raise or lower the wheels. The aircraft also featured then-new split wing flaps which were very effective at lowering landing speeds.
Northwest ran its little fleet of three Orions only from 1931 to 1935. Their all-wood construction was not designed for longevity and would have to be replaced; passenger and freight traffic was beginning to build as the Northland’s economy slowly recovered from the bottom of the Great Depression, and most importantly the Civil Aviation Administration decreed that major passenger airlines would have to use multi-engine transports from 1935 onward.
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Even by August 1934, the Official Airline Guide schedules showed Northwest’s new twin-engine metal Electra 10s coming on stream, with the Orions covering just one eastbound and one westbound daily service between the Twin Cities and Washington state. Flight 1 left St. Paul at 7:45 am, pulling into Felts Field, Spokane at 5 pm and Boeing Field, Seattle at 7:35 pm. Flight 2 left Seattle at 4:30 am, Spokane at 6:35 am, and made it to St. Paul by 7:30 pm. The aircraft would pass each other between Billings and Miles City, Montana.