Northwestern PORTERFIELD 35-70

Fixed Wing Single Engine · Produced 1935–1950

Total registered

Active

Top state (1)

84 yrs

Avg age for Make

Browse by Year of Manufacture

2 production years · select a year to see all registered aircraft

1950 1 1935 1 Unknown 1

Where Are They Registered?

Top states for active Northwestern PORTERFIELD 35-70 registrations

State	Aircraft	Share	vs National Avg
California	1	33.3%	4×	Browse →
New York	1	33.3%	15.5×	Browse →
Texas	1	33.3%	3.5×	Browse →

"vs National Avg" — how much more (or less) concentrated this model is in each state relative to all U.S. aircraft. 2.0× means twice the national average.

Specs

Seats: 2
Engines: 1
Engine type: LEBLOND 70 SERIES
Power: 70 hp
Cruise speed: 76 mph

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About the PORTERFIELD 35-70

3 active Northwestern PORTERFIELD 35-70 aircraft are currently registered in the United States. First produced in 1935. Average fleet age is 84 years.