Interstate

105

Total registered

103

Active

Models

S-1A

Most common

83 yrs

Avg fleet age

1941

Oldest active

1993

Newest active

How many Interstate aircraft are registered in the US?

Interstate is the #147 aircraft manufacturer in the FAA registry with 103 active aircraft across 7 models. The most popular model is the Interstate S-1A. Active aircraft span from 1941 to 1993.

Top Models by Active Registrations

S-1A

S-1B1

S-1A-65F

S-1A-90F

L-6

S-1B2

S-1A-85F

Top States for Interstate

California

11.7%

Alaska

9.7%

North Dakota

7.8%

Washington

6.8%

Oregon

6.8%

All Models

7 models · click any row for registered aircraft, state distribution, and fleet insights

Model ↕	Years ↕	Active ↓	Registered ↕	% of Total ↕
S-1A	1941–1942	64	66	62.1%
S-1B1	1942–1993	22	22	21.4%
S-1A-65F	1941–1942	5	5	4.9%
S-1A-90F	1941–1942	5	5	4.9%
L-6	1943–1943	3	3	2.9%
S-1B2	1974–1977	3	3	2.9%
S-1A-85F	1941–1941	1	1	1%