Interstate

107

Total registered

107

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 #145 aircraft manufacturer in the FAA registry with 107 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-90F

S-1A-65F

L-6

S-1B2

S-1A-85F

Top States for Interstate

California

11.2%

Alaska

9.3%

North Dakota

7.5%

Washington

7.5%

Oregon

6.5%

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	66	66	61.7%
S-1B1	1942–1993	23	23	21.5%
S-1A-90F	1941–1942	6	6	5.6%
S-1A-65F	1941–1942	5	5	4.7%
L-6	1943–1943	3	3	2.8%
S-1B2	1974–1977	3	3	2.8%
S-1A-85F	1941–1941	1	1	0.9%