Unknown Year Interstate S-1B1

9 aircraft with no manufacture year in FAA records

Active

100%

Active rate

States

N-Number ↕	Serial # ↕	Owner ↕	Location ↕	Status ↕	Cert Date ↕	Expires ↕
N2778Q	91	BERESFORD DAVID M	HUNTLEY, IL	Active	2007-03-13	2029-10-31
N43LG	156	NOBLE MITCHELL S	CARLETON, MI	Active	2019-03-12	2029-03-31
N46243	162	GORACKE TERRY R	JUNCTION CITY, OR	Active	2019-03-27	2029-03-31
N47513	181	SULLIVAN RONALD E	STERLING, AK	Active	2013-07-02	2029-07-31
N49105	203	CARLYLE PROPERTIES LLC	COLUMBIA FALLS, MT	Active	2024-01-17	2031-01-31
N49208	214	GRAF EUGENE	BOZEMAN, MT	Active	2026-08-27	2033-08-31
N52413	206	BECK WHITNEY S	WAHPETON, ND	Active	2010-01-12	2029-05-31
N537KT	48	EVERS JEFFREY D	DEER PARK, WA	Active	2026-07-22	2033-07-31
N6513C	43-2653	ZORN TONY P	LYONS, GA	Active	2024-05-07	2031-05-31

Showing 9 of 9 aircraft · All S-1B1 years →

Specs

Seats: 2
Engines: 1
Engine type: LYCOMING 0-320 SERIES
Power: 180 hp
Cruise speed: 87 mph

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About the Unknown Year Interstate S-1B1

There are 9 registered Unknown Year Interstate S-1B1 and 23 Interstate S-1B1 across all years in the United States. First produced in 1942. Average fleet age is 80 years.