The Interstate Cadet is an American two-seat tandem, high wing, single-engine monoplane light aircraft. Around 320 of these aircraft were produced between the years 1941 and 1942 by the Interstate Aircraft and Engineering Corporation based in El Segundo, California.

The Interstate Co. entered the aviation industry in 1940 with the S-1B "Cadet," a tandem seat liaison airplane. When the United States entered World War II, the U.S. Army Air Forces contracted with Interstate for 250 S-1B aircraft, designating the prototype as the XO-63.

Distinguishing features of the L-6 include: enlarged cabin with “greenhouse” windows, balanced horizontal stabilizer with elevator horn, cabin door swings up (on the L-8/Cadet it swings forward). For more info on the L-6/L-8 check out this warbirdsnews.com article by Matthew McDaniel.

Dec 7, 2022 · As such, the O-63 became known as the L-6, making Interstate’s ‘Grasshopper’ the last WWII-era type to hold both O and L designations. The USAAF took delivery of 250 L-6’s. Like the Cadet before it, the L-6 was built more ruggedly than its primary competitors, the L …

Jun 1, 1980 · The Interstate “Cadet” was re-designed, a counter-balanced rudder, flaps, an expanded cockpit with the greenhouse slanting outward so the pilot and observer could see directly below as well as directly above them.

The Interstate Cadet was an American two-seat tandem, high wing, single-engine monoplane light aircraft. The S1B-1 is a variant with a different engine than the base model with greater horsepower. The designation L-6 was used only for military purposes.

I have old service bulletins and parts price lists on the SIA Cadet, SIB Cadet and Army L-6 Airplane dated 1941 - 1943 from Interstate Aircraft & Engineering Corporation, El Segundo, California. Numerous Service Bulletins including diagrams and notes.

Find 1943 INTERSTATE S 1B1 with serial number on Aircraft.com. View photos, ownership, registration history, and more. Aircraft.com is the leading registry for planes, jets, and helicopters.

He modified it with a C-90 Continental Engine. He called it the Callair S1-A Cadet. Only one of these is still registered with the FAA and is owned by Mr. Burton Osteen of Black Mountain, NC. The N number is N2922V. It is truly a "rare bird." A wonderful airplane, it is still flying today.

The Interstate O-63/ L-6 Grasshopper was a potentially promising light liaison aircraft that failed to live up to expectations, and was produced in significantly smaller numbers than the similar Taylorcraft L-2, Aeronca L-3 or Piper L-4.