one-class

Rival All Nippon Airways Co. continues to operate 10 of the big jets on domestic routes, with one-class seating for about 550 passengers.

Boeing's 747 Loses an Ally Peter Sanders 2011

Hungry to sharpen their kitchen skills and also have fun, these home cooks and hopeful would-bes haveheighteneddemand for casual, one-class only cooking sessions.

Reason For Not Eating Out #37: Going Back to School 2009

As someone who works for one of the mentioned one-class airlines, a little insight although I am but a menial worker and not involved in strategy:

Why Is There No All-Business-Class Jet Service Within the U.S.? - Freakonomics Blog - NYTimes.com 2007

Rewards: With first purchase, 7,500 bonus miles on United Airlines; a free, one-way, 1,000-mile one-class upgrade; and a $25 United discount travel certificate.

Advanta Platinum with Rewards Card Introductory... 2006

The Empress Josephine was a one-class ship, but some cabins were classier than others.

The Cruise of a Deathtime Babson, Marian 1983

MAN WITH CHIP: I'm riding third class on a one-class train.

Slates Smith, Mark E., 1957 Mar. 5- 1981

It is in this context and against this background that, barring any unforeseen circumstances, we plan to introduce late this fall a no-reservation, one-class shuttle service between Toronto and Montreal.

Air Canada—Challenges and Outlook 1974

America has been and still very largely is a one-class country.

An Englishman Looks at the World 1906

Instructor of the Vikhliaevsky one-class rural school, Ksenofont Polupavlov:

The Created Legend Fyodor [pseud.] Sologub 1895

This change was the breaking up of the monotonous one-class society of the primitive community with its one -- agricultural -- interest, and the formation of a variegated many-class society with manifold interests, such as trade, handicraft, and politics.

The Religion of Numa And Other Essays on the Religion of Ancient Rome Jesse Benedict Carter 1894