Jet card programmes are sold on lifestyle photography and explained in footnotes. This is the explanation without the footnotes.

The deposit

A Jet Club membership starts with a deposit that funds flight hours at a fixed hourly rate by cabin class. Hours are drawn down as you fly. Because the rate is fixed at the point of joining, a busy season does not reprice the flying you have already paid for.

Guaranteed availability

Availability is the part that separates programmes. A guarantee is only meaningful if it is backed by aircraft the operator controls — which is why fleet ownership and a single operating certificate matter to a membership conversation that appears to be purely commercial.

When your cabin class is out

• If the requested class is unavailable, the next class up is offered at the lower class’s rate in the circumstances the membership agreement specifies.
• Peak-day rules and call-out windows are set out in the agreement rather than decided case by case.
• Unused hours behave according to the term you sign — read that clause; it is the one that varies most across the industry.

Who it suits

Broadly: enough flying that charter quoting becomes a chore, not enough to justify an aircraft. Beyond that, fractional ownership starts to make better arithmetic.

Programme specifics, current cabin classes and the membership agreement are on the Jet Club page. Figures and terms there govern — this article is an orientation, not a quote.