| Hours or funds | Either a block of hours, often from twenty five upwards, or a deposit drawn down trip by trip. | Whether unused hours or funds are refundable, and on what notice |
| The rate | A rate per hour for one category of aircraft, fixed for the life of the card. | What the rate includes. Some cover positioning, landing and handling; others add them |
| Availability | An undertaking to find you an aircraft if you call by a set deadline, commonly somewhere between twelve hours and three days ahead. | The exact deadline, and what happens if the programme cannot deliver |
| Peak days | Busy dates are surcharged, excluded from the guarantee, or both. Ski weeks, half terms and the major sporting fixtures are the usual ones. | The published list of peak days, and how many there are |
| Billing | Normally on occupied flying time, with a daily minimum and a taxi allowance added. | The daily minimum, which is what makes short hops expensive |
| Service area | A defined region within which the rate and the guarantee apply, typically Europe or a country. | What is charged for trips beyond it, which is where costs climb |
| Expiry | Hours or funds usually lapse after a period, often a year or two. | How long you really have, and whether the clock can be paused |
| Your money | The balance sits with the programme until you fly it. | Who holds it, how it is protected, and what happens if the provider fails |
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