TboAcademy

Acclimatization

The process by which living organisms, including human beings, become accustomed to a new climate, i.e., one different from their normal environment. Tourists vary in their ability to acclimatize, according, i.a., to their age, gender, body build and ethnic origin.

Add-on

Extra, that for which an additional charge is made as, e.g.: (a) an optional item, which may but need not be bought by the customer, such as sightseeing as part of an inclusive tour (see also option); (b) an item not included in the advertised price, which must be bought by the customer, such as travel insurance specified by the tour operator.

Advance Booking Charter (ABC)

A charter that requires a minimum advance booking period, designed to protect scheduled carriers from revenue dilution

Advance Purchase Excursion (APEX)

Special return air fare offered by airlines on scheduled flights, subject to various restrictions, including minimum advance booking period and minimum/maximum stay requirement. Must be bought and paid for at the time of booking and cannot be altered or cancelled without charge. See also British National Rail Apex; Public Excursion (PEX); Seat Sale

Advance timetable

A timetable issued by a transport operator for planning purposes of passengers and the travel industry in advance of the period to which it is to apply, often in summary form; it may be changed subsequently.

Advanced Passenger Train (APT)

A highspeed train of British Railways, designed to operate on ordinary tracks using a special tilting mechanism. After several years’ experiments in the early 1980s, the train was introduced into service in 1984 but withdrawn because of technical problems in 1985. See also Bullet Train; Train à Grande Vitesse (TGV).

Affinity group fares

A highspeed train of British Railways, designed to operate on ordinary tracks using a special tilting mechanism. After several years’ experiments in the early 1980s, the train was introduced into service in 1984 but withdrawn because of technical problems in 1985. See also Bullet Train; Train à Grande Vitesse (TGV).