TimerGameCalendar::Yearbuild_year;///< Year the vehicle has been built.
TimerGameCalendar::Yearbuild_year;///< Year the vehicle has been built.
TimerGameCalendar::Dateage;///< Age in days
TimerGameCalendar::Dateage;///< Age in calendar days.
TimerGameEconomy::Dateeconomy_age;///< Age in economy days.
TimerGameCalendar::Datemax_age;///< Maximum age
TimerGameCalendar::Datemax_age;///< Maximum age
TimerGameEconomy::Datedate_of_last_service;///< Last economy date the vehicle had a service at a depot.
TimerGameEconomy::Datedate_of_last_service;///< Last economy date the vehicle had a service at a depot.
TimerGameCalendar::Datedate_of_last_service_newgrf;///< Last calendar date the vehicle had a service at a depot, unchanged by the date cheat to protect against unsafe NewGRF behavior.
TimerGameCalendar::Datedate_of_last_service_newgrf;///< Last calendar date the vehicle had a service at a depot, unchanged by the date cheat to protect against unsafe NewGRF behavior.