Changes to Airport Data June 2001

Important changes were made to the way that airport data is reported, with effect from June 2001

With effect from June 2001 we made some changes to the way that data is reported.  In order to use these statistics safely, particularly if you are constructing time-series, you should be aware of the following:-

Table 12.2 Annual 2001: Prior to June 2001 data we did not collect a domestic passenger uplift/ discharge.  Consequently, prior to June all passengers are recorded between the reporting airport and the orgin/ destination of the flight on our database. 

Air Taxi operations (defined for statistical purposes as charter flights utilising aircraft of less than 15 tonnes MTWA - except for helicopter operations to oil rigs) are no longer included in most of the tables.  This has the following effect on our publications:-

1.            ANNUAL PUBLICATIONS

1.1          Air transport movement statistics are affected as follows:-

1.1.1      In order to retain the ability to produce a series of movements using the previous definition, air taxis will remain in the total of air transport movements in summary Tables 2.1, 2.3, 2.4 and in Table 3.1. 

1.1.2       In all other tables containing air transport movements air taxis have been excluded.  Our database has been amended so that all data for 2001 is presented using the new definition.  Time-series tables, other than those listed in 1.1.1 above, also present data using the revised definition.

1.1.3      This means that some air transport movement data presented in annual publications from 2001 onward will not agree with figures published in earlier editions.

1.2          Terminal passenger, freight and mail statistics are affected as follows:-

1.2.1      Traffic carried on air taxi services is excluded entirely from all tables with effect from the 2001 edition.  It is not possible to continue with a time-series using the previous definition.

1.2.2       Historic data has been adjusted so that traffic data is presented on a common basis within each publication from 2001 onward.

1.2.3      This means that some traffic data presented in annual publications from 2001 onward will not agree with figures published in earlier editions.

2.          MONTHLY PUBLICATIONS

2.1          Air transport movement statistics are affected as follows:-

2.1.1      In order to retain the ability to produce a series of movements using the previous definition, air taxis will remain in the total of air transport movements in summary Tables 2 and in Table 3.

2.1.2      In all other tables containing air transport movements air taxis have been excluded.  Our database has been amended so that all comparisons with the previous year are presented using the new definition. 

2.1.3      This means that some air transport movement data presented in monthly publications from June 2001 onward will not agree with figures published in earlier editions.

2.2          Terminal passenger, freight and mail statistics are affected as follows:-

2.2.1       Traffic carried on air taxi services is excluded entirely from all tables with effect from the June2001 edition.  It is not possible to continue with a time-series using the previous definition.

2.2.2      Historic data has been adjusted so that previous year comparisons of traffic data is  presented on a common basis within each publication from 2001 onward.

2.2.3     This means that some traffic data presented in monthly publications from June 2001 onward will not agree with figures published in earlier editions.