7030_cons_en - Regional Supplementary Procedures.pdf

Chapter 7.SAFETY MONITORING7.1 STRATEGIC LATERAL OFFSET PROCEDURES (SLOP)Nil.7.2 AIRSPACE MONITORING7.2.1 GeneralNil.7.2.2 RNAV7.2.2.1 The following criteria are to be used in the operational assessment of airspace system safety on routes orin areas where 93 km (50 NM) lateral separation is applied:a) the proportion of the total flight time spent by aircraft 46 km (25 NM) or more off the cleared track shallbe less than 7.0 × 10 -4 ; andb) the proportion of the total flight time spent by aircraft between 74 and 110 km (40 and 60 NM) off thecleared track shall be less than 4.1 × 10 -5 .7.2.3 RNP7.2.3.1 Prior to implementation of 55.5 km (30 NM) lateral separation, States shall undertake a system verificationof sufficient duration and integrity to demonstrate that the maximum acceptable rate of lateral deviations greater than orequal to 27.8 km (15 NM) will not exceed those rates listed in Table B-1 in Annex 11, Attachment B. The verificationshould be conducted after the minimum navigation, communication and surveillance requirements listed in Chapter 4have been met.7.2.3.2 Following implementation of 55.5 km (30 NM) lateral separation, a monitoring programme shall beestablished to periodically verify that the system’s actual rate of lateral deviations greater than or equal to 27.8 km(15 NM) does not exceed the maximum prescribed in Table B-1 in Annex 11, Attachment B.7.2.4 RVSM7.2.4.1 The following criteria shall be used in the operational assessment of airspace system safety: the totalvertical error (TVE), which is the difference between the geometric height of the aircraft and the geometric height of theflight level to which it is assigned, is required to be such that:a) the probability that TVE equal to or greater than 91 m (300 ft) in magnitude is equal to or less than2 × 10 -3 ;PAC 7-1 30/11/07