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Category: USOAP
Last updated: 22 september, 2010
Records: 146
Datafields: 11

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View the list of all protocol questions used as the main tool during the conduct of USOAP CSA audits for the assessment of the State's safety oversight capabilityProtocol Questions
View the list of all protocol questions used as the main tool during the conduct of USOAP CSA audits for the assessment of the State's safety oversight capabilityRepresentative Protocol Questions
View the Lack of Effective Implementation (LEI) for each State evaluated by USOAP and LEI by area. (RESTRICTED)LEI by Area
Dynamic version of the LEI by State barchartLEI by State (dynamic)

 ‭(Hidden)‬ View charts using this data
Dynamic version of the LEI by State barchartLEI by State (dynamic)
Chart showing each region's Accident rate, with respect to LEI by ICAOAccident rates versus LEI by ICAO Region
View this scatter plot which shows the integrated lack of effective implementation (I-LEI) by state, against traffic volume in 2009.LEI vs Traffic

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Implementation Indicators

Lack of Effective Implementation
(LEI) by State

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Description

This list displays the results of all States audited under the USOAP CSA. Only States for which the audit report was finalized by the time of the update are included. The lack of effective implementation (LEI) is the indicator used to measure State audit results.

The lack of effective implementation is a measure of the State's safety oversight capability and is shown for each critical element (CE). The LEI for each CE is calculated by taking the percentage of the total number of not satisfactory PQs over the total number of applicable PQs (linked to the CE). The overall LEI is the average of the 8 LEIs for each CE and is the one published in the audit reports. Minor differences (first decimals only) may exist between the below overall LEI and the one published in the respective audit reports due to rounding issues.

Due to CE weighting issues introduced by the formula for the overall LEI, an integrated LEI (I-LEI) is also provided. The I-LEI is calculated by taking the percentage of the audit's total number of not satisfactory PQs over the audit's total number of applicable PQs (not linked to CEs). The I-LEI is primarily used in iSTARS for benchmarking purposes.

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