ACN/PCN is replaced by ACR/PCR
Beginning November 28, 2024, the pavement bearing strength of an aircraft operating area must be reported in the AIP based on a PCR value.
The ACN/PCN calculation model is replaced by an ACR-PCR calculation model.
This is based on the respective ICAO and EASA regulations:
The new ACR-PCR method is based on LEA “Layered Elastic Analysis”. This was already provided for in the ICAO ADM Part 3 of 1983 and was updated with the 3rd edition in 2022. Today’s IT technologies make the consistent application possible.
ACR/PCR is already implemented in FAARFIELD
The ACR-PCR process is directly linked to the design of the structure of the airfield pavement.
The calculation is more detailed and allows a more sustainable development of the pavement design through material optimization.
The ACR-PCR procedure in itself has no disadvantages compared to previous methodology, on the contrary.
However, there is no correlation between the previous PCN value and the future PCR value, so that a “simple” conversion is not possible.
The implementation of the new procedure is mandatory for ALL airports and aerodromes within the sphere of influence of EASA and ICAO.
We offer competent support in the implementation of the new requirement.
Please contact our colleague Mr. Günther Dziddek at +49 711 351452-31 or send him an email to guenther.dziddek@airport-consult.com.
