FAA Airfield Pavement ACR-PCR Calculator
Airport Engineering & Airfield Pavements: Compute the ICAO/FAA Aircraft Classification Rating ($ACR$), Pavement Classification Rating ($PCR$), and aircraft overload margins.
Aircraft Gear & Operating Weight
Runway / Taxiway Pavement Code
ACR Rating & Operational Clearance
Aircraft Classification (ACR)
--
ACR Code: --/--/--
Operation Clearance Status
Unrestricted Operations
Overload Ratio: -- %
Published Runway PCR
--
Margin: --
Maximum Allowable Takeoff Weight
-- lbs
-- metric tons
ICAO / FAA Standard Definitions:
• ACR-PCR replaced legacy ACN-PCN globally in November 2024 (ICAO Annex 14)
• Standard subgrade elastic modulus: Category B = 120 MPa (Rigid) / 100 MPa (Flexible)
• Operations with $\text{ACR} \le \text{PCR}$ proceed with zero structural degradation penalty.
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