Pavement Strength

Pavement Strength Analysis

Know instantly whether your aircraft can safely operate on a given pavement. ACR/PCR & ACN/PCN — one tool, one answer.

Free to download · Core features available for testing

Aircraft landing gear on airport pavement

Everything for pavement analysis

Instant, reliable pavement strength assessment — ACR/PCR and ACN/PCN in one tool.

ACR/PCR + ACN/PCN

Both modern and legacy pavement classification systems in one tool

250+ Aircraft

Comprehensive database — Boeing, Airbus, Embraer, Bombardier, and more

ICAO Overweight Reference

Displays the ICAO overweight reference value alongside the standard maximum weight. Overweight operation remains subject to airport/operator approval, pavement condition, frequency of operation, and applicable regulation.

Exportable Reports

Generate shareable calculation reports with full aircraft and pavement details

See it in action

ACR/PCR Calculator — Main input screen
Calculator
ACR/PCR Results — Maximum weight limitation
Results
Aircraft catalog — Browse 250+ aircraft
Aircraft Database

Build Valid PCR and PCN Codes — Instantly

Creating valid PCR and PCN codes manually is slow and error-prone — especially under operational pressure.

The Composer is a purpose-built input system that only allows valid entries at each step — ensuring correct codes in seconds.

  • Context-aware input — only valid options available
  • Supports both PCR and legacy PCN formats
  • Prevents input errors before they occur
PCR/PCN Composer — custom keyboard for pavement codes

Sample output

A real calculation result — from aircraft selection to operational decision.

Calculation Report
Aircraft A320-200 (WV007)
System PCR
Pavement Code 450/F/D/X/T
Max Weight (standard) 75,021 kg
Max Weight (10% overwt) 77,400 kg
Status ACCEPTED
ACN/PCN legacy calculator mode
ACN/PCN Calculation Report

Full ACN/PCN support

Many airports still report pavement strength using the legacy PCN system — switch between ACR/PCR and ACN/PCN with a single tap.

  • All pavement types (Rigid & Flexible)
  • Subgrade categories A through D
  • All tire pressure categories
  • ICAO overweight reference values
  • Exportable calculation reports

Designed for aviation professionals

Pilots

Verify aircraft pavement compatibility during flight preparation at any airport.

Dispatchers

Integrate weight limit checks into flight planning workflows — via app or REST API.

Flight Operations Engineers

Perform airport suitability and pavement compatibility checks with confidence. Access ACR/PCR and ACN/PCN data using one practical tool.

Airport Planners

Evaluate runway strength requirements against traffic mix. PCR vs. ACR analysis on demand.

Three steps to your weight limit

1

Select Aircraft

Choose from 250+ ICAO aircraft types — Boeing, Airbus, Embraer, and more. All data verified against official publications.

2

Enter PCR or PCN Code

Compose the pavement classification rating/number from NOTAM or AIP. Supports flexible/rigid pavements, all subgrades, and tire pressure categories.

3

Get Results

Maximum allowable weight, ICAO overweight reference value, and the minimum ACR or ACN for any given weight.

Integrate via REST API

In development & testing Company access only

Building a dispatch platform, EFB integration, or flight-ops system? Add ICAO-compliant aircraft-pavement weight limits directly into your workflow via a lightweight REST API. Two endpoints cover everything: aircraft lookup and weight-limit computation. Authentication is API-key based.

Contact us to receive API credentials and full documentation. JSON in, JSON out.

The API is currently under development and operational testing, with company access planned for the near future. API access is available for companies and organizations only, not individual accounts.

POST /api/v1/weight-limit
GET /api/v1/aircraft
Request API Access →
request.sh
# Calculate weight limit for PCR 900
curl -X POST https://acrpcr-api.onrender.com/api/v1/weight-limit \
  -H "Content-Type: application/json" \
  -d '{
    "aircraft_iapid": "BOEING-747-8I",
    "calc_type": "PCR",
    "pcx": {
      "value": 900,
      "pavement_type": "F",
      "subgrade_category": "D",
      "tire_pressure": "W",
      "evaluation_method": "T"
    }
  }'

ACR/PCR app supports calculation and cross-checking. Operational use remains subject to applicable aircraft operator procedures, AIP/NOTAM/chart notes, airport/operator approval, and regulatory requirements.

✓ ICAO Annex 14 ✓ FAA ICAO-ACR Program ✓ Engineering-grade precision

Ready to simplify pavement analysis?

Download the ACR/PCR Calculator and get instant aircraft-pavement compatibility answers.

Free to download · Core features available for testing