# Pavement Concession Calculator

> ACR/PCR Ratio Calculator

Canonical page: [https://chrome-stats.com/d/com.jjryan.engiseek](https://chrome-stats.com/d/com.jjryan.engiseek)

## Overview

- **ID:** `com.jjryan.engiseek`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** JJ Ryan Consulting
- **Category:** TOOLS
- **Downloads:** 48
- **Version:** 1.0.0
- **Last updated:** 2026-06-11
- **First published:** 2025-11-09
- **Publisher country:** AU
- **Size:** 82 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.jjryan.engiseek)
- **Website:** [https://jjryan.com.au/](https://jjryan.com.au/)
- **Privacy policy:** [https://jjryan.com.au/website-privacy-policy/](https://jjryan.com.au/website-privacy-policy/)

## Description

The AAA Pavement Concession Calculator is a professional mobile application designed for the aviation and infrastructure sectors. Built in collaboration with the Australian Airports Association, the app simplifies the complex task of evaluating aircraft-to-runway compatibility by providing accurate, regulation-aligned calculations.<br><br>With this tool, users can compare Aircraft Classification Rating (ACR) against Pavement Classification Rating (PCR) and tyre pressure limits, ensuring safe, efficient, and compliant aircraft operations on aerodrome pavements.<br><br>Key Features:<br><br>Aircraft &amp; Aerodrome Data Management: Add, edit, and search aircraft models, runways, and aerodrome details.<br><br>ACR/PCR Calculator: Instantly calculate pavement concessions, with colour-coded messages to highlight when operations are within limits or require engineering assessment.<br><br>Tyre Pressure Assessment: Check whether aircraft tyre pressures comply with runway limits, with clear guidance for concession approvals.<br><br>Offline Capability: All calculations and data storage are fully available without internet access, ideal for field conditions.<br><br>Export Options: Generate and share PDF reports of results for operational records and compliance checks.

## Rankings

- #2,269,752 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.android.vending.CHECK_LICENSE`
- `com.jjryan.engiseek.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.jjryan.engiseek)