# FCD-TR1 Adapter Application

> iPad app for calibrating turboprop engine gauges via Bluetooth adapter. (iPhone/iPad app by Ross Morrison.)

- Source: https://appshunter.io/ios/app/fcd-tr1-adapter-application/id1438537309 (this page in markdown: same URL + `.md`)
- Developer: [Ross Morrison](https://appshunter.io/developer/1438537308)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 14.4 · 2 MB
- Languages: American English
- Released: 2018-10-19
- Data updated: 2026-07-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/fcd-tr1-adapter-application/id1438537309/reviews.md

## What is FCD?

iPad based calibration app for the Electronics International Inc line of Turboprop 2 inch round engine gauges. The FCD-TR1 adapter is a BLE (BlueTooth) device that can be plugged directly into the back of any of the TR1 instruments and then controlled by this app via a BLE (BlueTooth) connection. All calibration parameters of the TR1 are accessible via this app. In addition, recorded flight log data can be downloaded to the iPad.

## Key features

- iPad-based calibration
- Bluetooth connectivity
- Control calibration parameters
- Download flight log data
- Supports TR1 engine gauges


## Frequently asked questions about FCD

### What is the FCD-TR1 Adapter Application used for?

The FCD-TR1 Adapter Application is used to calibrate the Electronics International Inc line of Turboprop 2 inch round engine gauges. It connects via Bluetooth to a specialized adapter plugged into the back of the TR1 instruments.

### What devices does the FCD-TR1 Adapter Application support?

The application is supported on iPhone, iPad, and iPod devices. It is designed to run on iPads for its calibration functions.

### How does the FCD-TR1 Adapter Application connect to the engine gauges?

It connects wirelessly via BLE (Bluetooth) to the FCD-TR1 adapter, which is plugged directly into the back of the TR1 engine instruments.

### Can I access flight log data with the FCD-TR1 Adapter Application?

Yes, recorded flight log data can be downloaded to your iPad directly through the application.

### What is the age rating for the FCD-TR1 Adapter Application?

The application has an age rating of 4+, making it suitable for a wide range of users.

### How often is the FCD-TR1 Adapter Application updated?

The latest version, 1.8, was released on March 29, 2023. Updates typically address performance improvements and compatibility.

### Does the FCD-TR1 Adapter Application have ads?

No, the FCD-TR1 Adapter Application does not contain advertisements. It is a free utility app.

### What is the user rating for the FCD-TR1 Adapter Application?

The application has a perfect rating of 5.0 stars based on one review, indicating high user satisfaction.

## Version history (last 5 releases)

### 1.8 — 2023-03-29

Bug fixes

### 1.7 — 2023-02-07

Fix crashing on iPhone

### 1.6 — 2023-01-24

Factory Restore option and bug fixes

### 1.5 — 2022-03-18

Updates to the Calibration screen which maintains edits to the Input @ Max and Max Value edit fields.

### 1.2 — 2019-12-19

Allowed frequency calibration entry fields accessible to all versions of the TR-1.

## Apps similar to FCD

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [TP Connect](https://appshunter.io/ios/app/tp-connect/id1101507484) | — | Free | Utilities |
| [TEM Water Bill](https://appshunter.io/ios/app/tem-water-bill/id1329281946) | 5.0 (1) | Free | Utilities |
| [DeeUP](https://appshunter.io/ios/app/deeup/id6670591716) | — | Free | Utilities |
| [SMS - Safety Management System](https://appshunter.io/ios/app/sms-safety-management-system/id1163615681) | 4.7 (3) | Free | Utilities |
| [Tracker Detector](https://appshunter.io/ios/app/tracker-detector/id6738701716) | 5.0 (2) | $0.99 | Utilities |
| [Autograph Identifier - Scanner](https://appshunter.io/ios/app/autograph-identifier-scanner/id6759478875) | 5.0 (1) | Free | Utilities |

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-05.*