# CN-235 Planning Reference

> CN-235M aircraft takeoff and landing data computation reference tool. (iPhone/iPad app by Michael Eovine.)

- Source: https://appshunter.io/ios/app/cn-235-planning-reference/id1624277893 (this page in markdown: same URL + `.md`)
- Developer: [Michael Eovine](https://appshunter.io/developer/1624277895)
- Category: Reference
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.0 · 5 MB
- Languages: American English
- Released: 2022-06-17
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/cn-235-planning-reference/id1624277893/reviews.md

## What is CN?

Takeoff and Landing data reference for CN-235M aircraft.  Input applicable variables and app will compute takeoff and landing data.  The data is for the user's reference only and not meant to be used for flight planning.  Use the applicable flight manual for actual flight planning. This is the link to the End User License Agreement (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Takeoff and landing data computation
- CN-235M aircraft specific
- Variable input for calculations
- Reference data provided
- Supports iPhone and iPad

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Unlimited access | $2.99 | per month |
| Unlimited Access | $29.99 | per year |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/cn-235-planning-reference/id1624277893/reviews.md

### 5/5 — Great Job!

*2022-06-17*

Very user friendly! The app is not only easy to use but it also is basic and provides exactly what is needed for planning in the cn-235.

## Frequently asked questions about CN

### What is CN-235 Planning Reference used for?

CN-235 Planning Reference computes takeoff and landing data for the CN-235M aircraft based on user-input variables. This data is intended for reference only, not for actual flight planning.

### Is CN-235 Planning Reference free to use?

The app is free to download and use. It offers subscription plans for unlimited access, with options for monthly and yearly payments, including a free trial period.

### What are the subscription options for CN-235 Planning Reference?

CN-235 Planning Reference offers two subscription plans: Unlimited access for $2.99 per month with a 7-day free trial, and Unlimited Access for $29.99 per year.

### Does CN-235 Planning Reference have ads?

No, CN-235 Planning Reference does not contain advertisements. The app is ad-free.

### What devices is CN-235 Planning Reference compatible with?

CN-235 Planning Reference is compatible with both iPhone and iPad devices.

### How often is CN-235 Planning Reference updated?

The app was last updated on November 19, 2025, with version 1.1.6. This indicates a recent update, suggesting ongoing support and potential for future improvements.

### What is the age rating for CN-235 Planning Reference?

CN-235 Planning Reference has an age rating of 4+, making it suitable for a wide range of users.

### Can I use CN-235 Planning Reference for actual flight planning?

No, the data provided by CN-235 Planning Reference is strictly for user reference. For actual flight planning, you must always consult the applicable official flight manual.

## Version history (last 5 releases)

### 1.1.6 — 2025-11-19

Updated FAA weather website information for METAR download and fixed issue where "Get Data" button would not turn green on weather update.  Updated package dependencies.

### 1.1.5 — 2025-08-24

Updated package dependencies and bug fixes

### 1.1.4 — 2024-04-15

Changed the functionality of the "Get Data" button.  Fixed issues with paywall not coming down properly.  Updated privacy data to comply with App Store policy.

### 1.1.3 — 2023-11-16

Fixed the "Get Data" button.  The URL had changed and it is now updated and working.

### 1.1.2 — 2023-08-11

This version adds the ability to enter an airfield ICAO identifier and get weather data for the field.  The app will display the time of the metar and will enter the temperature and compute the pressure altitude.  It will also calculate the altimeter in InHg and enter the field elevation on the planning page.

## Apps similar to CN

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Elements: Periodic Table 2023](https://appshunter.io/ios/app/elements-periodic-table-2023/id6451543946) | — | Free | Reference |
| [CessnaProFlight](https://appshunter.io/ios/app/cessnaproflight/id6449470165) | 3.0 (2) | Free | Reference |

## More apps by Michael Eovine

- [CN-235 Weight and Balance](https://appshunter.io/ios/app/cn-235-weight-and-balance/id1669437174)

All apps by Michael Eovine: https://appshunter.io/developer/1624277895

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*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 2026-06-01.*