# Cold Weather Ops

> Pilot's reference tool for cold weather flight calculations and information. (iPhone/iPad app by Adrian Patterson.)

- Source: https://appshunter.io/ios/app/cold-weather-ops/id1611074825 (this page in markdown: same URL + `.md`)
- Developer: [Adrian Patterson](https://appshunter.io/developer/1562299789)
- Category: Reference
- Price: Free with in-app purchases (on sale, was $2.99)
- Rating: 5.00/5 from 1 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.6 · 9 MB
- Languages: American English
- Released: 2023-04-30
- Data updated: 2026-06-05
- Monetization: subscription
- User reviews in markdown: https://appshunter.io/ios/app/cold-weather-ops/id1611074825/reviews.md

## What is Cold Weather Ops?

Cold Weather Ops is an app that gives simple and intuitive access to information that would otherwise require pilots to troll through pages and pages of documents, or make critical calculations based on tabulated information.

The app includes:-
   
    Snowfall Intensity - Make 3 simple selections to find out the snowfall intensity for use in Holdover Time calculations. 
    
    Holdover Times - A simple and intuitive interface to gain access to anti-icing holdover times, based on the current FAA Guidelines tables. The form builds in a logical sequence, with all notes (including restrictions, Lowest Operational Use Temperatures, condition descriptions, etc) appearing at the relevant points in the process - avoiding the need to have to troll through pages of documents. Once a holdover time has been generated, a timer is available to set a reminder for when the holdover time has expired.

   Runway Conditions - A tool to quickly gain information about generic Braking Action and Runway Condition Code associated with the various types of runway contaminants. A description of each condition is provided along with what can be expected with the different Braking Action levels. Also included is a simple calculator to work out the runway cleared width in metres, when given by ATC in feet (when required for reducing maximum crosswind figures). Holdover Data is updated each winter to reflect the latest FAA guidelines.

    Altimeter Corrections - By using the mathematical formula from ICAO Doc 8168, this tool provides accurate altimeter information for flying approaches in colder than standard conditions - removing the need to make calculations/interpolation of tabulated figures.

Annual subscription required to use this app.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Snowfall intensity calculations
- Anti-icing holdover time access
- Runway condition information
- Altimeter corrections for cold conditions
- Holdover time expiration timer
- Runway cleared width calculator

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| App access | $2.99 | per year |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/cold-weather-ops/id1611074825/reviews.md

### 5/5 — Great all in one cold ops all

*2026-01-26*

Ficon to hold overs and altimeter correction, nice one stop shopping

**Developer response:** Thank you for your feedback.

### 3/5 — Feature request

*2024-03-17*

Can you include temps to -60 Celsius? And consider changing temp drop down to direct input. Thanks! Flying in the Arctic regions - 40 below ain’t enough!

**Developer response:** Hi. 
Sorry, I’ve only just seen your review/request. 
I’ll look in to lowering the temperature input for the cold weather corrections, and whether or not I can change the input method. 
Thank you for your feedback 

Hi again
I’ve now added the ability to type in a temperature, as well as selecting from the drop down list. I’ve upped the limit of the drop down list, but limited this to -50 degrees as this is as low as the ICAO tables go in Doc 8168, and I don’t know if the formula is accurate below this temperature. You can enter lower temperatures, and results will be generated for this, but I’ve no way of knowing whether they’re accurate or not. 
I have also added the ability to apply temperature corrections to elevations in metres, in case of flying in parts of the world where this is standard. 
An app update should be released in the next couple of days
Thanks again for the feedback

## Frequently asked questions about Cold Weather Ops

### What is the subscription cost for Cold Weather Ops?

Cold Weather Ops requires an annual subscription for app access, priced at $2.99 per year. This subscription grants you full access to all features and updates for the duration of the year.

### How often is the holdover data updated in Cold Weather Ops?

Holdover data in Cold Weather Ops is updated each winter to reflect the latest FAA guidelines. This ensures that pilots are always using the most current and accurate information for their calculations.

### Does Cold Weather Ops work offline?

The provided description does not specify offline functionality. However, the app's purpose is to provide quick access to information, suggesting it may require an internet connection for certain features or updates.

### What devices is Cold Weather Ops compatible with?

Cold Weather Ops is compatible with both iPhone and iPad devices. It is designed to run on Apple's mobile operating systems.

### What is the age rating for Cold Weather Ops?

Cold Weather Ops has an age rating of 4+. This indicates that the content is generally suitable for all ages, with no mature themes or potentially disturbing material.

### How does Cold Weather Ops simplify calculations?

Cold Weather Ops simplifies calculations by providing intuitive interfaces and built-in formulas, such as for altimeter corrections using ICAO Doc 8168. This eliminates the need for manual calculations or interpolating from tables.

### When was Cold Weather Ops last updated?

Cold Weather Ops was last updated on March 14, 2026, with version 26.3. This indicates a recent update, suggesting ongoing development and maintenance by the developer.

### Does Cold Weather Ops have ads?

No, Cold Weather Ops does not contain advertisements. The app is ad-free, allowing users to access its features without interruption.

## Version history (last 5 releases)

### 26.3 — 2026-03-14

A few changes to the Holdover Times section:-
        1. Added a timer to the bottom of the screen (once a result has been generated), giving an alert when your selected holdover time has ended (requires notifications to be enabled).
        2. Data entered in this section will now be maintained when navigating away from this page.
        3. Minor format changes.

For new customers, this app requires an annual subscription (existing customers maintain full access without requiring the subscription).

*minor bug fixes to version 26.2*

### 26.2 — 2026-03-11

A few changes to the Holdover Times section:-
        1. Added a timer to the bottom of the screen (once a result has been generated), giving an alert when your selected holdover time has ended (requires notifications to be enabled).
        2. Data entered in this section will now be maintained when navigating away from this page.
        3. Minor format changes.

For new customers, this app requires an annual subscription (existing customers maintain full access without requiring the subscription).

### 6.2 — 2025-10-29

This update incorporates the multiple changes that the 2025-26 FAA holdover guidelines brought with them, along with this section having a slight format change. 
The Altimeter Correction section has been reformatted so that it remembers the input data if you navigate away from that section, along with it automatically converting feet to metres and vice-versa.

### 6.1 — 2025-10-23

This update incorporates the multiple changes that the 2025-26 FAA holdover guidelines brought with them, along with this section having a slight format change. 
The Altimeter Correction section has been reformatted so that it remembers the input data if you navigate away from that section, along with it automatically converting feet to metres and vice-versa.

### 5.4 — 2024-12-02

Fix for issues caused by iOS 18.1
Changes to visibility data for Snowfall Intensity section
Changes to layout of Holdover Times section for Type I fluids

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## More apps by Adrian Patterson

- [B737 INN QRH](https://appshunter.io/ios/app/b737-inn-qrh/id1562299787)
- [B737 Max Diffs](https://appshunter.io/ios/app/b737-max-diffs/id1566730266)
- [Tui cold weather](https://appshunter.io/ios/app/tui-cold-weather/id6471268600)

All apps by Adrian Patterson: https://appshunter.io/developer/1562299789

## Related topics

[cold weather](https://appshunter.io/ios/topics/cold-weather)

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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 2026-06-05.*