# CTA Helper — Cold-temperature airport calcs

> Cold-temperature airport calcs (iPhone/iPad app by Timothy Morgan.)

- Source: https://appshunter.io/ios/app/cta-helper/id6795019635 (this page in markdown: same URL + `.md`)
- Developer: [Timothy Morgan](https://appshunter.io/developer/788467418)
- Category: Utilities, Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 26.5 · 8 MB
- Languages: American English
- Released: 2026-08-06
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/cta-helper/id6795019635/reviews.md

## What is CTA Helper?

CTA Helper helps pilots comply with ENR 1.8 Cold Temperature Airport altitude adjustments. Simply select your airport and your approach, choose the weather, and the corrected altitudes for each fix will be shown for easy reference.

* The complete database of all 2,100+ airports with cold-temperature corrected approaches
* Manually select airport temperature or automatically load it from downloaded METAR data
* Use All Segments or Individual Segments calculation methods (both acceptable to ENR 1.8)
* Enter DH or MDA and see temperature-corrected altitude (where applicable)
* Choose rounding strategy: always round up or nearest 100 (both acceptable to ENR 1.8)


## Version history (last 1 release)

### 1.0 — 2026-08-06

No release notes.

## More apps by Timothy Morgan

- [SF50 TOLD](https://appshunter.io/ios/app/sf50-told/id1552835232)
- [SR22-G2 TOLD](https://appshunter.io/ios/app/sr22-g2-told/id1553162654)
- [Flight Assessment of Risk Tool](https://appshunter.io/ios/app/flight-assessment-of-risk-tool/id1570992859)
- [IP Inbound](https://appshunter.io/ios/app/ip-inbound/id6745743691)
- [Zili: Learn Chinese](https://appshunter.io/ios/app/zili-learn-chinese/id6790533407)

All apps by Timothy Morgan: https://appshunter.io/developer/788467418

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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 2026-08-20.*