# IAS Unreliable

> IAS Unreliable (iPhone/iPad app by Mustafa Karpat.)

- Source: https://appshunter.io/ios/app/ias-unreliable/id6753110912 (this page in markdown: same URL + `.md`)
- Developer: [Mustafa Karpat](https://appshunter.io/developer/717659415)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 18.6 · 2 MB
- Languages: American English
- Released: 2025-11-11
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/ias-unreliable/id6753110912/reviews.md

## What is IAS Unreliable?

This app is not approved for operational or flight use. For training and reference purposes only.

Airspeed Unreliable — Boeing 737 QRH Companion

When airspeed indications become unreliable, quick and accurate reference is essential. This app provides Boeing 737 NG and MAX pilots with verified QRH pitch and N1 settings for many aircraft configuration — instantly and offline.

Supported Variants
	•	737-800 NG Winglet
	•	737-800 SFP / SFP2
	•	737 MAX AB / AOA

Key Features
	•	QRH-based data
	•	Interpolation engine: Calculates intermediate weight and altitude values automatically
	•	Variant selection: Switch easily between NG and MAX models
	•	Offline access: No internet required during flight operations
	•	Clean interface: Optimized for quick input and clear output in all cockpit conditions

Disclaimer
This application is provided for training and reference purposes only.
It is not an official Boeing product and not approved for operational use in any phase of flight. Always refer to your company’s procedures and the aircraft’s official QRH for operational decisions.


## Version history (last 1 release)

### 1.0 — 2025-11-11

No release notes.

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## Related topics

[ias unreliable](https://appshunter.io/ios/topics/ias-unreliable)

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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 2026-05-19.*