# Flight Time & FDP: Avion Calc — Duty Period & Block Time Calc

> Duty Period & Block Time Calc (iPhone/iPad app by Uwemo Applications LLC.)

- Source: https://appshunter.io/ios/app/flight-time-and-fdp-avion-calc/id6763415849 (this page in markdown: same URL + `.md`)
- Developer: [Uwemo Applications LLC](https://appshunter.io/developer/1803375283)
- Category: Productivity, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 16.6 · 2 MB
- Languages: English
- Released: 2026-04-23
- Data updated: 2026-06-14
- User reviews in markdown: https://appshunter.io/ios/app/flight-time-and-fdp-avion-calc/id6763415849/reviews.md

## What is Flight Time & FDP?

Say goodbye to mental math on the flight deck. Avion is the modern, precision-engineered calculator designed specifically for pilots and cabin crew. Whether you are adding up block times for your logbook or calculating complex Flight Duty Periods (FDP), Avion provides a beautiful, high-contrast interface that works as fast as you do.

Why choose Avion?
Most aviation calculators are clunky and outdated. Avion offers a premium UI/UX that feels like a native part of your flight bag. It’s fast, distraction-free, and optimized for one-handed use during a busy turnaround.

Key Features:

• Flexible Data Entry: Don't let rigid inputs slow you down. Enter time your way:
- HH:MM format (e.g., 08:45)
- Total Minutes (e.g., 165)
- Intervals (e.g., 0800 - 1045 Off-Block to On-Block)

• Dual-Format Output: Get your results instantly in both HH:MM and Decimal (7.75) formats simultaneously. Perfect for airline payroll and logbook entries.

• Master Your Duty Day: Calculate Flight Duty Period (FDP) and total Duty Period with pinpoint accuracy.

• Customizable Buffers: Adjust your Report and Debrief time offsets to match your specific airline’s OM-A regulations.

• One-Tap Copy: Tap any result to instantly copy it to your clipboard for use in other apps or company portals.

• Built for 24h Ops: Seamlessly handles 24-hour format entries, ensuring accuracy for night flights and long-haul rotations.

• Works offline: No internet? No problem. It works fully when offline.

Built for the Flight Deck:
• Clean, modern, and high-contrast UI for low-light cockpits.
• No unnecessary menus—just the tools you need.
• Ad-free experience focused on utility.

Whether you're a student pilot, a commercial captain, or cabin crew, Avion is the only time tool you need.

Download Avion today and simplify your flight deck workflow.


## Version history (last 4 releases)

### 1.0.3 — 2026-06-05

Welcome to Avion!
Initial release featuring our high-precision Flight and Duty calculators. Support for HH:MM, Decimal, and interval entries with customizable airline offsets.

### 1.0.2 — 2026-05-11

Welcome to Avion!
Initial release featuring our high-precision Flight and Duty calculators. Support for HH:MM, Decimal, and interval entries with customizable airline offsets.

### 1.0.1 — 2026-04-29

Welcome to Avion!
Initial release featuring our high-precision Flight and Duty calculators. Support for HH:MM, Decimal, and interval entries with customizable airline offsets.

### 1.0 — 2026-04-24

No release notes.

## More apps by Uwemo Applications LLC

- [Nanakshahi Calendar: Samaa](https://appshunter.io/ios/app/nanakshahi-calendar-samaa/id6743542459)

All apps by Uwemo Applications LLC: https://appshunter.io/developer/1803375283

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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 2026-06-14.*