This app calculates the required rest for 135 scheduled operations with two pilots or more.

For training purposes only.

What’s New

Version 1.1

Bug Fix - Different Time Zones

Ratings and Reviews

5.0 out of 5
33 Ratings

33 Ratings

you can take a 1000 ,


I’m 3 hole punching my 60-1 from this mornings 4 legs and all I can think about is how I have to go sit in the Costco gas line for 30 minutes so I can spend today’s earnings and make it home. Im hungry and tired and doing 3 of the 4 legs IFR on this beautiful blue sky day didn’t make it go by any faster but that’s ok, I need the time. This is when the phone rings, I pick up and its my ACP telling me that another F.O. called in sick and their line starts in 45 minutes. He asks if I can do it and I am hesitant to answer because I am running the numbers on my empty mind and stomach. Like a bolt of lightning it hits me!! I put him on hold and pull out Udi’s app! In about 15 seconds I say yes with a quiver, realizing that I still have to go to Costco after this. Hey but at least I am confident in my answer and odds are there will be Krispy Kreme doughnuts at one of these bases. At the end of the day I am 6.9 hours closer to making someone else do the cabin check and I’m sure my flexibility will be remembered when the vog eventually claims me as well. The bottom line is that legality comes first and much like a life alert for the elderly it has your back when you are the only one responsible for yourself.

Jared C. - "I Like Going Fast" ,

Top Notch 135 Duty Time App

There are a number of things that I check before flying, but this is on the top of my list. This simple yet effective IPhone app makes it easy for us to decide if we are even legal to fly today. And as much flying as we do in a Part 135 airline, flying too much without the required rest is probable, but this app simplifies the FAA’s over complicated duty time and dumbs it down for all of us to remain legal. Thank you for K.I.S.S. (Keeping It Simple Stupid).

Yeager67 ,

Duty Time Calculator

This duty time app is amazing!! What a terrific and comprehensive tool to help stay in compliance! Hats off the the genius who put this app together. Thank you to that person! A must have for the professional pilot who wants to avoid being the subject of a FAA investigation.

App Privacy

The developer, Udi Cohen, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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