
SARON Prep: ATPL Written Exam
Air Law · Systems · Mock Tests
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About
Practice questions and timed mock exams for the Canadian ATPL(A) SARON written examination, with explanations and source references for every answer.
SARON Prep covers Air Law and Procedures, Airframes and Systems, Instruments, Navigation, Flight Operations, Theory of Flight and Human Factors, and keeps score against the 70% pass mark until you are comfortably past it.
Load and trim, with a new sheet every session
Airline transport pilots are expected to read a load control document and correct an out-of-balance aeroplane. Open the trainer and the app generates a brand-new load and trim sheet — structural limits, zone weights and arms, cargo, fuel, zero fuel, take-off and landing weights with their moments — then asks questions computed from that document, including per cent MAC and the weight-shift problem. Three sheets in four put the centre of gravity outside the limits at take-off or at landing, so "is it within limits?" is never a free mark. Each sheet comes with its centre-of-gravity envelope, drawn from the same figures, so you can see where take-off and landing fall.
Calculations, worked line by line
Generated ISA deviation, pressure and density altitude, cold temperature correction, crosswind component, hydroplaning speed, stall speed versus bank, minimum IFR fuel, convergency, departure, UTC and time zone, groundspeed and ETE, 1-in-60, descent point, climb gradient and Mach-to-TAS problems. Fresh numbers every time, each with the full working. A take-off weight limit (WAT) chart reader adds questions you answer from the curves, including between two altitudes.
449 questions across the seven sections of TP 690E
Each of the 54 topics draws on public sources: the Canadian Aviation Regulations, the aeronautical information manual, the study and reference guide for the licence, and standard systems, aerodynamics and human factors theory. Every answer carries a full explanation and a source reference, so a wrong answer teaches you something instead of just costing a mark. The questions and their citations have been checked against the Canadian Aviation Regulations and the TC AIM 2026-2.
Mock exams cut to the SARON paper
80 questions sampled to the exam's subject weighting, a 3-hour-30 countdown, flagging, a question palette, and no feedback until you submit, as on exam day. Results are scored by section, with a full review of every question, so you know which of the seven areas is holding you back.
Missed questions come back
Every answer is tracked. Questions you miss return on a spaced schedule until they stick, and the dashboard estimates your readiness against the pass mark by section and by topic, so the next study session chooses itself.
The numbers to know cold
One Library card per topic with the core to memorize: fuel reserves, VFR minima, alternate minima, oxygen thresholds, wake turbulence separation, holding speeds, flight and duty limits, V-speeds, climb gradients, time of useful consciousness — each with its reference.
Try it free, then one purchase
Free to try: 50 practice questions in any mode, one full 80-question mock exam, and the whole Library. Full Access is a single in-app purchase that unlocks unlimited practice, unlimited mock exams, every load sheet and every calculation drill. One-time, no subscription, and it covers your iPhone, iPad and Mac.
Offline, and nothing collected
Universal app for iPhone, iPad and Mac. Works offline, and your progress follows you from device to device through your own iCloud account if you leave sync on. No account to create, no advertising, no analytics and no data collection of any kind: the developer never sees your progress.
Questions reviewed by a Class 3 flight instructor who sat this exam. Independent study aid — not affiliated with or endorsed by any regulator, and not a substitute for the current regulations and publications, which always take precedence.
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What's New in SARON Prep
1.3.3
November 5, 2026
Tell us how SARON Prep is working Library > About has a new "Rate SARON Prep on the App Store" row. The app also asks for a rating once per version, after a good practice session or a passed mock exam, or from the fifth time you open it. It never interrupts a question. Everything else from 1.3.2 is unchanged.
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$9.99
Full Access
Every question, mock exam and drill, unlocked






