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Master the A320 MCDU & 737 FMC — Free Flight Sim Trainers

Interactive browser-based trainers, quizzes, and tools that teach you real airliner procedures.

Practise programming the Airbus MCDU and Boeing FMC with guided scenarios and instant feedback — no simulator required. Then go deeper with our in-depth guides, approach plate quizzes, and performance tools.

MSFS 2024DCS WORLDX-PLANE
Try the Free MCDU TrainerExplore All Tools
Airbus A320 MCDU flight management computer
INIT
CO RTE
EGLLLFPG
FROM/TO
EGLL/LFPG
COST INDEX
35
CRZ FL/TEMP
FL350/-54
FLT NBR
STU01
ALIGN IRS
REF
TRAIN IN YOUR BROWSER

Train in Your Browser

Interactive tools that teach real airliner procedures — no download, no simulator, no account required to start.

SimTuts A320 MCDU trainer showing the INIT page with a KJFK to EGLL route
FREE + PREMIUM

A320 MCDU Trainer

Practise programming the Airbus A320 MCDU right in your browser. Guided scenarios walk you through route entry, INIT page setup, and performance configuration with instant feedback.

Try the MCDU Trainer
SimTuts Boeing 737 CDU trainer showing the RTE page with KJFK origin
FREE + PREMIUM

Boeing 737 CDU Trainer

Learn the Boeing 737 FMC/CDU with interactive scenarios — the same procedures PMDG 737 pilots use, from cold and dark to cruise.

Try the CDU Trainer
KLAX ILS RWY 24R approach plate from the SimTuts plate-reading quiz
FREE + PREMIUM

Approach Plate Quizzes

Real FAA and UK AIP approach plates with 10 questions each. Find the localiser frequency, decision altitude, missed approach procedure, and MSA — the same information you brief before every approach.

Take a Plate Quiz
A320 centre pedestal with thrust levers and MCDU
PREMIUM

A320 Takeoff Performance Calculator

Calculate V1, Vr, V2 speeds and FLEX temperatures for the A320 based on weight, flap setting, and conditions. Cross-referenced against FCOM data.

Open the Calculator

See all tools, including 22 knowledge quizzes →

SIMTUTS PREMIUM

Go Further with Premium

One subscription covers both trainers and every premium tool.

£6.99/month or £49/year — cancel anytime.

See Premium Plans
Advanced MCDU & CDU scenarios
AI feedback on your technique
Full approach plate quiz library
A320 takeoff performance calculator
One-click SimBrief OFP import
Progress synced across devices

Learn From Our Guides

Free in-depth guides to help you become a better virtual pilot.

Holding Patterns: Direct, Teardrop, and Parallel Entries Explained

Holding Patterns: Direct, Teardrop, and Parallel Entries Explained

ATC says hold and you have 30 seconds to react. The three holding pattern entries — direct, teardrop, parallel — how to pick one, and fly it in MSFS.

10 min readFree Guide
10 Mistakes Every Flight Sim Beginner Makes (And How to Fix Them Fast)

10 Mistakes Every Flight Sim Beginner Makes (And How to Fix Them Fast)

From ignoring trim to flying alone too long, these common mistakes hold back new pilots. Learn what they are, why they happen, and how to break the habits before they stick.

9 min readFree Guide
SIDs and STARs Explained — How to Read Departure and Arrival Plates

SIDs and STARs Explained — How to Read Departure and Arrival Plates

SID and STAR plates decoded using real FAA charts from JFK — every symbol explained, plus how to fly them in the PMDG 737 and Fenix A320.

12 min readFree Guide
View All Guides

Frequently Asked Questions

The SimTuts MCDU trainer is a free, browser-based simulation of the Airbus A320 MCDU. Guided scenarios walk you through real procedures — route entry, INIT page setup, performance configuration, SID/STAR selection — with instant feedback on every keystroke. There's also a Boeing 737 CDU trainer covering the same ground for the PMDG 737. No simulator or download required.

Yes. The core A320 MCDU and Boeing 737 CDU scenarios are completely free and don't require an account. SimTuts Premium adds advanced scenarios, AI feedback on your technique, extra approach plates, the A320 takeoff performance calculator, SimBrief import that builds a guided prep for your actual flight, and progress sync across devices. Cancel anytime.

Premium unlocks advanced MCDU and CDU scenarios, AI-powered assessment feedback, the full approach plate quiz library, the A320 takeoff performance calculator, full AI debriefs in the ATC radio practicer, and cloud progress sync across devices. SimBrief import turns your own OFP into a guided walkthrough of your actual route, SID, airways and V-speeds. It covers both the A320 and 737 trainers in one subscription. Cancel anytime.