66 Part-66 TrainerUK CAA · Category B1
UK CAA Part-66 Category B1 Syllabus retained at Brexit — not EASA 2024 Specs: Appendix II, Reg (EU) 1321/2014 Consolidation Mar 2026

16 modules live - 11,408 questions

Know you are ready.
Not just hopeful.

A practice trainer for the UK CAA Part-66 licence examinations that tracks every question you answer, finds the topics that will fail you, and drills them until the numbers say you can sit the paper.

Module 6 · Category B1

Questions
72
Minutes
90
To pass
54 75%
Options
3 no penalty

No penalty marking, so never leave a blank — a guess is worth a third of a mark and a blank is worth nothing.

The thing everyone gets wrong

The UK did not follow EASA.

EASA changed its syllabus and paper lengths in June 2024. The UK CAA did not adopt it, and still examines the syllabus retained at Brexit. Almost every app, book and question bank online has migrated to the EASA standard — so it is training you for a paper you are not sitting.

UK CAA What you sit

  • Module 6, category B1 72 q / 90 min
  • Wood & fabric (6.3.2, 6.3.3) Level 2
  • Essay modules 7, 9 and 10
  • Pass mark 75% — 54 of 72

EASA What most material assumes

  • Module 6, category B1 80 q / 100 min
  • Wood & fabric Level 1
  • Essay modules 7 only
  • Pass mark 75%

Build to the wrong one and you train the wrong paper length and under-cover wood and fabric. Every paper drawn here is 72 questions in 90 minutes, weighted to the retained syllabus.

No account needed

Try a real question.

Three questions from the Module 6 bank, drawn from three different sub-modules. Answer one and you get the explanation, the memory hook and the trap it is setting — exactly as the trainer does.

Options are shuffled on every view. In the real trainer, grading happens on the server — the answer key never reaches the browser.

The part that matters

“Am I ready?” with reasons attached.

A score on its own is a horoscope. The trainer holds you to explicit conditions — coverage of the bank, a floor under every topic, and mock papers sat under time — and tells you exactly which one is stopping you. Move the sliders.

0 Readiness
Not ready

Capped at 74 while any condition is unmet, so the number can never contradict the blockers.

Questions attempted at least once. Needs 80%.
Every sub-module needs 70%. No blind spots allowed.
Pass is 54. The gate wants 62 — margin for the real thing.

What is stopping you

    Three ways to work

    Practise, diagnose, repair.

    Full mock paper

    72 questions drawn to the real weighting, 90 minutes on the clock, no feedback until you submit. Then a deficiency report by sub-module.

    Eight complete papers before any question repeats.

    Topic drill

    One sub-module at a time, with the explanation and the memory hook straight after each answer. The way to learn a topic from cold.

    Serves what you have seen least, so drills never repeat.

    Weak spots

    The questions you get wrong most, weighted by what each topic is worth in the paper — so corrosion outranks springs.

    Deliberately repeats. That is the point.

    Category B1 · choose your sub-category

    16 modules live. The rest mapped.

    A B1 licence has four sub-categories and they sit different module sets. Every module gets its own blueprint and its own bank, weighted so no topic runs dry before the others. 11,408 original questions are written so far.

    Module 1
    Mathematics
    Questions
    32
    Minutes
    40
    Bank
    768
    Module 2
    Physics
    Questions
    52
    Minutes
    65
    Bank
    624
    Module 3
    Electrical fundamentals
    Questions
    52
    Minutes
    65
    Bank
    624
    Module 4
    Electronic fundamentals
    Questions
    20
    Minutes
    25
    Bank
    320
    Module 5
    Digital techniques
    Questions
    40
    Minutes
    50
    Bank
    736
    Module 6
    Materials and hardware
    Questions
    72
    Minutes
    90
    Bank
    927
    Module 7A
    Maintenance practices
    Questions
    80
    Minutes
    100
    Bank
    960
    Module 8
    Basic aerodynamics
    Questions
    20
    Minutes
    25
    Bank
    320
    Module 9A
    Human factors
    Questions
    20
    Minutes
    25
    Bank
    320
    Module 10
    Aviation legislation
    Questions
    40
    Minutes
    50
    Bank
    480
    Module 11A
    Turbine aeroplane systems
    Questions
    140
    Minutes
    175
    Bank
    1,120
    Module 11B
    Piston aeroplane systems
    Questions
    100
    Minutes
    125
    Bank
    1,201
    Module 12
    Helicopter systems
    Questions
    128
    Minutes
    160
    Bank
    1,024
    Module 15
    Gas turbine engine
    Questions
    92
    Minutes
    115
    Bank
    736
    Module 16
    Piston engine
    Questions
    72
    Minutes
    90
    Bank
    864
    Module 17A
    Propeller
    Questions
    32
    Minutes
    40
    Bank
    384

    Paper specifications are taken from Appendix II of the CAA’s own consolidation of UK Regulation (EU) No. 1321/2014, dated March 2026. No module goes live until its specification has been checked against the regulator and dated.