013 lessons
One aircraft, several mass limits
Build the mass chain and find which limit actually constrains payload.
EASA 031 · ATPL(A) syllabus topicsOpen chapterTHE YPI LEARNING LIBRARYEASA ATPL(A)
Mass & Balance.
Place the mass. Find the balance.
031 · EASA ATPL(A). Explore the chapters below, with visual explanations and original practice questions.
Mass, moments and operational control11 chapters
023 lessons
Moments make balance calculable
Use signed arms, consistent units and a common datum to locate the centre of gravity.
EASA 031 · ATPL(A) syllabus topicsOpen chapter033 lessons
Weigh the aircraft, preserve the record
Turn scale reactions into a trustworthy empty-mass baseline.
EASA 031 · ATPL(A) syllabus topicsOpen chapter043 lessons
Locate CG inside the whole envelope
Convert metres to percent MAC and test limits at the relevant mass.
EASA 031 · ATPL(A) syllabus topicsOpen chapter053 lessons
Add, remove or ballast with a purpose
Solve the new weighted mean and work backwards from a target CG.
EASA 031 · ATPL(A) syllabus topicsOpen chapter063 lessons
Move a load, preserve total mass
Use the fixed-mass shift equation and reverse it to plan a correction.
EASA 031 · ATPL(A) syllabus topicsOpen chapter073 lessons
Follow fuel through the balance envelope
Model each tank separately and explain why fuel burn can move CG either way.
EASA 031 · ATPL(A) syllabus topicsOpen chapter083 lessons
People and baggage are a distribution
Use authorised mass methods and preserve the real loading zones.
EASA 031 · ATPL(A) syllabus topicsOpen chapter093 lessons
Local loads can fail before total mass
Check floor pressure, running load, compartment mass and restraint separately.
EASA 031 · ATPL(A) syllabus topicsOpen chapter103 lessons
Read a load sheet as a chain of evidence
Connect the baseline, traffic, fuel and index, then amend consistently.
EASA 031 · ATPL(A) syllabus topicsOpen chapter113 lessons
Why the envelope protects control
Connect balance calculations to tail force, stability and controllability.
EASA 031 · ATPL(A) syllabus topicsOpen chapterYour learning, across devices.
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