FA-66243 / Aviation weight and balance / Member archive

Tare removed from weight but not from moment · case 03

Basic empty weight matches the scale sheet but the empty-weight arm is shifted toward the heavily chocked wheel.

Member previewVariant 3 · 3 implementations · 8 checks per implementation

Case contract

Input {'scales':[[position, reading lb, tare lb, arm]],'unusable_gal','fuel_arm','oil_qt','oil_arm','oil_drained'}. Aircraft weighed defueled, so unusable fuel (6.0 lb/gal) is added; full oil (1.875 lb per quart) is added only if the oil was drained for weighing. Return [basic empty weight r1, arm r2].

Why this case matters

A weighing report derives basic empty weight from net scale readings, then adjusts for fluids to the defined empty-weight configuration.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
defueled oil drained	`[1659.0, 47.53]`	`[1659.0, 46.86]`	Failed

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