Huling update: 2026-04-14Kontak: developer@captaincalc.com.tr
Batayan ng sanggunian: mga konsepto ng IMO/COLREG/STCW, nautical practice, aprubadong dokumento ng barko, at mga tala ng kalkulasyon ng CaptainCalc. Laging i-verify ang mga desisyon sa operasyon gamit ang opisyal na sanggunian.
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FWA at DWA Calculator
Kalkulahin ang Fresh Water Allowance (FWA) at Dock Water Allowance (DWA) para sa load-line operations.
Formula reference
FWA (mm) = W / (4 × TPCSW)
DWA (mm) = FWA × (1025 − ρdock) / 25
Positive DWA = add to load-line (load deeper). Negative = load less.
⚠ Cross-check with vessel stability booklet and port authority regulations.
DWA (mm) = FWA × (1025 − ρdock) / 25
Positive DWA = add to load-line (load deeper). Negative = load less.
⚠ Cross-check with vessel stability booklet and port authority regulations.