GANGWAY ELEVATION ANALYSIS

Vessel — Installation
Input Parameters edit and click “Recalculate” — changes also update live as you type

Target Installation (e.g. FPSO)

X, A and B in metres, measured from the baseline (ABL / Above Base Line).

Gangway Vessel (e.g. Safe Eurus)

Axis (pivot) = Main Deck + fixed base + Section A + N × module step. Tick below which levels to plot:

Gangway Vessel Draft

Gangway Parameters

Lengths analysed: nominal − stroke / nominal / nominal + stroke.

Elevation Angle Status Thresholds

GREEN ≤ °
ADVISORY ≤ °
YELLOW ≤ °
RED > YELLOW threshold
Results Summary
Fig 1 — Elevation Angle vs Installation Draft
Fig 2 — Height Difference (h) vs Installation Draft
Detailed Table — Full Telescope Stroke Range
Each row shows the elevation angle at three gangway lengths (min / nominal / max stroke).
Row left-border colour = worst-case status in that row (across all combinations). Angle text colour = status at that specific length.