Vessel ETA Calculator
Pro + Compass
Developed By MSTL: Anil Pillai
Live GPS N/S E/W, UTC/LT, Compass & history. Offline ready.
CONTAINER →
← BULK CARRIER
Current Position
📍 Live GPS
Watch OFF
Latitude - DD MM SS.s
N
S
Longitude - DDD MM SS.s
E
W
Enter DD MM SS.s - N/S E/W in box
No fix
Destination
Latitude - DD MM SS.s
N
S
Longitude - DDD MM SS.s
E
W
Waypoints (Optional) - Multi-leg Exact ETA
+ Add WP
Clear All
Add waypoints if vessel NOT sailing straight. ETA sum of legs: CUR->WP1->WP2->...->DEST. Map draws polyline through WPs.
Speed & Time
SOG (knots) *
Time Obtained - UTC / Local Time (LT) - Optional
Enter LT (your local). Auto-fills from GPS Live. Shows both UTC & LT in result. Empty=Now.
LT: --
UTC: --
Set Now (LT)
Options
Routing
Great-Circle 3440.065 NM
Sea-Lane +
6
% offline
Sea Lane Extra % (editable, default 6%)
Editable 0-15%
Sea Lane % Reference - Select area
Select Area Reference...
3% - Indian Ocean Open Sea / Seychelles (lowest)
4% - Suez / Indian / Pakistan / Sri Lanka / Maldives
5% - Oman / Persian Gulf+Hormuz / Kenya-Tanzania / Comoros
6% - All Red Sea Ports / Iran / Mozambique-Madagascar-SA (default)
7% - Djibouti & Somalia / Gulf of Aden
8% - Entire Red Sea to Bab el Mandeb / Yemen Coast (highest)
Custom - Manual
Grouped as per same % effective.
WGS84 R=6371.0088km = 3440.065 NM Haversine 100% accurate.
ETA Display
Local+UTC
UTC Only
Calculate ETA → Plot Red Dots
—
N
Compass
—
Distance
—
Time To Go
—
Initial Brg
—
Final Brg
—
Departure
—
Source
—
DEFAULT: Offline All-In-One Map (OSM)
Always works
Open in All-In-One Offline Maps
Center OSM
Map loading
OPTIONAL: Google Map
(needs internet)
Show Google Map
Center Google
Google Map - online only
History Last 10
Clear All
THANK YOU & BON VOYAGE
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SAFE SAILING
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THANK YOU & BON VOYAGE
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FAIR WINDS
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THANK YOU & BON VOYAGE
Developed By MSTL: Anil Pillai - V8.0 - Offline Ready + Google Optional + Waypoints
🚢 Install App? 2 Ships
Orange + General Cargo
INSTALL
Later
● OFFLINE READY V8.0