Hanly's Maneuvering Board CPA Calculator
Point
Time (HHMM)
Bearing (°T)
Range (yds)
M1
M2
Your Ship
Speed (ER)
Course (ER)°T
🚢
Generate Problem
Solve
MRM (yds):
SRM (knots):
DRM:
True Speed (knots):
True Course:
CPA Range (yds):
CPA Bearing:
CPA Time:
Target Angle:
Bearing Drift: