Reduction of a Star by 229 to calculate Hc and Zn

Calculate Latitude by LAN including an advance to 1200

Plotting a 3 Star Running Fix

Plotting a morning Sunline and LAN for a Running Fix

Using Trial Mode for Collision Avoidance on Naviradar 4000

Combining two currents to determine the overall resulting current

Wind Driven Currents - Calculating Speed and Direction (Set and Drift)

Current Diagram - Calculate current at a particular spot

Current Diagram - Determining most Favorable Current

Calculate Course to steer to pass an object Abeam using a Maneuvering Board

Calculate current at a specific time

Precomputing the time of Local Apparent Noon (LAN) by two methods

Calculating Latitude at Meridian Transit of the Sun (LAN)

Precompute time of Sunrise

Explanation of Polaris table for Latitude or Azimuth by Polaris

Calculating Deviation by Triple Interpolation using HO 229

Calculating Latitude by Polaris

Issues using given Chronometer Time in Coast Guard Celestial Navigation Problems

Determining Course Made Good when given a Course to Steer with Leeway is present

Determining Course to Steer to Make a Desired Course Made Good when Leeway is present

Calculating ETA to Time Abeam by Pythagorean Formula

Determine Required Course (aka Course to Steer) to pass an object Abeam at a Specific Distance

Determine Distance off when Abeam using Table 7 of Bowditch II 1981

Determine Distance off at 2nd bearing using Table 7 of Bowditch II 1981

Calculate Deviation given True Course and data from Swinging the Ship

Calculating Great Circle Distance and Initial Course using a TI30XIIS calculator

Determine Coordinates of Opposite Vertex

Determine Longitudes where a Great Circle will cross the Equator given Longitude of the Vertex

Great Circle Sailing - Calculate Distance when L1 and L2 are same making L2 positive -on TI30XIIS

Great Circle Sailing - Calculate Distance crossing the Equator making L2 negative - on TI30XIIS