A Gnomonic Planning Chart for Great Circle Sailing, North Atlantic Ocean. One of a series of five new charts to assist with passage planning and plotting great circle routes as a straight line. They are useful for devising composite rhumb lines. The five charts cover the oceans of the world, see diagram INDEX OF GNOMONIC PLANNING CHARTS for coverage. For the convenience of chart users, the number of the cancelled chart has been retained for this new chart.

A Gnomonic Planning Chart for Great Circle Sailing, Southern Atlantic and Southern Oceans. One of a series of five new charts to assist with passage planning and plotting great circle routes as a straight line. They are useful for devising composite rhumb lines. The five charts cover the oceans of the world, see diagram INDEX OF GNOMONIC PLANNING CHARTS for coverage. For the convenience of chart users, the number of the cancelled chart has been retained for this new chart.

A Gnomonic Planning Chart for Great Circle Sailing, North Pacific Ocean. One of a series of five new charts to assist with passage planning and plotting great circle routes as a straight line. They are useful for devising composite rhumb lines. The five charts cover the oceans of the world, see diagram INDEX OF GNOMONIC PLANNING CHARTS for coverage. For the convenience of chart users, the number of the cancelled chart has been retained for this new chart.

A Gnomonic Planning Chart for Great Circle Sailing, South Pacific and Southern Oceans. One of a series of five new charts to assist with passage planning and plotting great circle routes as a straight line. They are useful for devising composite rhumb lines. The five charts cover the oceans of the world, see diagram INDEX OF GNOMONIC PLANNING CHARTS for coverage. For the convenience of chart users, the number of the cancelled chart has been retained for this new chart.

A Gnomonic Planning Chart for Great Circle Sailing, Indian and Southern Oceans. One of a series of five new charts to assist with passage planning and plotting great circle routes as a straight line. They are useful for devising composite rhumb lines. The five charts cover the oceans of the world, see diagram INDEX OF GNOMONIC PLANNING CHARTS for coverage. For the convenience of chart users, the number of the cancelled chart has been retained for this new chart.