CS 29.1381 Instrument lights CS 29.1383 Landing lights CS 29.1385 Position light system installation CS 29.1387 Position light system dihedral angles CS 29.1389 Position light distribution and intensities CS 29.1391 Minimum intensities in the horizontal plane of forward and rear position lights CS 29.1393 Minimum intensities in any vertical plane of forward and rear position lights CS 29.1395 Maximum intensities in overlapping beams of forward and rear position lights CS 29.1397 Colour specifications CS 29.1399 Riding light CS 29.1401 Anti-collision light system