Spanish original · English

Hover or tap underlined Spanish terms to see their translation and exam tip.

¿Qué hay que hacer para eliminar el error de índice del sextante?:What must be done to remove the sextant’s index error?

Show the answer

Correct answer: c) Set 0º00.0′, look at the horizon and turn the relevant horizon mirror screw until the direct and reflected horizon images coincide.

Why it is correct

With the sextant at zero, the direct and reflected horizon should form one line. Adjust the small mirror’s screw until they coincide.

Why the others are not

  • a) The navigator does it.
  • b) That fixes another error.
  • d) It can be corrected.

How to work it out in the exam

  1. Index error: at zero, look at horizon.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.