Basedonthesetestsacertificatewillbeissued.

Based on these testsa certificate will be issued.


-Heightalert,heightdifferencemeasuring,climb/descent,verticalspeed

- Height alert, height difference measuring, climb/descent, vertical speed


Ifcancelledwithin14daysofarrival,onlydepositwillcharged.Ifyouhavecancellationinsurance,wewillreturnthedeposit.

If cancelled within 14 days of arrival, only deposit will charged. If you have cancellation insurance, we will return the deposit.


Thecommonluminescentfiberincludes:inthelow-refractiveglasshollowfiberisfilledwiththelightemittingmaterialofhighrefractiveindexoftheliquid;luminescentglassfibercorematerial;emittingplasticfibercorematerial.
The common luminescent fiber includes: in the low-refractive glass hollow fiber is filled with the light emitting material of high refractive index of the liquid ; luminescent glass fiber core material ; emitting plastic fiber core material.