The first version of the working depth gauge ... Instructions: 1. Start on the water (preferably where you want to measure the depth) 2. Press 1 Detacher and add traction to 8-13% is no longer necessary, control on the roll stick. 3. Upon arrival do everything as quickly as possible, add thrust to 100% and with help pitch stick is necessary to plug the water meter, can not succeed on the first try (train !;)) as soon as it will delay the water in the middle attitude indicator must be 9 -. 4. observe the immersion (in figures) as soon as we reach the bottom :), you will realize this for 2 reasons: 1. 2. instantly runs out of fuel you will start to emerge ... The error in the appliance absolutely subjective and depends on how we started and how to react to reach the bottom. Share your results:) on location water takeoff ~ 603ft