curtisquickdv2 Headsets the zero point is engraved

the zero point is engraved at the 6 o'clock position for km/h and at the 12 o'clock position for mph and knots

You can upgrade with Terrain and Map option when ever you want

Foam replacement microphone screen reduces ambient noise and helps keep wind pressure from activating the microphone

The ATR833S is a complete new development

Also included is a stable carrying strap

curtisquickdv2 Headsets the zero point is engravedNOTE: Thread size column lists pipe thread (NPT), not measured thread. Quick opening brass drain valve for aircraft oil or fuel systems. A slight twist opens valve. No safety wire needed in closed position. FAA approved. TSO C76 Approved. Note: FAA Approval applies to fuel applications only. NOT FAA Approved for oil applications. Curtis Superior Valve is experienced in valve design and can help solve your valve problems. In most cases a standard