звичайна Х-подібна рама(стосується дронів)
frame cross member / frame cross-member
true azimuth / bearing
true horizon
true north (TN)
bearing, true
true wind angle
true wind computer
true wind velocity
true heat capacity
knots true airspeed (KTAS)
runway true bearing
true air speed
true airspeed (TAS) indicator
true altitude
true east
true freezing point
true heading (TH)
true radio bearing
true vertical
true airspeed (TAS)
true Mach number (TMN)
true airspeed
true wind direction
true course display
true course
true wind
true up
true diversity
true
bearing frame
containerized shipping, storage, and launch frame
fixed frame metal detector