Directional Gyro, SIGMA TEK INC. Model 4000B-30 TSO. S/N T37751E.
Was inspected, glass seal was replaced, cleaned and sealed May 2024 by Terry instruments.
Originally was on my Beechcraft Sundowner and replace it with 4000-C1.
I kept it for spare but running out of space.
Was inspected, glass seal was replaced, cleaned and sealed May 2024 by Terry instruments.
Originally was on my Beechcraft Sundowner and replace it with 4000-C1.
I kept it for spare but running out of space.
