TOMARK Viper SD-4 RTC - Aircraft Geometry Check

TOMARK, s.r.o.
Airplane Maintenance Manual
Chapter 05 Inspection and Maintenance
Issue: 04.APR 2016 Page 67
05-50-02 Aircraft Geometry Check
Perform the Aircraft Geometry Check after major events such as hard
landings, spinning etc. but also after dismounting of the surfaces.
▶ Measure the distances as outlined in Figure 3 Measuring Sections and
Figure 4 Measuring Points Identification and enter values into the form
below.
▶ Contact TOMARK if any measured value exceeds tolerances.
Measuring sections and points on the right aircraft side are
symmetrically to the left side. Sections on the right side are marked
“AR” thru “HR”.
Aircraft Geometry Check Form
Measuring sections
Prescribed section
distance ± tolerance
Measured value
Symmetry of vertical and horizontal surfaces:
1. AL = distance between measuring points 6 – 3
1345 mm ± 3mm
2 .AR = distance between measuring points 6 – 3
1345 mm ± 3mm
3. BL = distance between measuring points 6 – 9
1900 mm ± 3mm
4. BR = distance between measuring points 6 – 9
1900 mm ± 3mm
5. CL = distance between measuring points 7 – 8
1337 mm ± 3mm
6. CR = distance between measuring points 7 – 8
1337 mm ± 3mm
7. DL = distance between measuring points 6 – 2
2467 mm ± 5mm
8. DR = distance between measuring points 6 – 2
2467 mm ± 5mm
Wing symmetry and twist:
9. EL = distance between measuring points 3 – 5
3553 mm ± 5mm
10. ER = distance between measuring points 3 – 5
3553 mm ± 5mm
11. FL = distance between measuring points 3 – 4
3855 mm ± 5mm
12. FR = distance between measuring points 3 – 4
3855 mm ± 5mm
13. GL = distance between measuring points 4 – 2
3049 mm ± 5mm
14. GR = distance between measuring points 4 – 2
3049 mm ± 5mm
15. HL = distance between measuring points 5 – 1
3188 mm ± 5mm
16. HR = distance between measuring points 5 – 1
3188 mm ± 5mm
Issue: 11.AUG 2016