FAA Advisory Circular 43.13-1B

Acceptable Methods, Techniques, and Practices

Aircraft Inspection and Repair

AC 43.13-1B | 9. Aircraft Systems and Components | 2. Hydraulic Systems | 9-30. Hydraulic Lines and Fittings

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9/27/01
TABLE 9-4. Ball diameters for testing hose restrictions
or kinking.
HOSE SIZE
BALL SIZE
-4
5/64
-5
9/64
-6
13/64
-8
9/32
-10
3/8
-12
1/2
-16
47/64
-20
61/64
AC 43.13-1B CHG 1
FIGURE 9-11. Suggested handling of preformed hose.
Par 9-30
Page 9-25
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