Liferaft cleaning, streamers, cementing, and patches

Question 1

What are the cleaning procedures

Answer 1

1 part detergent/3 parts water
apply by spray or swab
allow solution to sit for several minutes and agitate with brush or rag
rinse with water, wipe with cloth or sponge
dry raft with lint free cloth

Question 2

Which streamers are required for inspection

Answer 2

tie to aircraft
survivals items
remove before flight

Question 3

Streamer fabrication

Answer 3

36inX2in cotton red webbing
bar tack fold with e thread at 6-8in
no. grommet
1in black letters

Question 4

What materials are required for cementing and patching liferafts

Answer 4

wooden or rubber 2x2in roller
soft bristle brush
methyl ethyl ketone
manufacturer specific liferaft repair kit
talcom powder

Question 5

What is a cementing caution

Answer 5

do not allow excess solvent to collect on seams
do not apply solvents to decals or stencil markings
discard unused cement 4 hours after mixing

Question 6

What are procedures for cementing

Answer 6

the cement line must be even, uniform, 1/2in beyond edge of repair
for a cut or tear, butt the damaged area together before patch
brush 3 medium even coats and allow 10 minutes to dry between coats
coats brushed on perpendicularly
allow cement to cure for 48 hours with no internal pressure
perform leak test afterwards

Question 7

How large of a patch should be cut

Answer 7

rounded patch 1in larger than the damage on all sides

Question 8

When repairing damage in floor that is larger that 1in, what shall be done

Answer 8

a patch will be applied to both sides and the edges of the patches will be scalloped using pinking shears

Question 9

What materials are needed for cleaning

Answer 9

detergent general purpose, lint-free cloth, soft brush, rag , or sponge

Question 10

Liferafts are considered beyond repair if what

Answer 10

1. holes or tears larger than 1 in
2. holes or tears within 1 in of seam
3. holes or tears on non inflatable floors larger than 7 in

13520.1C 2-4