1. General
A. Corrosion problems arising from the transportation of live animals occur
from two main sources. One is derived from animal wastes which are corro-sive. Because the effects of waste products are so well known, adequate
steps are usually taken to ensure that the airplane does not become contam-inated. The second problem source is the increase in humidity inside the
airplane.
B. Problems associated with the occasional transportation of small animals in
cargo compartment are negligible, but the bulk transportation of large ani-mals makes it advisable to ensure that adequate precautionary measures
against corrosion are taken.
2. Animal Wastes
A. It is the usual practice to dehydrate animals before transportation to min-imize the amount of waste products generated.
B. The bulk transportation of animals necessitates the use of absorbent floor
coverings to contain the waste. Solids are removed after every flight and
replaced with clean wood shavings. After two-round trips the floor covering
is replaced.
3. Humidity
A. Animals generate more heat than humans consequently there is a greater pos-sibility of moisture buildup in the airplane.
B. To permit the maximum possible circulation of air from the cabin air condi-
tioning system the use of pens with open areas in the sidewalls is recom-mended.
C. To reduce the effect of high ground temperatures it is recommended that fans
be used to circulate air through the cabin while the airplane is on the
ground.
4. Preventive Maintenance
A. The use of airplanes for bulk shipment of live animals necessitates periodic
cleaning and deodorizing of the airplane. As this requires removal of cabin
lining and insulation blankets it also provides an excellent opportunity to
perform preventive maintenance.
B. At each available opportunity inspect the inner skin surface and fuselage
structure for signs of corrosion. Ensure that all drains are unobstructed,
and that there are no trapped liquids.
CAUTION: DISINFECTANTS MAY CONTAIN CHEMICALS WHICH ARE HARMFUL TO AIRPLANE
STRUCTURES. SODIUM HYDROXIDE SOLUTION, SODIUM CARBONATE SOLUTION
(PLAIN OR WITH 0.1 PERCENT SODIUM SILICATE) AND CHLORINATED LIME SOLU-TION WILL ALL CORRODE ALUMINUM. CRESYLIC AND LIQUIFIED PHENOL SOLU-TIONS WILL SEVERLY ATTACK ORGANIC FINISHES, SEALANTS AND PLASTICS,
INCLUDING THE ACRYLIC WINDOWS OF THE AIRPLANE INTERIOR.
Volume 1
20-61-00
Page 1 OCT 01/01
CORROSION PREVENTION MANUAL
STANDARD PREVENTATIVE MAINTENANCE METHODS
TRANSPORTATION OF LIVE ANIMALS
C. After the airplane has been cleaned and deodorized and before reinstallation
of the insulation blankets and cabin lining, treat the inner skin surface
and structure with water displacing corrosion inhibiting compounds as
described in 20-60-00.
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