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【范围】
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This Minimum Performance Document defines the testing required for wheels, brakes, and wheel and
brake assemblies to be used on civil aircraft certified under 14 Code of Federal Regulations (CFR)
Part 23, 27, and 29.
Compliance with this document is recommended to assure that the equipment supplied will meet the
intended design function when installed on aircraft. Compliance with this document does not constitute
authorization for installation on an aircraft. The combined recommendations of this document provide
an acceptable practice, but not the only practice, for obtaining authorization to apply TSO markings on
the equipment.
1.1 Applications:
Compliance with these minimum performance requirements by manufacturers is required as a
means of assuring that the equipment will have the capability to satisfactorily perform its intended
function(s). Installers and users must properly maintain this equipment to assure its continued safe
operation.
NOTE: Aircraft operational characteristics and other external influences may affect performance
capabilities. Consequently, anticipated aircraft braking performance should be verified by
aircraft testing.
1.2 Composition of Equipment:
The words “equipment” or “brake assembly” or “wheel assembly” as used in this document include
all components which form the entire unit.
For example, a wheel assembly may include half hub(s), bearings, flange(s), drive keys, heat
shields, brake disks, and fuse plugs. A brake assembly may include backing plate, torque tube,
cylinder assemblies, pressure plate, and heat sink.
It should not be inferred from this example that each wheel assembly and brake assembly will
necessarily include all or only, the above example components. This will depend on the specific
design chosen by the manufacturer.strRefField
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