safety wire

[ˈseɪfti waɪr]
nounpl: safety wires
arame de segurança
1. A thin wire used to secure fasteners, components, or equipment to prevent loosening or loss due to vibration, movement, or other forces
The mechanic used safety wire to secure the engine bolts to prevent them from coming loose during flight.
O mecânico usou arame de segurança para fixar os parafusos do motor e evitar que se afrouxassem durante o voo.
2. In aviation and motorsports, a specialized wire passed through holes in fastener heads and around structural components to lock them in place
Safety wire is mandatory on all critical fasteners in aircraft maintenance.
O arame de segurança é obrigatório em todos os parafusos críticos na manutenção de aeronaves.
3. A secondary restraint system used to prevent equipment from becoming a projectile in case of primary fastener failure
The external fuel tank requires safety wire installation as a secondary containment measure.
O tanque de combustível externo requer a instalação de arame de segurança como medida de contenção secundária.
Safety wire is a critical component in aviation maintenance throughout Brazil and internationally, with strict regulatory requirements established by ANAC (Agência Nacional de Aviação Civil) in Brazil and FAA in the USA. Its use is mandatory in aerospace, aircraft maintenance, and high-performance motorsports, reflecting the importance placed on equipment integrity and safety in these industries.
Synonyms / Sinônimos
locking wiresafety lock wirelock wirecastellated wire

Regional Variations

General Brazilian Portuguese
arame de segurança
Standard term used in aviation and industrial maintenance
Brazil (Technical)
fio de travamento
Alternative technical term used in aerospace and automotive industries
Portugal
arame de segurança
Same as Brazilian Portuguese; used in European aviation standards
São Paulo (Aviation Hub)
arame de travamento de segurança
More formal designation used in official maintenance documentation

Related Words

fastenerboltriggingsecuring devicesafety cotter pinlock nut

Related Idioms & Phrases

to safety wire something down
safety wire installation
double-loop safety wire
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