Boeing Directory - a glossary of terms. The letter U.
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Boeing Directory - a glossary of terms. The letter U.

Boeing Directory - a glossary of terms. The letter U.

 

 

ULTRA HIGH FREQUENCY

Ultra High Frequency, Frequency range between 300 and 3000 MHz.

UNIT

Blocks, a single component.

UPLOCK

CASTLE retracted position, the mechanism of the chassis at the front to keep the chassis in the retracted position in the bay of the chassis.

UHF, cm.-ULTRA HIGH FREQUENCY.

UNDERCARRIAGE, sm.-LANDING GEAR.

UPSET HEAD

Saw off the head, the head, made at the end of the rivet at the time of the installation process. (See. Manufactured Head).

 

 

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