What does RI stand for?

Right Inboard

This definition appears very rarely and is found in the following Acronym Finder categories:

Military and Government
Science, medicine, engineering, etc.

Other Resources:

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Respiratory Infection (illness) Restricted Issue Retention Index Retreats International Reverse Integration (computer source code merge promotion process) Review Item Rex Imperator (Latin: King Emperor; British imperial title) Rhode Island (US postal abbreviation) Rhythmic Initiation (PNF technique) Rieti, Lazio (Italian province)		Righteous Indignation Rigorous Imprisonment (police) Rijeka, Croatia (license plate) Ring Indicator (for Modem) Ring It Rinnovamento Italiano (Italian Renewal Party) Rise Inside (band) Risk-Informed (Nuclear Power) Risques Industriels (French: Industrial Risks) Robotics Institute

Samples in periodicals archive:

Investigators have completed a meticulous tear-down of TWA Flight 800's right inboard engine and sent debris that had been sucked into the apparently still-running engine to FBI and National Transportation Safety Board labs.

DEBRIS IN JET ENGINE COULD PROVIDE CLUES TO SITE OF TWA BLAST

The service bulletin was drafted after an airline discovered fuel leaking from an 18-inch fatigue crack that started in a front-spar fastener hole just above the right inboard engine.

MECHANICAL FAILURE EYED IN PROBE OF TWA JET CRASH POSSIBLE STRUCTURAL ...