What does LOI stand for?

Andre International Inc., McMinnville, OR - Manufacturer code for watercraft hull identification number (USCG)

Laboratory Operating Instructions (MCD)

Lack of Interest (CAL)

Laredo - Texas - Airport symbol (AD)

Laredo, TX - Location identifier - FAA (FAAL)

Launch-on-Impact - Military (MUSM)

Letter of Indemnity (RIMS)

Letter of Instruction

Letter of Intent (ACAE)

Letter of Interest (NG)

Letter of Introduction

Level of Incompetence (DMAA)

Level of Injury - Neurology (DAVI)

Lightning-Caused Occurrence Index - Weather Information Management System, US Fire Service

Limited Oxygen Index - Safety standards

Limiting Oxygen Index

Limit of Impurities

Line of Induction

List of Items (AABC)

Lock-On Initiated (MCD)

Lodge of Instruction - Freemasonry

Loma - Language code (ETLW)

Longines - NCIC firearms make code (NCIC)

Loss of Imprinting - Genetics

Loss-of-Input (COE)

Loss on Ignition - Analytical chemistry

Loss-on-Ignition (SAUO)

Lunar Orbit Insertion - NASA