## H 

HAA—Height Above Airport HAR—High Altitude Redesign HAT—Height Above Touchdown HAZMAT—Hazardous Materials HDD—Head-Down Display HF—High Frequency HGS—Head-up Guidance System HIWAS—Hazardous In-flight Weather Advisory Service HSI—Horizontal Situation Indicator HUD—Head-up Display 

## I 

IAF—Initial Approach Fix IAP—Instrument Approach Procedure IAS—Indicated Air Speed ICAO—International Civil Aviation Organization IF—Intermediate Fix IFR—Instrument Flight Rules IIMC—Inadvertent Instrument Meteorological Condition ILS—Instrument Landing System IMC—Instrument Meteorological Conditions INS—Inertial Navigation System IOC—Initial Operational Capability IRU—Inertial Reference Unit 

## K 

KIAS—knots indicated airspeed KLAX—Los Angeles International Airport KLMU—Monroe Regional Airport 

## L 

LAAS—Local Area Augmentation System LAHSO—Land And Hold Short Operations LDA—Localizer-type Directional Aid; Landing Distance Available LF—Low Frequency LNAV—Lateral Navigation LOC—Localizer LOM—Locator Outer Marker LPV—Localizer Performance with Vertical Guidance LTP—Landing Threshold Point LVL CHG—Level Change 

## M 

MAA—Maximum Authorized Altitude MAHWP—Missed Approach Holding Waypoint MAMS—Military Airspace Management System MAP—Missed Approach Point MCA—Minimum Crossing Altitude 

