NASA Acronyms

Alphabetical Listing of NASA Acronyms

• HX — Heat Exchanger
• HXIS — Hard X-ray Imaging Spectrometer
• HYD — Hydraulic Subsystem
• HYD — HYdraulics
• HYDROGEN — Purge
• HYDROGEN — ReHydrogen Relief
• HYG — LHypergolic
• HYPACE — Hybrid Programmable Attitude Control Electronics
• HZ — Hertz (Cycles Per Second)
• I — NTC/0INTC/0Integrated Checkout
• I — LAS Instrument Landing Approach System
• I — LSP IntegratedLogistics Support Plan
• I — DAC Integrated Digital-Analog Converter
• I — DAS Integrated Data Acquisition System
• I — DPS Interface Digital Processor
• I — ECM Induced Environment Contamination Monitor
• I — ECO Inboard Engine Cutoff
• I — LCCS Integrated Launch Control And Checkout System
• I — D&CA Inverter Distribution And Control Assembly
• I — FIntermediate Frequency
• I-LOAD — Initial-load
• I@@PL — Implement
• IACS — Inertial Attitude Control System
• IAD — Interface Agreement Document
• IAD — Interface Analysis Document
• IAL — Immediate Action Letter
• IAL — International Algebraic Language
• IARS — Independent Air Revitalization System
• IAS — Impact Assessment Sheet
• IAS — Indicated Airspeed
• IAS — Integrated Avionics System
• IASS — Inverter/ATCS Support Structure
• IAT — Integrated Avionics Test
• IAV — Inventory Adjustment Voucher
• IB — Inboard
• IB — Inert Building
• IB — Instruction Book
• IBF — Internally Blown Flap
• IBM — International Business Machines
• IC — Intercomputer Communication
• IC/ES — Intercommunication/Emergency Station
• ICA — Item Change Analysis
• ICAO — International Civil Aviation Organization
• ICAO — International Civil Aviation Organization
• ICAR — Investigation And Corrective Action Report
• ICB — Interim Change Bulletin
• ICB — Interrupt Control Block
• ICC — Intercomputer Channel
• ICC — Intercomputer Communication
• ICC — Interface Control Chart
• ICC — Interstate Commerce Commission
• ICCB — Integrated Change Control Board
• ICCP — Interface Coordination And Control Procedure
• ICD — Interface Control Document
• ICDR — Incremental Critical Design Review
• ICDU — Inertial CouPling Data Unit
• ICE — Input Control Element
• ICF — Interface Control Function
• ICG — In-Flight Coverall Garment
• ICH — Interchanger
• ICIO — Interim Cargo Integration Operations
• ICMO — Integrated Configuration Ianagement Office
• ICMS — Indirect Cost Management SYstem
• ICMT — Intercontract Material Transfer
• ICO — Integrated Checkout
• ICOS — Improved Crew Optical Sight
• ICOU — Inertial Coupling Data Unit
• ICP — ICS Control Program
• ICR — Instruction Change Request
• ICT — Influence Coefficient Tests
• ICTC — Interface Control Tool Ing
• ICW — Interrupted Continuous Wave
• ICWG — Interface Control Working Group
• ID — Identification
• IDA — Interface Display Assembly
• IDB — Lnsuit Drink Bag
• IDC — IMBLMS Digital Computer
• IDC — Integrated Displays And Controls
• IDC — InterfaceDocumentControl
• IDCA — Inverter Distribution And Control Assembly
• IDD — Interface Definition Document(s)
• IDE — Initial Design Evaluation
• IDENTIFICAT — Identification Data
• IDG — Integrated Drive Generator
• IDI — InstrumentationDataItems
• IDMM — Intermediate And Depot Maintenance Manual
• IDO — InterdivisionalOperations
• IDP — Integrated DataProcessor
• IDR — Initial Design Review
• IDR — InterimDiscrepancyReport
• IDR — IntermediateDesignReview
• IDRD — Information Definition Requirements Document
• IDRD — Internal Data Requirement Description
• IDS — Interface Data Sheet
• IDS — Item Description Sheet
• IDSD — Institutional Data System Division (JSC)
• IDSO — Interdivisional Sales Order
• IDT — I-load Data Tape
• IDTA — Interdivisional Technical Agreement
• IDU — Interface Demonstration Unit