AVGS Activity Models
Reference

Acronym Glossary

Alphabetical reference of every acronym used across the AVGS activity models, domain pages, requirement decomposition guide, and presentation. Each entry links to the pages where it appears.

-
O-Level
Organizational Level

Level of maintenance performed at the squadron — fault isolation, minor repair, troubleshooting.

A
JAMA
Jama Connect

Requirements management platform used as the system of record for parent-child requirement traceability.

B
CBM+
Condition Based Maintenance Plus

Condition monitoring and predictive analytics that shift maintenance from time-based to evidence-based using HUMS data and RUL estimation.

C
CCB
Configuration Control Board

Approves baseline changes to requirements, architecture, and artifacts after initial approval.

Used in:Perspectives
MC
Mission Capable

Aircraft status metric — ready to perform at least one tasked mission, though possibly with some limitations.

TCTO
Time Compliance Technical Order

Urgent modification or inspection directive with a calendar or flight-hour deadline.

D
CDR
Critical Design Review

Government milestone review where the preliminary design is examined for maturity and risk before proceeding to fabrication.

FDR
Flight Data Recorder

Onboard device that records flight parameters. Owned by Air Vehicle, not Ground Systems.

IDE
Integrated Data Environment

Enterprise repository where processed AVGS data is uploaded with provenance, hashes, and access controls.

PDR
Preliminary Design Review

Government milestone review examining system requirements and preliminary design before detailed design begins.

E
IETM
Interactive Electronic Technical Manual

Digital interactive maintenance procedures used by maintainers in the field.

Used in:Domains
F
AFI
Air Force Instruction

Air Force regulatory and procedural guidance documents referenced in requirement rationale.

MFOQA
Military Flight Operations Quality Assurance

Detects flight events and exceedances from recorded flight data to improve safety and training.

G
eGSE
electric Ground Support Equipment

Electric-powered GSE variant adopted by airlines for reduced emissions and noise.

Used in:About
I
BIT
Built-In Test

Self-test capabilities on aircraft that generate fault codes and health indicators received by AVGS.

J
CJP
Common Junction Panel

Aircraft data interface point. Ground Systems instrumentation may connect to it, but Ground Systems does not own it.

L
ILS
Integrated Logistics Support

Plans and manages spares, tools, training, and facilities so maintenance demand can be executed.

PLM
Product Lifecycle Management

Enterprise system anchoring the digital thread across engineering, manufacturing, and sustainment records.

M
FMC
Fully Mission Capable

Aircraft status metric — ready to perform all tasked missions with no deficiencies.

MMS
Maintenance Management System

System where fault codes, CBM+ alerts, and TCTOs become scheduled, executed, and signed-off work orders.

PM
Program Manager

Leadership role responsible for program execution, cost, schedule, and technical performance.

Used in:Perspectives
PMO
Program Management Office

Organization responsible for overall program direction, funding, and stakeholder coordination.

Used in:Domains
PMC
Partial Mission Capable

Aircraft status metric — able to perform at least one but not all tasked missions due to deficiencies.

PMA
Portable Maintenance Aid

Handheld or laptop device used by maintainers to access aircraft data on the flight line.

SME
Subject Matter Expert

Domain expert who validates intent and definitions. Mohammed and Feras are Reliability Engineering SMEs.

O
ROC
Rate of Climb

Flight parameter measured in feet per minute. Exceedances detected by MFOQA analysis.

ROD
Rate of Descent

Flight parameter measured in feet per minute. Exceedances detected by MFOQA analysis.

TO
Technical Order

Authoritative maintenance, inspection, and operational procedures published by Tech Pubs.

P
APU
Auxiliary Power Unit

Onboard aircraft power unit. Ground power units (GPUs) substitute for the APU while engines are off.

Used in:About
GPU
Ground Power Unit

Supplies electrical power to aircraft while engines are off. Example: JetGo iBS-28.

Used in:About
IPT
Integrated Product Team

Cross-functional team structure used in defense programs to manage requirements by domain.

TPDM
Technical Publications Data Management

System or process for authoring, revising, and publishing technical manuals and inspection procedures.

Used in:Domains
R
ARB
Architecture Review Board

Approves naming, behavior, and allocation changes before requirements enter JAMA. Preserves architectural baseline.

FR
Fleet Readiness

Rolls up aircraft availability, mission capability, and readiness reporting to leadership.

SRR
System Requirements Review

Government milestone review examining system requirements for completeness, consistency, and feasibility.

TRR
Test Readiness Review

Gate that authorizes verification activities to begin by confirming test procedures, resources, and entry criteria are met.

Used in:Perspectives
S
ASIP
Aircraft Structural Integrity Program

Tracks fatigue life consumption, damage tolerance, and airworthiness across the structural lifecycle. Also referred to as 'Integrity'.

GSE
Ground Support Equipment

Machinery and tools that service aircraft on the ground — tugs, power units, refuelers, deicers, stairs, etc.

PSE
Product Support Equipment

Equipment that enables maintenance and sustainment. Includes the Mission System Power Pack Cradle.

T
DT
Digital Thread

Enterprise data backbone tying as-designed, as-built, and as-maintained records together over the asset lifecycle.

U
HUMS
Health and Usage Monitoring System

Onboard system collecting vibration, temperature, pressure, and oil debris data for CBM+ prognostics.

RUL
Remaining Useful Life

CBM+ estimate of how much operating time remains before a component requires replacement or overhaul.

V
AVGS
Air Vehicle Ground Support (Air Vehicle Ground Support Equipment)

Umbrella system that ingests aircraft data on the ground and feeds every downstream analytical and sustainment domain. Sometimes referred to as Air Vehicle Ground Support Equipment (AVGSE).

Missing an acronym? This glossary is generated from the current portal content. If you encounter an unexplained acronym, it should be added to the relevant domain or guide page so it appears here automatically.