Acronym: HAC

Category: NASA Acronyms Meaning / Stands for: Heading Alignment Cylinder

Other acronyms from this category

	Acronym	Meaning
	ECI	Earth Centered Inertia (inertials)
	RESVR	Reservoir
	SIL	Sound Interference Level
	HIGH	RatioMultiplier
	EMG	Electromyograph(gram)
	PSIG	Propulsion Systems Integration Group
	BTC	Bus Tie Contractor
	TRL	Test Readiness List
	GOAL	GrGOALGround Operations Aerospace Language
	OAC	Quality Assurance Chart