ALOA CPL flashcards
ALOA CPL · Build recall with a focused review session.
32 cards. Read the term and the definition here. The deck at the top of this page is optional.
- Master key system
- A keying arrangement where one key operates a group of locks while each lock also has its own change key; built on multiple shear lines per chamber.
- Change key
- The lowest-level key in a master key system; it operates only its own lock and cannot operate the master or other change locks.
- Grand master key
- The top-level key in a three-level system; it operates all locks under it, including all masters and change locks.
- MAC (maximum adjacent cut)
- A rule limiting how much adjacent key cuts may differ, preventing key binding and unintended key operation in a pin tumbler cylinder.
- Pin stack height
- The combined height of bottom pin, master pin, and top pin; each stack must reach the correct shear line for every key level.
- Keyed-alike
- A condition where two or more locks share the same bitting and are operated by the same key.
- Shear line
- The boundary between the plug and the cylinder shell; pins must align here for the plug to rotate and the lock to open.
- Progression order
- A systematic sequence for generating change-key bittings under a master key, controlling how many usable keys a system yields.
- Transponder key
- An automotive key containing a passive RFID chip energized by the vehicle antenna; the chip ID must be programmed to the immobilizer to start the engine.
- Smart key
- A passive push-to-start fob using LF challenge and RF response; each fob carries a unique ID and secret for authentication.
- Immobilizer system
- A vehicle anti-theft system that verifies a key chip ID before allowing the engine to start; failed attempts may trigger a lockout.
- All-keys-lost procedure
- The make-specific process for adding a key when none exist, often requiring a PIN, seed-and-key calculation, or module access.
- Sidewinder keyway
- A high-security automotive key design with cuts on the side of the blade, requiring code cutting or specialized impressioning.
- Key code series
- A manufacturer's organized set of bittings by make, year, and code range, used to cut a key from a code number.
- Transponder cloning
- Copying an existing chip ID onto a blank so it matches the original; distinct from adding a new key to the immobilizer.
- OBD programming
- Adding or programming a vehicle key through the on-board diagnostic port, often requiring a security PIN or online token.
- Chain of custody
- A documented record of every transfer and handling of evidence, showing who had it, when, and for what purpose.
- Class characteristics
- Features shared by a group of manufactured items, such as a tool's general shape, used to narrow the possible source of a mark.
- Individual characteristics
- Unique features such as wear, nicks, and striations that can link a specific tool to a specific mark.
- Forced entry
- Entry achieved by physical force, leaving tool marks, deformation, or bent bolts that can be documented and compared.
- Surreptitious entry
- Entry made without leaving obvious evidence, such as picking, impressioning, or use of a key.
- Latent print preservation
- Handling keys and cylinders by edges and packaging porous items in paper to avoid contamination and preserve prints or DNA.
- Report observation vs opinion
- A report separates documented measurements and observations from interpretive conclusions, so each conclusion is supported by stated findings.
- Access timeline
- A reconstruction using key control records, access logs, and alarm events to establish who could have accessed a lock and when.
- TL-15 rating
- A safe rating indicating tested resistance to tool attack for 15 minutes; higher TL numbers indicate longer tested resistance.
- TRTL-30 rating
- A safe rating indicating tested resistance to torch and tool attack for 30 minutes.
- Wheel pack
- The set of numbered wheels in a combination lock that must align at the correct gate positions for the fence to drop.
- Fence and gates
- The fence is the lever that drops into the wheel gates; it enters only when all wheels align at the correct numbers.
- Contact points
- Dial positions where resistance is felt as the wheels are turned; the difference between left and right contact points reveals wheel width and gate location.
- Relocker
- A device that fires during attack, permanently blocking the boltwork so the safe cannot be opened even if the lock is defeated.
- Drill point
- A manufacturer-specified location on a safe door for drilling to reach the lock or relocker, followed by repair with a plug.
- Media fire rating
- A rating such as 125°F indicating the internal temperature limit for protecting data media, distinct from document fire ratings.