TSO and PMA are this type of approval.
Manufacturing approvals
PFD
Primary Flight Display
Garmin refers to aviation Ethernet as this.
HSDB
Weather info on ForeFlight can be displayed using this government service with an ADS-B in source.
FIS-B
The IFD is a slide in replacement for this series of Garmin navigators.
GNS
This AC allows replacement of TSO’d parts with other parts meeting the same TSO.
AC20-41A
MFD
Multi Function Display
Bosch developed this communication protocol currently used by Garmin G5s.
CAN Bus
Street addresses can be used to create these flight plan features.
Custom waypoints
The IFD connects to an iPad using this method.
WiFi
These are the determining factors for a major repair or major alteration.
The repair/alteration appreciably affects the operating characteristics of the aircraft.
EFIS
Electronic Flight Information System
When safe to do so.
Rerouting your flight plan can be done by touching the course line and dragging, a feature known as this.
Rubber banding
From a user standpoint, this is a major drawback to the IFD.
Different logic than Garmin.
The two ways parts are approved for installation on aircraft that alter the original type design are these.
STC or Field Approval
ADAHRS
Air Data and Attitude and Heading Reference System
An advantage to modern digital communications protocols over analog is this.
Less wiring or simplicity
Items such as FBO details can be found under this tab.
Airports
An IFD install in a Cessna 172 would be done using an STC granted for this part of 14CFR.
23
These two regulations in part 91 list the required inspection intervals for altitude reporting equipment and transponder inspection.
411 and 413
LRU
Line Replaceable Unit
The best way to know your avionics, in addition to practicing their use, is this.
RTFOM
Route advisor shows commonly issued routes from this service.
ATC
A gap in route means two or more of these aren’t connected.
Waypoints