Magnetic Compass, Gyroscopic Instruments, and G-Meter
Inexpensive G-meter available for certified aircraft - AOPA
Accelerometer (G-meter)--Falcon Gauge
AIRCRAFT 'G' METER - £57.80 | PicClick UK
Simple Accelerometer
FLIGHT DATA G-METER GT-50 12V / 28V | Aircraft Spruce
FALCON GM510-3 G-METER from Aircraft Spruce Europe
On a passenger airplane, is there an instrument that measures the g-force acting on the crew and passengers? If yes, where in the cockpit is it usually? - Quora