TGH Aviation offers aircraft component repair on the following Bell Helicopter Models. Below is a list of the most commonly requested and does not eliminate capabilities on other instruments used in this make of aircraft. If you have an instrument not listed below, please call our Sales Department at 1 (800) 843-4976.
| AIRCRAFT | P/N | MFG | NOMENCLATURE |
| BELL 206 | 4300-8220L | GENERAL DESIGN | ARTIFICIAL HORIZON |
| BELL 206 | RCA15BK-1 | RC ALLEN | DG |
| BELL 206 | RCA26BK-12 | RC ALLEN | ATTITUDE GYRO |
| BELL 412 | 214-075-244-001 | GENERAL DESIGN | RATE GYRO |
| BELL 412 | 2593996-333 | SPERRY | TARSYN |
| BELL 412 | 4020936-903 | SPERRY | TARSYN |
