Specify 14 or 28 Volt.
FAA Approved Model List:
- Two button control system
- Sunlight readable display
- Display annunciators for UTC, Local Time, Flight Time and Elapsed Time
- Flight time recorded in minutes
- ET countdown alarm
- One button control steps through Voltage, OAT in F and C
- 2 1/4 Instrument round mount
- Three year battery backup
If your airframe is not shown on the list, it is recommended a FAA form 337 should be filed with the local FSDO.
- Bell Helicopter Textron Model 407