Garmin G1000 Manual page 336

FLIGHT MANAGEMENT
22) The IAF is the next waypoint. At the TOD, establish a descent vertical speed as previously discussed in Step 16.
The aircraft altitude is 9,000 feet upon reaching HABUK.
Figure 5-149 Descending Turn to the Initial Approach Fix (IAF)
322 Garmin G1000 Pilot's Guide for the Socata TBM 850/900 190-00709-05 Rev. D