Garmin G1000:Beechcraft Baron 58/G58 User Manual page 286

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 5-135 Descending Turn to the Initial Approach Fix (IAF)
5-140 Garmin G1000 Pilot's Guide for the Hawker Beechcraft C90A/GT 190-00663-00 Rev. A