Garmin SERVICE ALERT,NO.: 1465 Rev A

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PRODUCTS AFFECTED

GRS 7800 AHRS units installed in G1000 equipped King Air 200/B200/300/B300 series aircraft are affected.

ISSUE

Heading and/or attitude information may become unavailable when flying north of 65° North latitude.

PILOT ACTION

To prevent the potential loss of attitude and heading displays, activate DG Free Mode during the following circumstances:

· When flying north of 65° North latitude

· Immediately after power on when taking off from a location that is north of 65° North latitude

To activate DG Free Mode (see Figure 1):

1. Press the PFD Softkey.

2. Press the HDG MODE Softkey.

3. Press the DG FREE Softkey to activate DG Free Mode. Press the DG SLAVE Softkey to deactivate DG Free Mode.

Figure 1

Contact your local Garmin dealer for implementation of Garmin Service Bulletin 1464.

RESOLUTION

This issue will be resolved in a later software release.

Papatron

35 years component-level Aviation/Electronics repair/Avionics retrofit experience. FCC General Radiotelephone with Ship Radar. Navcom-Audio, Transponder-Pulse-Radar, Autopilot expertise. IT Administration since 1983. Private Pilot since 1986. CAD designer since 1990. FAA Certified Repair Station Chief Inspector since 1994. Started 3 Avionics Shops. College: Business Administration/Marketing. Motorcycle enthusiast. 6 year USAF Veteran, Ground Radio Equipment Technician (30474, E-5). WordPress novice.

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