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(2024) Service Bulletin 24052 Rev A: GI 275 Multi-function Instrument Installation in MD Helicopters, LLC 369D, 369E, 369F, 369FF and System Software Version 3.20
PRODUCTS AFFECTED:
GI 275 Multi-function Instruments installed under the GI 275 Part 27 AML STC SR01980WI are affected.
CERTIFICATION AUTHORIZATION:
STC SR01980WI
COMPLIANCE:
Optional: STC Service Bulletin 24052 is optional and may be incorporated at the owner’s discretion.
DOCUMENTATION CONSIDERATIONS:
The documents in Table 1 are required to be issued to the rotorcraft owner/operator before the rotorcraft is returned to service, if not already provided.
Table 1
| Document Title | Part Number | Revision |
| GI 275 Part 27 AML STC Maintenance Manual with ICA | 190-02246-C2 | 5 |
| GI 275 Part 27 AML STC Rotorcraft Flight Manual Supplement | 190-02246-C3 | 4 |
The GI 275 Pilot’s Guide, Garmin P/N 190-02246-01, Rev Q has been updated to reflect GI 275 Multi-function Instrument Software Version 3.20.
PURPOSE:
This STC Service Bulletin provides notification of an update to STC SR01980WI Master Drawing List Revision 6.
This STC update adds approval for the installation of the GI 275 Multi-function Instrument into the following MD rotorcraft:
- 369D
- 369E
- 369F
- 369FF
This STC update also adds approval for GI 275 Software Version 3.20 which provides the following updates:
- Selectable along-track waypoints
- Optional display of supplementary altitude units (meters/feet)
- Multiple Weather Report Viewing
- Improved traffic and terrain popup management
- Synchronized message flashing between GI 275 and other Garmin LRUs
- Improved distance to destination MFD data
- Support for a new G-meter display option on the Miscellaneous field on the ADI and HSI pages
WARRANTY INFORMATION:
This modification is not warranty reimbursable.