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1.5
Certification
The conditions and tests required for TSO approval of this article are minimum performance standards. It
is the responsibility of those installing this article either on or within a specific type or class of aircraft to
determine that the aircraft installation conditions are within the TSO standards. TSO articles must have
separate approval for installation in an aircraft. The article may be installed only if performed under 14
CFR part 43 or the applicable airworthiness requirements. At the time of publication, installation of this
TSO approved article is only approved when installed in an aircraft as part of a Garmin Integrated Flight
Deck.
1.5.1 GMU 44 TSO/ETSO Compliance
Function
Direction Instrument,
Magnetic (Gyroscopically
Stabilized)
1.5.2 GRS 77 and GRS 77H TSO/ETSO Compliance
The following table applies to both the GRS 77 and the GRS 77H units.
Function
Turn and Slip Instrument
Bank and Pitch Instruments
Direction Instrument,
Magnetic (Gyroscopically
Stabilized)
Page 1-4
Revision L
TSO/ETSO/SAE/
Category
RTCA/EUROCAE
TSO-C6d
ETSO-C6d
AS8013A
TSO/ETSO/SAE/
Category
RTCA/EUROCAE
TSO-C3d
Instrument
ETSO-C3d
Type II
AS8004
TSO-C4c
Turn Error,
ETSO-C4c
Category A
AS8001
TSO-C6d
ETSO-C6d
AS8013A
Applicable
Applicable LRU
Custom Logic
SW Part
Device Part
Numbers
Numbers
All
006-B0224-(__)
except
006-C0048-0(_)
006-B0224-Z(_)
Applicable
Applicable LRU
Custom Logic
SW Part
Device Part
Numbers
Numbers
All
006-B0223-(__)
except
006-C0049-0(_)
006-B0223-Z(_)
All
006-B0223-(__)
except
006-C0049-0(_)
006-B0223-Z(_)
All
006-B0223-(__)
except
006-C0049-0(_)
006-B0223-Z(_)
GRS 77/GMU 44 Installation Manual
All
All
All
All
190-00303-10
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