Instruction Manual

Instructions for Continued Airworthiness 190-01190-11 Rev. 1
for G500H in Robinson R44 Series Rotorcraft Page 6 of 20
The installed G500H equipment can be accessed as described below:
1. GDU 620: FS 30.00, WL 42.5 Access or remove by removing the six screws in the bezel of
the GDU 620.
2. GRS 77H: FS 19.25, WL 30.0 Access or remove by tilting the instrument shroud to its open
position by removing four glareshield retaining screws.
3. GMU 44: FS 41.5, WL19.75 Access or remove by lifting the pilots seat bottom.
4. GDC 74H: FS 39.25, WL 15.75 Access or remove by lifting the co-pilots seat bottom. Then
remove the screws holding the divider plate to the forward half of the co-pilots seat box.
Remove the divider plate to gain access to the GDC 74H.
5. GTP 59: FS 42.5, WL 13.5 Access or remove by removing the center access panel on the
bottom of the helicopter.
2.2.1 Weight and Balance Information
Weight and Balance Robinson R44
[1]
L
ONGITUDINAL
[2]
LATERAL
[3]
I
TEM
P
ART
N
UMBER
W
EIGHT
(LB)
ARM
(
IN
)
MOMENT
(
IN
-
LB
)
ARM
(
IN
)
MOMENT
(
IN
-
LB
)
1
011
-
01264
-
6
0
GDU 620 (Unit Only)
6.38
30.00
191.4
1.5
9.57
GDU 620 (Installed
connector)
7.04
211.2
10.56
2
011
-
00868
-
20
GRS 77H (Unit Only)
2.80
19.25
53.9
0.0
0.0
GRS 77H (Installed with
b
rack
et
and
connector)
3.75 72.19 0.0
3
011
-
00870
-
10
GMU 44
(Unit Only)
0.35
41.50
14.53
17.5
6.13
GMU 44 (Installed with
b
rack
et
and
connector)
0.51 21.17 8.93
4
011
-
00882
-
11
GDC 74H (Unit Only)
1.70
39.25
66.73
-11.5
-19.55
GDC 74H (Insta
lled with
bracket and
connector)
2.00 78.5 -23