90-10 C023-34 Tailcone Assembly
Refer to Figure 90-1. The C023-34 tailcone assembly has provisions for two upper-mounted
antennas and two lower-mounted antennas and NAV. Refer to § 6-80 for antenna locations.
Refer to § 53-40 for tailcone assembly maintenance procedures.
90-20 C060-3 Interior Light Installation
Refer to Figure 90-1. The C060-3 interior light installation is installed above the observer’s
seat, and has a floor-mounted switch.
A. Schematic
Refer to Figure 90-2 for C060-3 interior light installation wiring schematic.
90-30 C069 Cyclic Control Assembly
Refer to Figure 90-1. On earlier Police helicopters, the C069-9 cyclic control assembly
was modified for clearance with the LCD monitor. The copilot removable grip assembly
(transmit wiring) was omitted and the C058-11 grip weldment was plugged. A second grip
was installed on the cyclic stick.
Refer to § 67-10 for cyclic control and grip assembly maintenance procedures.
A. Schematic
Refer to Figure 90-3 for C058-11 grip assembly wiring schematic.
90-40 C430-2 Five-Point Harness Installation (Optional)
Refer to Figure 90-1. The C430-2 five-point harness installation was optional equipment
for earlier Police helicopters, and now is optional for all R66 Turbines (see § 6-10 for
version descriptions).
Refer to § 25-10 for seat harness maintenance procedures.
90-50 C599 Airspeed Indicator
Police version airspeed limitations (130 knot Vne, KM/H) differ from standard version
helicopters (140 knot Vne, KM/H) due to external equipment. On earlier Police helicopters,
two indicators were available: one with kilometers per hour for primary markings and one
with miles per hour for primary markings. On later Police helicopters, only an indicator with
miles per hour for primary markings is approved.
Refer to § 95-22 for maintenance procedures. Refer to § 90-150 or § 90-155 EFIS
Installation for equipment removal instructions prior to removing instrument face.
JUL 2020 Chapter 90 Police Version Page 90.5
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