ILS Controls and Instruments

T-45C TS INav-04; ADV INav-02

Components and Characteristics of the Instrument Landing System (ILS)

HIRLs and MIRLs are variable in intensity whereas LIRLs

normally have only one intensity setting

Pilots may request approach control to vary intensity of the

lights to help identify runway when ground lights make it

difficult to pick out. Some airports have lights controlled

from the air by the pilot by keying his VHF radio

IV. ILS Controls and Instruments 2.9.4.6.3, 2.9.4.6.2.1

A. Controls

Sg 5, fr 2-6

Fig 5: ILS Controls &

1. Communication Control Panel

Instruments

2. TACAN Control Panel

3. VOR Control Panel

B. Instruments

Fig 6: ILS Navigation

Instruments

1. ADI

2. HSI

3. Marker Beacon Lights

C. Procedure

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1. Controls:

ILS Controls and

Instruments

a. Check HSI FWD/AFT option on the HSI display, and COMM1

and COMM 2 are selected for the desired cockpit (FWD or

AFT)

b. Tune ILS approach frequencies on VOR Control Panel

(1) ILS operates on odd decimal frequencies (108.10 to

111.95)

(2) VOR operates on even frequencies (108.0 to 111.85 and all

112.00 to 117.95)

Select VOR to the ON position on Communication Control

Panel for localizer audio identifier signal

NOTE: Remember an ILS/LOC frequency always has a four

letter identifier beginning with the letter “I”

d. Adjust volume by twisting the RCVR knob on the

Communication Control Panel

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(2-02) Original