KX 155A NAV/COMM
HONEYWELL BENDIX KING® KX 155A is an upgrade to the popular and well-trusted KX 155 NAV/COMM transceiver. There are a number of new features that have been added, including:
760 COMM frequencies previously available only on some versions of the KX-155
Memory for 32 COMM frequencies,
Internal CDI,
GPS QuickTune allowing both NAV and COMM frequencies may be tuned from the GPS database when paired with a BENDIX KING® KLN-94 GPS,
Count up or down timer,
Stuck microphone alert. If the microphone is open for more than 33 seconds, the KX 155A issues a warning and stops transmitting,
Bearing to Station and Radial from Station display,
Silver Crown Plus styling,
Standard audio amplifier (previously available on some versions of the KX 155),
A version of the KX 155A is also offered with an internal 40 channel Glideslope Receiver, which will drive a Glideslope Indicator.
The KX 155A NAV/COMM can be used with the following BENDIX KING® Glideslope Indicators that contain an internal VOR/LOC Converter:
KI-204 VOR/LOC/Glideslope Indicator
KI-209 VOR/LOC/Glideslope Indicator
KI-209A GPS/VOR/LOC/Glideslope Indicator
KX 165A NAV/COMM
HONEYWELL BENDIX KING® Silver Crown Plus NAV/COMM transceivers are offered with either 25 kHz (-0101 model) or 8.33 kHz Comm Channel Spacing (-0201 model). The KX 165A (-0201 model) NAV/COMM is a slide in 8.33 kHz replacement for its predecessors, the KX 155A which is discontinued and KX 165A 25 kHz NAV/COMMs (-0101 model). Completely redesigned, it features programmable Comm channels, support for 8.33kHz Comm tuning, GPS Quick-Tune, a series of different operation modes, remote channel increment with flip-flop tuning ,and a built-in timer. In addition to its standard use, offering both active and standby navigation and communications frequencies, this NAV/COMM transceiver incorporates a number of new control features. These include the provision to program up to 32 Comm channels, enabling the pilot to store and readily recall the frequencies used on a regular basis. Pre-selected frequencies are stored in a non-volatile memory circuit, eliminating the need for backup battery power. When interfaced to the KLN 94 GPS, both the standby Comm and Nav frequencies can be selected and remotely tuned from the GPS database, reducing pilot workload.
The units’ remote channel increment capability (with flip-flop tuning) allows change of channels without needing the pilot to take hands off the yoke, a feature of special interest to helicopter operators. The stuck microphone alert is a safety enhancement as well as a convenience for the pilot and the people he communicates with. In addition to notifying the pilot of a problem, the KX 165A’s COMM transmitter will automatically shut down if the microphone is keyed continuously for more than 33 seconds. Other new features include a bearing-to-station mode and a radial-from-station mode. An internal Course Deviation Indicator (CDI) has been included for those times when an external CDI is being driven by the GPS receiver, and the KX 165A systems now include a handy elapsed-time and approach timer.
The KX 165A (-0201 model) features a built-in VOR/LOC converter, enabling it to directly drive a horizontal situation indicator (HSI). The timer function provides the pilot with a "stopwatch", ideal for timing a holding pattern, a non-precision approach or an individual trip leg. The timer can be programmed to count either upwards or downwards. Styling update includes a new faceplate for a more contemporary look matching other BENDIX KING® Silver Crown Plus avionics but also helps improve ergonomics and easier operation. For example, backlighting of the bezel nomenclature and knobs is now standard, speeding recognition and making night flying even easier. BENDIX KING® also improved the control knobs and buttons, providing a sturdier feeling and a greater sense of precision, for a difference you’ll both notice and appreciate. Both units’ displays double the amount of available presentation space, from one line of text information to two. Incorporating BENDIX KING® proven large, self-dimming gas discharge displays, the units’ readouts offer access to all 200 Nav and 2,280 Comm channels, along with 40-channel glideslope. Like other BENDIX KING® panel-mounted avionics, the KX 165As are backed by a comprehensive two-year "no-hassle" warranty.
Important Notes:
1) Bendix King KX155/165 Installation Kit PN: 050-01778-0000 is not included for NAV/COMM units. It can be supplied at additional cost.
2) Ordering of KX165 NAV/COMMs requires backordering to the manufacturer. Delivery time cannot be specified.
KX155A and KX165A NAV Functions
The HONEYWELL BENDIX KING® KX155A & KX 165A Panel-Mounted NAVCOMM Transceivers incorporate five different NAV operating modes which can be changed by simply pressing the NAV Mode button.
ON/OFF/VOLUME KNOB – activates the unit and adjusts the COMM volume to the desired listening level.
COMM DISPLAY – The left portion of the digital display is allocated to the active and standby COMM frequencies. A lighted ‘T’ signals a transmission is in progress; an ‘R’ shows the unit is in the ‘Receive’ mode.
COMM FREQUENCY SELECT KNOBS– These two concentric knobs control frequency, with the outer knob controlling MHz adjustments and the inner one kHz adjustments.
COMM TRANSFER BUTTON -This button transfers the active and standby frequencies on the display.
CHANNEL BUTTON – Used in conjunction with the COMM Frequency Select knobs to access up to 32 pilot-programmable COMM channels.
NAV DISPLAY -The right portion of the digital display is allocated to the active NAV frequency and a choice of additional navigation data.
NAV FREQUENCY SELECT KNOBS -These two concentric knobs control frequency, with the outer knob selecting 1 MHz and the inner 50 kHz increments.
NAV TRANSFER BUTTON -This button transfers the active and standby NAV frequencies, or resets and starts the timer (in timer mode).
NAV MODE BUTTON -Pressing this button causes the NAV display to change from the Active/Standby format to the Active/CDI format, permitting the OBS (Omni Bearing Selector) display to be shown. Further presses cycle the display to the Active/Bearing, Active/Radial and Timer modes.
KX 155A and KX 165A Specifications
Communication Transceiver
Frequency Range: 118.000 MHz to 136.975 MHz in 25 kHz increments, 118.0000 MHz to 136.9916 MHz in 8.33kHz increments (118.000 – 136.990 displayed per DO 186b and ED-23B) (8.33 kHz capable KX 165A only)
Frequency Stability: ±0.0008% (25 kHz versions), ±0.0003% (8.33 kHz KX 165A only)
Transmitter Output: 10W minimum
Sidetone Output: Adjustable to 100mW into 500Ω headphones
Navigation Receiver
Frequency Range: 108.00 MHz to 117.95 MHz in 50 kHz increments
VOR/LOC Sensitivity: 2µV (hard) or less on all channels for half flag deviation
Audio Output: With a 1 kHz tone 30% modulation at least 100mW output into 500Ω load
DME Channeling: Serial DME channeling provided for KN 62A, KN 63, KN 64, KDM 706/706A
Glideslope Receiver
Number of Channels: 40 at 150 kHz spacing
Frequency Range: 329.15 MHz to 335.00 MHz
Power Requirements: 27.5VDC, Receive, .6A, Transmit, 6.0A
Max. Altitude: 50,000 ft
Temp. Range: -20° to +55° C
Physical Dimensions:
Height: 2.00 in. (5.08 cm)
Width: 6.25 in. (15.87 cm)
Length: 10.16 in. (25.81 cm)
Weight (incl. GS): 4.2 lbs. (1.9 kg) (KX 155A) / 4.0 lbs. (1.81 kg) (KX 165A)
TSO Compliance: COMM Transmitter: C37d, COMM Receiver: C38d, NAV Receiver: C40c, C36e, VOR/LOC Converter: C40c, C36e (KX 165A only), Glideslope Receiver: C34e
Environmental Categories: DO-160c, A1D1/-BA/BMNPS/XXXXXXZB/AB/BATAXXX (KX 155A) - DO-160c, A1D1/-BA/BMNPS/XXXXXXAB/AB/BATA/A3E3/XX (KX 165A)
Notes on Offered USED NAV/COMMs
Condition: OVERHAUL. FAA term denoting that the item has been maintained in accordance of a specified “Overhaul Procedure” in the maintenance manual issued by the manufacturer. In the absence of such an Overhaul Procedure in the maintenance manual, FAA guidelines specify that the Supplier must test the item to determine any problems, disassemble, inspect, clean, repair as necessary, reassemble, test and align as required by the manual, and certify that the item meets manufacturer’s specifications.
Certification: FAA Authorized Release Certificate, Airworthiness Approval Tag - 8130-3 Form.
Condition: SERVICEABLE. FAA term denoting that the item has been repaired as needed, tested according to the manufacturer's procedure to meet the manufacturer's performance specifications and is legally approved for installation and use. Serviceable Condition is similar but not the same as Overhaul Condition. For certification as Overhauled, the item must be maintained in accordance of a specified “Overhaul Procedure” in the maintenance manual issued by the manufacturer. In the absence of such an Overhaul Procedure in the maintenance manual, FAA guidelines specify that the Supplier must test the item to determine any problems, disassemble, inspect, clean, repair as necessary, reassemble, test and align as required by the manual, and certify that the item meets manufacturer’s specifications. In the case of a “Serviceable” certification, if the item does not show any problems in operation and does not need any repair, is is usually not disassembled but only aligned to meet manufacturer's specifications.
Certification: FAA Authorized Release Certificate, Airworthiness Approval Tag - 8130-3 Form.
