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BENDIX/KING KLN 90B
Rev 5, April/2003 10521I05.TDC Page 1-13
1.5 ACCESSORIES REQUIRED, BUT NOT SUPPLIED
A. Forced Air Cooling
A KA 33 Cooling Kit or equivalent is required for the KLN 90B installation.
1. KA 33 Blower for 14 VDC installations is available under P/N 071-4037-00.
2. KA 33 Blower for 28 VDC installations is available under P/N 071-4037-01.
3. The installation kit for the KA 33 Blower is available under P/N 050-02204-0000.
B. Indicators and HSIs
An indicator, CDI or HSI, is required for IFR. Listed below are common Honeywell models
that are available.
1. KI 202 (P/N 066-3034-XX) Navigation Indicator and installation kit
(P/N 050-01524-0000).
2. KI 206 (P/N 066-3034-XX) Navigation Indicator and installation kit
(P/N 050-01524-0000).
3. KPI 553A (P/N 066-3045-XX) Horizontal Situation Indicator and installation kit
(P/N 050-01791-XXXX).
NOTE
The DME distance display is not compatible with the
KLN 90B. KPI 553A used with the KNR 665 Digital
Gold Crown is not compatible.
4. KPI 553B (P/N 066-3069-XX) Horizontal Situation Indicator and installation kit
(P/N 050-02167-XXXX).
5. KI 525A (P/N 066-3046-XX) Horizontal Situation Indicator and installation kit
(P/N 050-01344-XXXX). Refer to section 2.4.1, KLN 90B OBS Resolver Calibration
Procedure for 30 Hz indicator calibration.
C. CDI Indicator with "MSG" and "WPT" Annunciators.
Some standalone CDI indicators are available with WPT/MSG annunciators built in. One
commonly used is the Model MD40-39, manufactured by Midcontinent Instrument, tele-
phone (316) 683-5619.
1.6 OPTIONAL ACCESSORIES
A. KA 90 Interface Adapter
Order P/N 071-01508-0101 or 071-01508-0202 for a KA 90 Interface Adapter. The KA 90
interfaces the KLN 90B with various other avionics in an aircraft. It converts GAMA 429
output to analog in order to drive mechanical HSI/CDI devices. It also converts analog
heading and HSI/CDI outputs into 429 data.