RMI-733: Digital Indicator

The Collins series of digital Radio Magnetic Indicators (RMIs) and Radio/Distance Magnetic Indicators (RDMIs) includes the RMI-733 and RDMI-743 system numbers.

These instruments share a number of common features including electrical, servo, thermal, packaging and lighting design, as well as product serviceability.

All units interface with new technology sensors. The following table indicates the specific part number and unique features application to the listed aircraft types.

Type	Part Number	Aircraft	Select Knobs	Bezel Color	Notes
RMI-733	622-5002-502	A-300-600 A-310	Yes	Gray	Dual pointers indicate bearing to station for either ADF or VOR mode. No DME readout.
RMI-733	622-5002-503	A-320	No	Blue-Gray	Same as 622-5002-501 except for color.
RMI-733	622-5002-504	A-320	Yes	Blue-Gray	Same as 622-5002-502 except for color.
RMI-733	622-5002-501	A-300-600 A-310	No	Gray	Dual pointers indicate ADF bearing to station.
RMI-733	622-5002-207	737	Yes	Boeing gray	Dual pointers indicate bearing to station for either ADF or VOR mode. No DME readout.
RMI-733	622-5002-203	757/767	Yes	Boeing brown	Dual pointers indicate bearing to station for either ADF or VOR mode. No DME readout.
RMI-733	622-5002-205	767	No	Boeing brown	Same as 622-5002-203 except without switches. Displays ADF bearing only.
RBA-701 RMI Bearing Annunciator	622-6006-002	757/767	NA	Boeing brown	Dual prism indication of mode selection (ADF or VOR) on the RMI-733.

Note(s):

Alternate statuses of these and other equipments may be required in specific aircraft installations. A complete system requires the above listed items plus other miscellaneous accessories. Consult the equipment descriptions in this section and your local Collins representative.