TB 43-0123
ID-250( )IARN
5826400-505-3094
JHJ
ID-250 ()/ARN Radio Magnetic Indicator
1
1. Brief Description: Radio Magnetic Indicator, ID-
2. Applicable Tools and Test Equipment:
250( )IARN provides automatic and continuous
Not applicable.
indication of magnetic bearing, relative bearing and
aircraft heading when used in conjunction with OMNI
3. Applicable Publications:
range receiving equipment, ADF equipment and
TM 11-5826-211-50
gyrosyne
compass;
will
continuously
and
TM 11-6605-202-12 (Pertains to AN/ASN43)
automatically provide dual ADF, dual ODR or ADF
TM 11-6605-202-24P (Pertains to ANIASN43)
and ODR information as required. Magnetic heading
TM 11-6605-202-35 (Pertains to AN/ASN43)
of the aircraft is indicated on a rotating dial and the
magnetic bearings are shown under the two pointers.
ll-B-42
