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This information may not be accurate or current and is not valid for navigation, flight planning, or for use in flight.
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BOS - GENERAL EDWARD LAWRENCE LOGAN INTL
BOSTON, MA
INSTRUMENT APPROACH TO RUNWAY 04R
APPROACH AIDS INFORMATION AS PUBLISHED ON 22 OCTOBER 2009
ILS/DME (CAT. III) RWY 04R
Approach bearing
Magnetic bearing: 036
True bearing: 020
Magnetic variation: 16W
Localizer information
Type: ILS/DME
Frequency: 110.30 MHz
Identification code: I-BOS .. -... --- ...
Antenna location: 42-22-55.973N / 070-59-48.191W
Course width: 3.67 degrees
Glide slope information
Type: STANDARD GLIDE SLOPE
Glide slope angle: 3.00 degrees
Antenna location: 42-21-21.825N / 071-00-24.545W
-2171 ft. in from approach end of runway 04R
Runway elevation at GS: 16.40 ft. MSL
DME information
Channel: 040X (tune to 110.30 MHz)
Transponder location: 42-22-57.541N / 070-59-51.056W
Outer marker information
Type: OUTER MARKER BEACON & COMPASS LOCATOR
Name: MILTT
Frequency: 375 kHz
Identifier: BO -... ---
Location: 42-16-25.524N / 071-02-56.951W
4.9 nm (29929 ft.) from the approach end of runway 04R
Middle marker information
Type: MIDDLE MARKER BEACON ONLY
Location: 42-20-53.183N / 071-00-47.616W
0.2 nm (1144 ft.) from the approach end of runway 04R
Inner marker information
Type: MARKER BEACON ONLY
Location: 42-21-04.707N / 071-00-39.908W
0.2 nm (978 ft.) from the approach end of runway 04R
Remarks
- ILS CLASSIFICATION CODE IIIE
