Honeywell
MK VI MK VIII EGPWS Installation Design Guide
Proprietary notice on title page applies
CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 060-4314-150 REV: SHEET 279
6.2.7 Latitude (110) - GPS
LATITUDE – GPS Source: ARINC 743(A) GPSSU
LABEL (Octal) 110 Units: Degrees Max. Range: ± 180 Degrees Approx. LSB: 0.000172 Deg
Data Bits: 9 to 28 = 20 + = North Sign Bit: 29 Pad Bits: None
Transmit Interval (mSec): 1000 Maximum Data Type: 2’s Complement Binary SDI Bits: 9, 10
6.2.8 Longitude (111) - GPS
LONGITUDE – GPS Source: ARINC 743(A) GPSSU
LABEL (Octal) 111 Units: Degrees Max. Range: ± 180 Degrees Approx. LSB: 0.000172 Deg
Data Bits: 9 to 28 = 20 + = East Sign Bit: 29 Pad Bits: None
Transmit Interval (mSec): 1000 Maximum Data Type: 2’s Complement Binary SDI Bits: 9, 10
6.2.9 Track Angle (103) - GPS
TRACK ANGLE – GPS Source: ARINC 743(A) GPSSU
LABEL (Octal) 103 Units: Degrees Max. Range: ± 180 Degrees Approx. LSB: 0.0055 Deg.
Data Bits: 15 to 29 = 15 + = Clockwise from North Sign Bit: 29 Pad Bits: 11 to 14
Transmit Interval (mSec): 1000 Maximum Data Type: 2’s Complement Binary SDI Bits: 9, 10
6.2.10 Horizontal Figure Of Merit (247) – GPS (ARINC 743A)
HORIZONTAL FIGURE OF MERIT - GPS Source: ARINC 743A GPSSU
LABEL (Octal) 247 Units: Nautical Miles Max. Range: 16 NM’s Approx. LSB: 0.000061035
Data Bits: 11 to 28 = 18 + = N/A Sign Bit: 29 Pad Bits: N/A
Transmit Interval (mSec): 1000 Maximum Data Type: 2’s Complement Binary SDI Bits: 9, 10
6.2.11 Horizontal Figure Of Merit (247) – GPS (ARINC 743)
HORIZONTAL FIGURE OF MERIT - GPS Source: ARINC 743 GPSSU
LABEL (Octal) 247 Units: Meters Max. Range: 1,024 Approx . LSB: 0.03125
Data Bits: 14 to 28 = 15 + = N/A Sign Bit: 29 Pad Bits: 11 to 13
Transmit Interval (mSec): 1000 Maximum Data Type: 2’s Complement Binary SDI Bits: 9, 10
6.2.12 Horizontal Figure Of Merit from HDOP (101) – GPS (ARINC 743)
HORIZONTAL FIGURE OF MERIT – GPS Source: ARINC 743 GPSSU
LABEL (Octal) 101 Units: Meters Max. Range: 16,384* Approx. LSB: 0.5*
Data Bits: 14 to 28 = 15 + = N/A Sign Bit: 29 Pad Bits: 11 to 13
Transmit Interval (mSec): 1000 Maximum Data Type: 2’s Complement Binary SDI Bits: 9, 10
* The HDOP scaling is multiplied by 16 to produce HFOM values required by the EGPWS
6.2.13 Vertical Figure Of Merit (136) – GPS (ARINC 743A)
VERTICAL FIGURE OF MERIT – GPS Source: ARINC 743A GPSSU
LABEL (Octal) 136 Units: Feet Max. Range: 32,768 ft Approx. LSB: 0.125
Data Bits: 11 to 28 = 18 + = N/A Sign Bit: 29 Pad Bits: N/A
Transmit Interval (mSec): 1000 Maximum Data Type: 2’s Complement Binary SDI Bits: 9, 10
6.2.14 Vertical Figure Of Merit (136) – GPS (ARINC 743)
VERTICAL FIGURE OF MERIT – GPS Source: ARINC 743 GPSSU
LABEL (Octal) 136 Units: Meters Max. Range: 1,024 Approx . LSB: 0.03125
Data Bits: 14 to 28 = 15 + = N/A Sign Bit: 29 Pad Bits: 11 to 13
Transmit Interval (mSec): 1000 Maximum Data Type: 2’s Complement Binary SDI Bits: 9, 10
6.2.15 Vertical Figure Of Merit from VDOP (102) – GPS (ARINC 743)
VERTICAL FIGURE OF MERIT – GPS Source: ARINC 743 GPSSU
LABEL (Octal) 102 Units: Meters Max. Range: 16,384* Approx. LSB: 0.5*
Data Bits: 14 to 28 = 15 + = N/A Sign Bit: 29 Pad Bits: 11 to 13
Transmit Interval (mSec): 1000 Maximum Data Type: 2’s Complement Binary SDI Bits: 9, 10
* The VDOP scaling is multiplied by 16 to produce VFOM values required by the EGPWS