General
Selected for the retrofit of the EMB 120 by EMBRAER, this flight Data Entry Panel (FDEP) consists of :
- an GMT 4190-011 electronic clock (identical to that selected by EMBRAER for the EMB 145),
- two push buttons,
- three indicator lights.
This FDEP, particulary suitable for the commuter market measures GMT time, local time, date and flight number, elapsed time, and chronometer acts as clock for the crew and outputs GMT time, date and flight number on the ARINC 429 output.
Technical features
Installation
Dimensions :
- parallelepipedic case, ARINC 306 and NFL 65211.
Weight :
- 2.3 lbs.
Mounting :
- from the front of the instrument panel using 4 screws.
Power supplies
Internal lighting :
- 5V 400Hz, consumption 0,7A.
Aircraft power :
- 28 VDC average consumption 0.1A.
- The GMT 4190-011 possesses an internal battery to retain data in case of external power loss.
Performances
Range :
- GMT : 23h59min.
- DATE : days 1 to 31, months 1 to 12, years 00 to 99 (leap years taken into account).
Accuracy :
- one second for 200 hours at +25°C ; two seconds per day between -15°C and +55°C.
Time to reset :
- 0.05 second for ET, 1 second max for CHR sweep hand.
Environmental conditions :
- D0160B cat A1A.