In this mode, the craft is essentially a turboprop aircraft.
The first turboprop aircraft of that type was put in service with the airline in 1996.
It primarily services general aviation and small turboprop aircraft.
The turboprop aircraft, which will be used for day and night surveillance support, were designed to locate people on the ground through their body heat.
At least 164 people were killed today in the crashes of a Boeing 737 and a smaller turboprop aircraft on domestic flights.
For regional domestic services, three makes of turboprop aircraft are used, each make belonging to a single subsidiary.
It is also looking at various types of turboprop aircraft for new domestic routes.
Both airlines also operated turboprop aircraft into the airport as well.
The company had previously introduced the smaller Saab 340 twin turboprop aircraft.
The route had been previously been flown with turboprop aircraft.