The sophistication of the KF-21 Boramae technology has indeed been released to the public. Starting from prospective weapons, drones and various other advanced features found in the KF-21 Boramae. And although it can't be proven at this time, the manufacturer of the KF-21 Boramae has given many signals of its sophistication.
This is true, as evidenced by information from the aviationweek.com page that the KF-21 Boramae is supported by the F414-400K (GE) engine.
From this engine, the performance of the KF-21 Boramae is projected to be one of the best in the 4.5 generation class.
Not only the engine, but there is one technological feature in the KF-21 Boramae that seems to be more superior. And this feature technology does not appear to be owned by the Rafale fighter jet and only owned by the KF-21 Boramae.
According to aerosociety.com, the technology feature of the KF-21 Boramae is the aerial refueling receptacle (ARR) flying boom a tanker aircraft.
Which means the KF-21 Boramae can be refueled in the air using the ying boom method in the air.
This is also explained on the aviacionline.com page if the KF-21 Boramae is seen refueling in the air. You need to know that the Rafale does not have a flying boom method system but uses the probe and drogue method.
From these differences, there are certainly advantages and disadvantages to the flying boom aerial refueling method.
Quoted from the aviation.stackexchange.com page, the advantages of the flying boom aerial refueling method on the KF-21 are numerous. The first is that the fuel transfer speed of the flying boom aerial refueling method will be much faster than the probe and drogue method.
From the speed of fuel transfer, the probability of completing the mission will be much faster.
Then the second advantage of the flying boom aerial refueling method is that it is also very easy for pilots.
Which means if the pilot using the flying boom aerial refueling method does not have to bother with maneuvering to adjust the direction of the filling pipe.
Therefore, the flying boom aerial refueling method only requires the operator to control the pipe to the filling hole.
In addition, the flying boom method uses a rigid boom that is flown by the operator in coordination with the pilot.
Therefore the flying boom method is useful for making connections with the receptacle on the second plane. As for the probe and drogue method on the Rafale fighter jet, it uses a trailing hose with a basket at the end.
Pilots will guide their onboard probe into the basket to connect to the hose.
The hose is retracted when not in use and although the crew has less control over the drogue.
However, the probe and drogue method of refueling has a shortage of time for fuel delivery. From these differences, the KF-21 Boramae aerial refueling method seems to be superior because of the speed of fuel transfer.
