| Before the upgrade | After the upgrade |
Flight performance data |
|
| Read through the numerous dials and switches from the control panel. | Read through the Heads Up Display (HUD), allowing pilot to keep his focus to the front. |
Position determination |
|
| Use of printed maps, compass and ground control information. | Inertial Navigation System automatically computes the position with error margin of 0.8 nautical miles per hour. |
Weapons selection |
|
| Involves taking hands off the controls and flipping the switches. | Selection through buttons located on control and throttle sticks. Buttons also used for selection of screen displays. |
Weapons accuracy |
|
| Dependant on pilot's judgement and experience. | Computer calculations ensure greater accuracy. |
Mission plans |
|
| Scribbled on note pads and changes had to be done manually by pilots in mid-air. | Done on computer and fed into the aircraft's computer through a cartridge.
Digitised maps can be downloaded and displayed on the screens making mid-flight changes easier. |
Back-up instruments |
|
| No back-ups. | Two computers and one serving as back-up due to larger space for back-up instruments and fuel level gauges. Ensure fail-safe reliability and higher mission success rate. |