I have been looking for testing using HIL mode before actual flight. But HIL firmware is not available on download on Mission Planner 1.3.53 and below. Error prompts that bad firmware. request advice and better course of action. 

hi,i just recieved my APM 1.0 kit. i m just wondering how to power up this kit. do i need an additional battery for kit or the battery attached to the RC receiver would suffice. moreover, how do i connect battery attached to RC receiver to the rail…