Welcome back to Flight6677. In this video I unbox, assemble, review, and maiden the Yu Xiang F119S Little Bird GPS RC helicopter, the black military MD500 Little Bird version. This is a 250 size scale RC helicopter featuring GPS positioning, optical flow positioning, lidar / vision sensing, auto landing, return to home, figure-8 and circle flight modes, and manual flight mode.

I go through everything included in the box, including the custom 3S 3500mAh batteries, charger, radio, skids, rockets, machine gun armament, spare blades, and manual. I also explain the helicopter’s dual brushless direct-drive setup, radio functions, LED status lights, gyro calibration, compass calibration, and GPS setup before the maiden flight.

At the field, I test the F119S Little Bird in GPS mode, vision mode, and manual mode, including return to home, circle flight, figure-8 flight, flight behavior in wind, throw rates, and flight time. I also compare it with the RCA C189 Little Bird and the Rotor Scale UH-1Y to show the size difference and overall scale presence.

This black MD500 military Little Bird looks fantastic in the air and has impressive scale detail, but I also discuss a few issues, including low throws, tail noise, resonance, and the risk of accidentally hitting the wrong switch and dropping the helicopter. If you’re considering the F119S GPS helicopter, this video should help you decide whether it’s worth the price.

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Chapters

0:00 Introduction
0:09 F119S Little Bird overview
0:53 What’s in the box
1:12 Battery and charger overview
3:32 Radio overview
3:53 First look at the black Little Bird
4:27 Optical flow, lidar, and motor details
5:51 Full box contents recap
6:42 Helipad mention
6:52 Installing the skids
7:53 Installing rockets and gun armament
8:48 Removing protective film and scale details
10:00 Black vs red version comparison
10:27 Specs and flight system overview
12:13 Battery indicators and LED light port
13:24 Status lights explained
14:32 Radio switches and telemetry
18:04 Gyro calibration walkthrough
19:05 Compass calibration walkthrough
20:52 GPS startup and takeoff procedure
22:59 C189 Little Bird comparison
23:34 Rotor Scale UH-1Y comparison
24:32 At the field: maiden setup
25:06 Gyro calibration demo
26:12 Compass calibration demo
27:42 Acquiring GPS lock
28:19 Pre-flight linkage check
28:40 Maiden takeoff
29:32 GPS issue / sensor twitchiness
30:04 Manual mode test
31:39 Return to home test
32:32 Figure-8 and circle flight test
34:25 Vision mode hover test
35:13 Throw rates in vision and GPS mode
36:44 Manual mode high-rate test
37:33 Landing and blade resonance discussion
38:50 Second flight
39:16 Vision mode height limit test
40:48 Manual mode flight
41:28 Tail noise discussion in flight
42:25 Low battery landing
45:10 Accidental stop / drop demo
47:16 Final thoughts
49:11 Closing remarks

Keywords naturally included:
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