skylight.

CGFCB

Bombardier Challenger 300 · C-GFCB

· 1:15Quality 81lost lockside-onOverhead

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −59%). Download

Trace

Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.

—FOV —az —el —pose —
Lock

Events

Tracking metrics

How well the camera kept the aircraft centred. Tap a metric for what it means and what good looks like.

Lockshare of the pass
50%
First lockfrom target selected
25.7 s
Centring, medianaz / el while locked
0.19° / 0.21°
Centring, 90th pctaz / el while locked
2.17° / 1.58°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
24.3 s
Time to tightestfrom first lock
39.2 s
Time at telefield of view ≤ 5.5°
24.5 s
Jitter at teleaz / el, standard deviation
0.15° / 0.22°
Swing at teleaz / el, peak to peak
0.67° / 1.41°
Pan reversalsper 10 s at tele
2.9
Largest pan hopin any 1 s at tele
0.71°
Largest tilt hopin any 1 s at tele
1.53°
Pose error, mediancommand vs camera
0.83°
Largest correctionvision vs prediction
1.62°
Zoom steps
84

Aircraft & route

Flight
CGFCB
Registration
C-GFCB
Type
Bombardier Challenger 300 (CL60)
Airline
—
From
—
To
—
Ground speed
216 kt
Altitude at closest
1,575 ft
Vertical rate
+3,840 ft/min
Category
A2
ICAO hex
c05212

Pass geometry

Max elevation
76.9°
Elevation at start → end
0.0° → 11.8°
Azimuth at start → end
120° ESE → 297° WNW
Closest-approach azimuth
209° SSW
Minimum slant range
525 m
Heading at closest
298° WNW
Aspect at closest
side-on (89°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
Yes — camera flipped over the top
Dead-zone wrap
No
Duration
1:15 (75.0 s)
Lock
50%

Build & tuning

The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.

Build
2026-10-16a — main b067f99 (review cleanup)
Commit
b067f99
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
37.1 MB · 75.0 s · offset -1.5 s
pursuit
velocity
maxLeadSec
3
panLatencySec
0.6
tiltLatencySec
0.4
rippleDeg
0.5
rippleTeleDeg
0.25
maxSpeedStepFwps
0.45
speedReachFrac
0.8
lockedSigmaDeg
0.35
sigmaGrowthDps
0.1
aimLeadSec
-0.03
correctionSlewDps
2.5
kp
1
ki
0.6

This clip and poster are © Skylight (Cameron Paczek): free for non-commercial use with credit to skylightceiling.com, not MIT. License