skylight.

SWA3130 Southwest Airlines

Boeing 737NG 8H4/W · N8693A

· 0:32Quality 46soft focuslost lockwrap pinnedquarteringDead-zone wrap

3D replay

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
0%
First lockfrom target selected
—
Centring, medianaz / el while locked
—
Centring, 90th pctaz / el while locked
—
Tightest field of viewhorizontal
8.3°
Time to 8°from first lock
—
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
0.0 s
Jitter at teleaz / el, standard deviation
—
Swing at teleaz / el, peak to peak
—
Pan reversalsper 10 s at tele
—
Largest pan hopin any 1 s at tele
—
Largest tilt hopin any 1 s at tele
—
Pose error, mediancommand vs camera
0.53°
Largest correctionvision vs prediction
0.00°
Zoom steps
36

Aircraft & route

Flight
SWA3130
Registration
N8693A
Type
Boeing 737NG 8H4/W
Airline
Southwest Airlines
From
—
To
—
Ground speed
389 kt
Altitude at closest
13,075 ft
Vertical rate
+3,264 ft/min
Category
A3
ICAO hex
abf308

Pass geometry

Max elevation
21.9°
Elevation at start → end
21.9° → 16.1°
Azimuth at start → end
223° SW → 209° SSW
Closest-approach azimuth
223° SW
Minimum slant range
10.8 km
Heading at closest
186° S
Aspect at closest
quartering (37°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
Yes — pan pre-positioned across the stop
Duration
0:32 (32.3 s)
Lock
0%

Build & tuning

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

Build
2026-10-14k — loop integrates real tick time; aim lead −0.2 s
Commit
33c2b35-k
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
15.9 MB · 32.0 s · offset -1.0 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
-0.2
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