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SWA3190 Southwest Airlines

Boeing 737-8 · N8851Q

· 1:05Quality 93side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −67%). 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
82%
First lockfrom target selected
6.5 s
Centring, medianaz / el while locked
0.47° / 0.40°
Centring, 90th pctaz / el while locked
2.26° / 1.56°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
4.4 s
Time to tightestfrom first lock
6.9 s
Time at telefield of view ≤ 5.5°
12.5 s
Jitter at teleaz / el, standard deviation
0.27° / 0.47°
Swing at teleaz / el, peak to peak
1.11° / 1.71°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
1.99°
Largest tilt hopin any 1 s at tele
2.29°
Pose error, mediancommand vs camera
1.21°
Largest correctionvision vs prediction
3.21°
Zoom steps
33

Aircraft & route

Flight
SWA3190
Registration
N8851Q
Type
Boeing 737-8
Airline
Southwest Airlines
From
—
To
—
Ground speed
295 kt
Altitude at closest
9,550 ft
Vertical rate
+2,112 ft/min
Category
A3
ICAO hex
ac32f2

Pass geometry

Max elevation
67.9°
Elevation at start → end
19.6° → 44.4°
Azimuth at start → end
4° N → 152° SSE
Closest-approach azimuth
85° E
Minimum slant range
3.2 km
Heading at closest
173° S
Aspect at closest
side-on (88°)
Turn
straight (4°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:05 (64.6 s)
Lock
82%

Build & tuning

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

Build
2026-10-13l — log why the zoom ladder moved
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
32.4 MB · 65.0 s · offset -1.5 s
pursuit
velocity
maxLeadSec
3
panLatencySec
0.6
tiltLatencySec
0.4
rippleDeg
0.5
rippleTeleDeg
0.25
rateFloorDegPerDps
2.5
rateFloorMaxDeg
12
lockedSigmaDeg
0.35
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