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SWA2859 Southwest Airlines

Boeing 737NG 7H4/W · N298WN · SFO → ?

· 1:29Quality 82side-onturned left 40°Dead-zone wrap

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
67%
First lockfrom target selected
6.1 s
Centring, medianaz / el while locked
0.53° / 0.32°
Centring, 90th pctaz / el while locked
2.39° / 0.88°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
3.5 s
Time to tightestfrom first lock
6.4 s
Time at telefield of view ≤ 5.5°
19.3 s
Jitter at teleaz / el, standard deviation
0.40° / 0.29°
Swing at teleaz / el, peak to peak
2.04° / 1.37°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
4.48°
Largest tilt hopin any 1 s at tele
2.54°
Pose error, mediancommand vs camera
1.04°
Largest correctionvision vs prediction
1.77°
Zoom steps
85

Aircraft & route

Flight
SWA2859
Registration
N298WN
Type
Boeing 737NG 7H4/W
Airline
Southwest Airlines
From
SFO
To
—
Ground speed
321 kt
Altitude at closest
11,125 ft
Vertical rate
+3,392 ft/min
Category
A3
ICAO hex
a31533

Pass geometry

Max elevation
40.7°
Elevation at start → end
18.7° → 25.8°
Azimuth at start → end
336° NNW → 205° SSW
Closest-approach azimuth
259° WSW
Minimum slant range
5.2 km
Heading at closest
175° S
Aspect at closest
side-on (83°)
Turn
turned left 40°
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
Yes — pan pre-positioned across the stop
Duration
1:29 (88.8 s)
Lock
67%

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
44.0 MB · 88.0 s · offset -0.7 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