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SWA854 Southwest Airlines

Boeing 737NG 7H4/W · N932WN

· 1:44Quality 92side-onturned left 24°

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −63%). 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
86%
First lockfrom target selected
14.7 s
Centring, medianaz / el while locked
0.18° / 0.20°
Centring, 90th pctaz / el while locked
0.88° / 0.57°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
3.3 s
Time to tightestfrom first lock
69.6 s
Time at telefield of view ≤ 5.5°
64.6 s
Jitter at teleaz / el, standard deviation
0.45° / 0.30°
Swing at teleaz / el, peak to peak
3.03° / 1.94°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
4.45°
Largest tilt hopin any 1 s at tele
2.80°
Pose error, mediancommand vs camera
1.20°
Largest correctionvision vs prediction
1.60°
Zoom steps
56

Aircraft & route

Flight
SWA854
Registration
N932WN
Type
Boeing 737NG 7H4/W
Airline
Southwest Airlines
From
—
To
—
Ground speed
288 kt
Altitude at closest
10,375 ft
Vertical rate
+1,216 ft/min
Category
A3
ICAO hex
acef18

Pass geometry

Max elevation
66.4°
Elevation at start → end
16.3° → 25.7°
Azimuth at start → end
24° NNE → 203° SSW
Closest-approach azimuth
289° WNW
Minimum slant range
3.5 km
Heading at closest
200° SSW
Aspect at closest
side-on (88°)
Turn
turned left 24°
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:44 (104.1 s)
Lock
86%

Build & tuning

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

Build
2026-10-15s — bias fold follows a ramp; no pass below the skyline
Commit
cdd2256
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
49.0 MB · 102.1 s · offset -1.6 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
-0.21
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