skylight.

SWA2756 Southwest Airlines

Boeing 737 MAX 8 · N8994Q · SFO → ?

· 1:03Quality 83side-onDead-zone wrap

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −68%). 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
68%
First lockfrom target selected
5.8 s
Centring, medianaz / el while locked
0.94° / 0.16°
Centring, 90th pctaz / el while locked
3.07° / 0.93°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
5.1 s
Time to tightestfrom first lock
14.6 s
Time at telefield of view ≤ 5.5°
15.8 s
Jitter at teleaz / el, standard deviation
0.73° / 0.16°
Swing at teleaz / el, peak to peak
2.63° / 0.66°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
4.67°
Largest tilt hopin any 1 s at tele
1.07°
Pose error, mediancommand vs camera
1.22°
Largest correctionvision vs prediction
1.03°
Zoom steps
58

Aircraft & route

Flight
SWA2756
Registration
N8994Q
Type
Boeing 737 MAX 8
Airline
Southwest Airlines
From
SFO
To
—
Ground speed
295 kt
Altitude at closest
8,325 ft
Vertical rate
+2,880 ft/min
Category
A3
ICAO hex
ac69b6

Pass geometry

Max elevation
34.2°
Elevation at start → end
31.6° → 18.4°
Azimuth at start → end
293° WNW → 210° SSW
Closest-approach azimuth
267° W
Minimum slant range
4.5 km
Heading at closest
187° S
Aspect at closest
side-on (80°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
Yes — pan pre-positioned across the stop
Duration
1:03 (63.4 s)
Lock
68%

Build & tuning

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

Build
2026-10-14f — camera profile, head-axes control, speed floor, park from profile, learned lead
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
31.5 MB · 63.0 s · offset -1.2 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
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