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WJA1500 WestJet

Boeing 737NG 8CT/W · C-FYPB

· 0:30Quality 76side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −69%). 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
64%
First lockfrom target selected
5.8 s
Centring, medianaz / el while locked
0.49° / 0.30°
Centring, 90th pctaz / el while locked
1.12° / 0.91°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
10.7 s
Time to tightestfrom first lock
12.9 s
Time at telefield of view ≤ 5.5°
4.9 s
Jitter at teleaz / el, standard deviation
0.36° / 0.19°
Swing at teleaz / el, peak to peak
1.31° / 0.77°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
4.25°
Largest tilt hopin any 1 s at tele
2.18°
Pose error, mediancommand vs camera
0.91°
Largest correctionvision vs prediction
1.24°
Zoom steps
26

Aircraft & route

Flight
WJA1500
Registration
C-FYPB
Type
Boeing 737NG 8CT/W
Airline
WestJet
From
—
To
—
Ground speed
265 kt
Altitude at closest
11,275 ft
Vertical rate
0 ft/min
Category
A3
ICAO hex
c040e8

Pass geometry

Max elevation
67.5°
Elevation at start → end
35.0° → 67.5°
Azimuth at start → end
335° NNW → 21° NNE
Closest-approach azimuth
21° NNE
Minimum slant range
3.7 km
Heading at closest
140° SE
Aspect at closest
side-on (61°)
Turn
straight (0°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
0:30 (30.0 s)
Lock
64%

Build & tuning

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

Build
2026-10-14c — steady overhead park, zoom travel guard v2
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
15.0 MB · 30.0 s · offset -1.3 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