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DAL902 Delta Air Lines

Boeing 737NG 832/W · N386DA

· 1:14Quality 93side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −70%). 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
7.5 s
Centring, medianaz / el while locked
0.65° / 0.24°
Centring, 90th pctaz / el while locked
2.66° / 0.89°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
3.9 s
Time to tightestfrom first lock
6.2 s
Time at telefield of view ≤ 5.5°
12.6 s
Jitter at teleaz / el, standard deviation
0.54° / 0.21°
Swing at teleaz / el, peak to peak
2.78° / 1.07°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
3.90°
Largest tilt hopin any 1 s at tele
1.73°
Pose error, mediancommand vs camera
1.07°
Largest correctionvision vs prediction
0.69°
Zoom steps
36

Aircraft & route

Flight
DAL902
Registration
N386DA
Type
Boeing 737NG 832/W
Airline
Delta Air Lines
From
—
To
—
Ground speed
264 kt
Altitude at closest
11,300 ft
Vertical rate
0 ft/min
Category
A3
ICAO hex
a471e0

Pass geometry

Max elevation
69.9°
Elevation at start → end
36.4° → 31.7°
Azimuth at start → end
336° NNW → 128° SE
Closest-approach azimuth
51° NE
Minimum slant range
3.7 km
Heading at closest
140° SE
Aspect at closest
side-on (89°)
Turn
straight (4°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
1:14 (73.5 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
2026-10-14e — feedforward in head axes
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
37.0 MB · 74.0 s · offset -1.6 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