skylight.

N887DC

Beechcraft 300 · N887DC

· 0:23Quality 4no planelost locknose/tail

3D replay

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
0%
First lockfrom target selected
—
Centring, medianaz / el while locked
—
Centring, 90th pctaz / el while locked
—
Tightest field of viewhorizontal
8.5°
Time to 8°from first lock
—
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
0.0 s
Jitter at teleaz / el, standard deviation
—
Swing at teleaz / el, peak to peak
—
Pan reversalsper 10 s at tele
—
Largest pan hopin any 1 s at tele
—
Largest tilt hopin any 1 s at tele
—
Pose error, mediancommand vs camera
0.74°
Largest correctionvision vs prediction
0.00°
Zoom steps
31

Aircraft & route

Flight
N887DC
Registration
N887DC
Type
Beechcraft 300
Airline
—
From
—
To
—
Ground speed
277 kt
Altitude at closest
7,300 ft
Vertical rate
0 ft/min
Category
A1
ICAO hex
ac3824

Pass geometry

Max elevation
13.6°
Elevation at start → end
13.6° → 10.2°
Azimuth at start → end
192° SSW → 189° S
Closest-approach azimuth
192° SSW
Minimum slant range
9.5 km
Heading at closest
181° S
Aspect at closest
nose/tail (11°)
Turn
straight (0°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
0:23 (22.5 s)
Lock
0%

Build & tuning

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

Build
2026-10-16a — main b067f99 (review cleanup)
Commit
b067f99
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
8.6 MB · 19.8 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
sigmaGrowthDps
0.1
aimLeadSec
-0.03
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