Minutes in KPOU Class D
45
11 observed days
Lowest in KPOU Class D (AGL)
837 ft
Height above ground
0.25-mile events
2
10 samples in ring
Lowest in 0.25-mile ring (AGL)
1,212 ft
Near monitoring location

Observed aircraft profile

Known owner
AIR METHODS LLC
Observed callsigns
N551HU
First observed
Jan 8, 2025, 06:43 PM
Last observed
Jun 13, 2026, 07:50 PM
All observed minutes
48
All observed days
11

KPOU Class D activity

Counted from distinct receiver minute-presence coordinates inside the FAA-derived KPOU Class D polygon at 0–2,700 feet barometric altitude.

Average altitude (AGL)
1,709 ft
Median altitude (AGL)
1,737 ft
First Class D observation
Jan 8, 2025, 06:43 PM
Last Class D observation
Jun 13, 2026, 07:50 PM

Aircraft trail

N551HU · all to all

No trail loaded.

Lowest passes (¼ mi ring)

Every pass within 0.25 mi of the monitoring point, sorted by the lowest AGL reached during that pass.

Date/time (ET)FlightLowest AGLReplay

Daily KPOU Class D minutes

Daily sum of distinct receiver minutes inside KPOU Class D under 2,700 feet.

4
Jan 8
4
Jan 22
4
Feb 13
4
Feb 17
5
Feb 23
4
Mar 7
4
Mar 11
4
Mar 23
3
Apr 8
3
Apr 12
6
Jun 13
Daily distinct receiver minutes inside the Class D polygonPeak: 6 min

Daily minutes by noise band

Each minute is counted in the band for its loudest estimated measurement.

QuietModerateLoudVery loudUnmodeled
4
Jan 8
4
Jan 22
4
Feb 13
4
Feb 17
5
Feb 23
4
Mar 7
4
Mar 11
4
Mar 23
3
Apr 8
3
Apr 12
6
Jun 13
Noise bands use estimated dB from aircraft model and AGL for each receiver minute.Peak: 6 min