Minutes in KPOU Class D
398
33 observed days
Lowest in KPOU Class D (AGL)
0 ft
Height above ground
0.25-mile events
5
31 samples in ring
Lowest in 0.25-mile ring (AGL)
612 ft
Near monitoring location

Observed aircraft profile

Known owner
HEAVY METAL AIR LLC
Observed callsigns
N977TH
First observed
Jan 15, 2025, 12:02 PM
Last observed
Jul 4, 2026, 10:42 AM
All observed minutes
794
All observed days
44

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)
1,116 ft
Median altitude (AGL)
1,037 ft
First Class D observation
Jan 15, 2025, 12:02 PM
Last Class D observation
Jun 30, 2026, 10:33 AM

Aircraft trail

N977TH · 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.

8
Jan 15
29
Jan 22
5
Jan 23
17
Feb 3
7
Feb 5
7
Feb 15
14
Feb 22
9
Feb 24
7
Feb 25
17
Feb 26
7
Feb 28
26
Mar 11
7
Mar 18
11
Jan 5
24
Mar 29
9
Apr 8
10
Apr 15
6
Apr 26
15
May 5
9
May 16
26
May 17
5
May 18
15
May 20
17
May 27
17
May 29
8
May 31
12
Jun 3
14
Jun 8
6
Jun 9
7
Jun 13
7
Jun 14
4
Jun 26
16
Jun 30
Daily distinct receiver minutes inside the Class D polygonPeak: 29 min

Daily minutes by noise band

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

QuietModerateLoudVery loudUnmodeled
8
Jan 15
29
Jan 22
5
Jan 23
17
Feb 3
7
Feb 5
7
Feb 15
14
Feb 22
9
Feb 24
7
Feb 25
17
Feb 26
7
Feb 28
26
Mar 11
7
Mar 18
11
Jan 5
24
Mar 29
9
Apr 8
10
Apr 15
6
Apr 26
15
May 5
9
May 16
26
May 17
5
May 18
15
May 20
17
May 27
17
May 29
8
May 31
12
Jun 3
14
Jun 8
6
Jun 9
7
Jun 13
7
Jun 14
4
Jun 26
16
Jun 30
Noise bands use estimated dB from aircraft model and AGL for each receiver minute.Peak: 29 min