Aircraft directory

N4538E

ICAO A580B6 · GRASSHOPPER FLYING CLUB INC

FAA registryADS-B historyResearch ownership/use
Minutes in KPOU Class D
1,997
111 observed days
Lowest in KPOU Class D (AGL)
0 ft
Height above ground
0.25-mile events
50
268 samples in ring
Lowest in 0.25-mile ring (AGL)
537 ft
Near monitoring location

Observed aircraft profile

Known owner
GRASSHOPPER FLYING CLUB INC
Observed callsigns
N4538E
First observed
Jan 3, 2025, 12:06 PM
Last observed
Jul 27, 2026, 12:04 PM
All observed minutes
2,213
All observed days
111

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)
843 ft
Median altitude (AGL)
737 ft
First Class D observation
Jan 3, 2025, 12:06 PM
Last Class D observation
Jul 27, 2026, 12:04 PM

Aircraft trail

N4538E · 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.

7
Jan 3
24
Jan 10
76
Jan 12
91
Jan 13
9
Jan 14
24
Jan 16
13
Jan 17
9
Jan 26
40
Jan 28
39
Jan 30
6
Jan 31
11
Feb 1
3
Feb 2
8
Feb 5
23
Feb 9
7
Feb 10
9
Feb 11
17
Feb 12
6
Feb 14
37
Feb 22
31
Feb 23
10
Feb 24
72
Feb 26
24
Feb 28
9
Mar 3
25
Mar 4
8
Mar 9
9
Mar 10
9
Mar 11
37
Mar 12
16
Mar 14
9
Mar 18
22
Mar 19
8
Mar 23
9
Mar 25
9
Mar 26
14
Mar 27
22
Mar 28
32
Mar 29
20
Mar 30
9
Apr 2
12
Apr 3
39
Apr 4
27
Apr 9
11
Apr 10
80
Apr 13
14
Apr 14
90
Apr 17
34
Apr 18
11
Apr 20
9
Apr 21
8
Apr 24
10
Apr 25
20
Apr 28
40
May 1
17
May 4
23
May 5
9
May 7
10
May 8
11
May 10
14
May 11
8
May 12
15
Oct 1
18
Oct 2
9
Oct 3
19
Oct 4
32
Jan 6
8
Mar 29
13
Mar 30
30
Mar 31
4
Apr 3
23
Apr 4
11
Apr 8
7
Apr 9
4
Apr 12
4
Apr 15
15
Apr 17
9
Apr 18
9
Apr 21
12
Apr 26
4
Apr 28
3
May 16
6
May 17
9
May 20
60
May 21
5
May 22
12
May 26
18
May 27
11
May 29
10
Jun 1
10
Jun 3
12
Jun 4
8
Jun 5
8
Jun 14
7
Jun 21
9
Jun 24
5
Jun 26
44
Jun 28
26
Jun 29
42
Jun 30
4
Jul 3
5
Jul 5
17
Jul 8
9
Jul 12
9
Jul 13
11
Jul 14
9
Jul 17
5
Jul 19
5
Jul 25
5
Jul 26
7
Jul 27
Daily distinct receiver minutes inside the Class D polygonPeak: 91 min

Daily minutes by noise band

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

LowModerateHighSevereUnmodeled
7
Jan 3
24
Jan 10
76
Jan 12
91
Jan 13
9
Jan 14
24
Jan 16
13
Jan 17
9
Jan 26
40
Jan 28
39
Jan 30
6
Jan 31
11
Feb 1
3
Feb 2
8
Feb 5
23
Feb 9
7
Feb 10
9
Feb 11
17
Feb 12
6
Feb 14
37
Feb 22
31
Feb 23
10
Feb 24
72
Feb 26
24
Feb 28
9
Mar 3
25
Mar 4
8
Mar 9
9
Mar 10
9
Mar 11
37
Mar 12
16
Mar 14
9
Mar 18
22
Mar 19
8
Mar 23
9
Mar 25
9
Mar 26
14
Mar 27
22
Mar 28
32
Mar 29
20
Mar 30
9
Apr 2
12
Apr 3
39
Apr 4
27
Apr 9
11
Apr 10
80
Apr 13
14
Apr 14
90
Apr 17
34
Apr 18
11
Apr 20
9
Apr 21
8
Apr 24
10
Apr 25
20
Apr 28
40
May 1
17
May 4
23
May 5
9
May 7
10
May 8
11
May 10
14
May 11
8
May 12
15
Oct 1
18
Oct 2
9
Oct 3
19
Oct 4
32
Jan 6
8
Mar 29
13
Mar 30
30
Mar 31
4
Apr 3
23
Apr 4
11
Apr 8
7
Apr 9
4
Apr 12
4
Apr 15
15
Apr 17
9
Apr 18
9
Apr 21
12
Apr 26
4
Apr 28
3
May 16
6
May 17
9
May 20
60
May 21
5
May 22
12
May 26
18
May 27
11
May 29
10
Jun 1
10
Jun 3
12
Jun 4
8
Jun 5
8
Jun 14
7
Jun 21
9
Jun 24
5
Jun 26
44
Jun 28
26
Jun 29
42
Jun 30
4
Jul 3
5
Jul 5
17
Jul 8
9
Jul 12
9
Jul 13
11
Jul 14
9
Jul 17
5
Jul 19
5
Jul 25
5
Jul 26
7
Jul 27
Noise bands use estimated dB from aircraft model and AGL for each receiver minute.Peak: 91 min