Interesting aircraft observations near PTK

Rare aircraft, unusual readings, and unexpected flight paths recorded near Oakland County International Airport (PTK), Michigan.

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Search observations

30-day record

Published events by observation date

6 Sept 2026 – 5 Oct 2026 · UTC

One count per selected observation episode. This chart does not measure all flights or aircraft activity.

Daily counts · Counts match the current filters.

Unavailable or incomplete archiveIncludes a partial day
Flight patterns Unusual aircraft Performance Data quality Transponder reports
Counts and event types as a table
Matching events in the selected date range. UTC observation dates.
Date or intervalTotalFlight patternsUnusual aircraftPerformanceData qualityTransponder reports
6 Sept 2026101000
7 Sept 2026000000
8 Sept 2026101000
9 Sept 2026101000
10 Sept 2026101000
11 Sept 2026101000
12 Sept 2026101000
13 Sept 2026000000
14 Sept 2026101000
15 Sept 2026000000
16 Sept 2026000000
17 Sept 2026101000
18 Sept 2026101000
19 Sept 2026101000
20 Sept 2026000000
21 Sept 2026000000
22 Sept 2026101000
23 Sept 2026101000
24 Sept 2026101000
25 Sept 2026101000
26 Sept 2026101000
27 Sept 2026101000
28 Sept 2026101000
29 Sept 2026101000
30 Sept 2026101000
1 Oct 2026000000
2 Oct 2026101000
3 Oct 2026101000
4 Oct 2026101000
5 Oct 2026 (partial day)101000

Snapshot · Event starts are counted once, on their UTC date.

Unusual aircraft · 6 Sept 2026 – 5 Oct 2026

23 published events in this date range · Unusual aircraft

Latest archive
Unusual aircraft

N51EM: watchlist match reports

Tail N51EMCESSNA 525C Citation CJ4 (C25C)

Tail/type: current database matches; historical assignments unverified.

The saved reports contain watchlist match reports. These observations describe received data; they do not establish an emergency, a mission or the cause of an unusual reading.

Read observation
Aircraft record: C25C
Aircraft identity from the selected record. Type and registration are database matches; historical assignments may differ.

Saved report5 Oct 2026 · 20:57:21 UTC

Ground speed
509 kn
Geometric altitude
46,050 ft
Geometric-altitude vertical rate
0 ft/min
Aircraft details, measurements and evidence

Complete observation interval
5 Oct 2026 · 20:42:31 UTC to 5 Oct 2026 · 20:57:21 UTC

Aircraft details
Tail numberN51EM
Aircraft typeCESSNA 525C Citation CJ4 (C25C)
CallsignNot recorded
ICAO addressA65F86

Tail/type: current database matches; historical assignments unverified.

All recorded measurements

Saved report5 Oct 2026 · 20:57:21 UTC
Ground speed509 kn
Geometric altitude46,050 ft
Geometric-altitude vertical rate0 ft/min
Navigation accuracy category10 category

Evidence and limitations

Aircraft metadata is a current database match; historical assignment is not independently verified.

Aircraft identity from the selected record. Type and registration are database matches; historical assignments may differ.

4 Oct 2026

Unusual aircraft

87-0043: C5M type match

Tail 87-0043Lockheed C-5M Super Galaxy (C5M)

Tail/type: current database matches; historical assignments unverified.

The saved aircraft database identifies this aircraft as Lockheed C-5M Super Galaxy. The type match does not independently verify its historical assignment or the purpose of this flight.

Read observation
Representative Lockheed C-5M Super Galaxy photo. Image source and license

Saved report4 Oct 2026 · 03:49:17.710 UTC

Navigation integrity category
0 category
Image and full record
Representative Lockheed C-5M Super Galaxy lifting off from a runway in evening light.
Representative Lockheed C-5M Super Galaxy photo. Image source and license

Complete observation interval
4 Oct 2026 · 03:49:15 UTC to 4 Oct 2026 · 03:57:17.410 UTC

Aircraft details
Tail number87-0043
Aircraft typeLockheed C-5M Super Galaxy (C5M)
CallsignNot recorded
ICAO addressAE0588

Tail/type: current database matches; historical assignments unverified.

All recorded measurements

Saved report4 Oct 2026 · 03:49:17.710 UTC
Navigation integrity category0 category

Evidence and limitations

Aircraft metadata is a current database match; historical assignment is not independently verified.

MLAT estimates position from signal timing across receivers. Derived position and speed may not provide independent corroboration.

Representative Lockheed C-5M Super Galaxy photo.

3 Oct 2026

Unusual aircraft

85-0005: C5M type match

Tail 85-0005Lockheed C-5M Super Galaxy (C5M)

Tail/type: current database matches; historical assignments unverified.

The saved aircraft database identifies this aircraft as Lockheed C-5M Super Galaxy. The type match does not independently verify its historical assignment or the purpose of this flight.

Read observation
Representative Lockheed C-5M Super Galaxy photo. Image source and license

Saved report3 Oct 2026 · 08:00:30 UTC

Archived altitude; reference not retained
31,000 ft
Image and full record
Representative Lockheed C-5M Super Galaxy lifting off from a runway in evening light.
Representative Lockheed C-5M Super Galaxy photo. Image source and license

Complete observation interval
3 Oct 2026 · 08:00:30 UTC to 3 Oct 2026 · 08:22:00 UTC

Aircraft details
Tail number85-0005
Aircraft typeLockheed C-5M Super Galaxy (C5M)
CallsignNot recorded
ICAO addressAE0562

Tail/type: current database matches; historical assignments unverified.

All recorded measurements

Saved report3 Oct 2026 · 08:00:30 UTC
Archived altitude; reference not retained31,000 ft
Transponder code0000

Evidence and limitations

Aircraft metadata is a current database match; historical assignment is not independently verified.

MLAT estimates position from signal timing across receivers. Derived position and speed may not provide independent corroboration.

Representative Lockheed C-5M Super Galaxy photo.

2 Oct 2026

Unusual aircraft

N8704: an aircraft record dated 1944

Tail N8704DOUGLAS DC-3 Dakota (DC3)

Tail/type: current database matches; historical assignments unverified.

The saved aircraft database gives a manufacture year of 1944. This is a metadata match, not independently verified airframe history.

Read observation
Representative Douglas DC-3 photo (modified radar test aircraft shown). Image source and license

Saved report2 Oct 2026 · 12:51:45 UTC

Ground speed
142.9 kn
Archived altitude; reference not retained
3,975 ft
Image and full record
Representative Douglas DC-3 modified as a radar test aircraft, taking off in a side view.
Representative Douglas DC-3 photo (modified radar test aircraft shown). Image source and license

Complete observation interval
2 Oct 2026 · 12:51:45 UTC

Aircraft details
Tail numberN8704
Aircraft typeDOUGLAS DC-3 Dakota (DC3)
CallsignNot recorded
ICAO addressABF93A

Tail/type: current database matches; historical assignments unverified.

All recorded measurements

Saved report2 Oct 2026 · 12:51:45 UTC
Ground speed142.9 kn
Archived altitude; reference not retained3,975 ft
Transponder code0000

Evidence and limitations

Aircraft metadata is a current database match; historical assignment is not independently verified.

Representative Douglas DC-3 photo (modified radar test aircraft shown).

30 Sept 2026

Unusual aircraft

HL7627: A388 type match

Tail HL7627AIRBUS A-380-800 (A388)

Tail/type: current database matches; historical assignments unverified.

The saved aircraft database identifies this aircraft as AIRBUS A-380-800. The type match does not independently verify its historical assignment or the purpose of this flight.

Read observation
Representative Airbus A380 photo. Image source and license

Saved report30 Sept 2026 · 12:49:15 UTC

Archived altitude; reference not retained
36,975 ft
Image and full record
Representative Airbus A380 seen from below in flight.
Representative Airbus A380 photo. Image source and license

Complete observation interval
30 Sept 2026 · 12:49:15 UTC to 30 Sept 2026 · 13:05:30 UTC

Aircraft details
Tail numberHL7627
Aircraft typeAIRBUS A-380-800 (A388)
CallsignNot recorded
ICAO address71BE27

Tail/type: current database matches; historical assignments unverified.

All recorded measurements

Saved report30 Sept 2026 · 12:49:15 UTC
Archived altitude; reference not retained36,975 ft
Transponder code0000

Evidence and limitations

Aircraft metadata is a current database match; historical assignment is not independently verified.

Representative Airbus A380 photo.

29 Sept 2026

Unusual aircraft

163920: an E-6B Mercury database match

Tail 163920Boeing E-6B Mercury (E6)

Tail/type: current database matches; historical assignments unverified.

The saved aircraft database identifies this aircraft as Boeing E-6B Mercury. The type match does not independently verify its historical assignment or the purpose of this flight.

Read observation
Track preview. Gaps retained.

Saved report29 Sept 2026 · 17:38:30 UTC

Archived altitude; reference not retained
11,875 ft
Map, replay and full record
Recorded track: 6 saved positions over 2 minutes. Near Camden, Michigan; about 11.8 miles along the plotted segments.
Geographic plot of 6 saved aircraft positions in a short archived excerpt (Near Camden, Michigan). About 11.8 miles (10.3 nautical miles) along the plotted segments. Lines stop at gaps over 45 seconds, source changes and rejected positions. Archive timestamps do not establish exact message freshness. USGS topographic background shows roads, water and place names where available. It is a current reference map, not imagery from the flight date. Map data sources

Complete observation interval
29 Sept 2026 · 17:38:30 UTC to 29 Sept 2026 · 17:49:30 UTC

Aircraft details
Tail number163920
Aircraft typeBoeing E-6B Mercury (E6)
CallsignNot recorded
ICAO addressAE0412

Tail/type: current database matches; historical assignments unverified.

All recorded measurements

Saved report29 Sept 2026 · 17:38:30 UTC
Archived altitude; reference not retained11,875 ft
Transponder code0000

Evidence and limitations

Aircraft metadata is a current database match; historical assignment is not independently verified.

MLAT estimates position from signal timing across receivers. Derived position and speed may not provide independent corroboration.

Geographic plot of 6 saved aircraft positions in a short archived excerpt (Near Camden, Michigan). About 11.8 miles (10.3 nautical miles) along the plotted segments. Lines stop at gaps over 45 seconds, source changes and rejected positions. Archive timestamps do not establish exact message freshness. USGS topographic background shows roads, water and place names where available. It is a current reference map, not imagery from the flight date.

28 Sept 2026

Unusual aircraft

N67895: an aircraft record dated 1943

Tail N67895STEARMAN Kaydet (ST75)

Tail/type: current database matches; historical assignments unverified.

The saved aircraft database gives a manufacture year of 1943. This is a metadata match, not independently verified airframe history.

Read observation
Track preview. Gaps retained.

Saved report28 Sept 2026 · 19:51:15 UTC

Archived altitude; reference not retained
2,400 ft
Map, replay and full record
Recorded track: 5 saved positions over 1.8 minutes. Near Howell, Michigan; about 1.2 miles along the plotted segments.
Geographic plot of 5 saved aircraft positions in a short archived excerpt (Near Howell, Michigan). About 1.2 miles (1 nautical miles) along the plotted segments. Lines stop at gaps over 45 seconds, source changes and rejected positions. Archive timestamps do not establish exact message freshness. USGS topographic background shows roads, water and place names where available. It is a current reference map, not imagery from the flight date. Map data sources

Complete observation interval
28 Sept 2026 · 19:51:15 UTC to 28 Sept 2026 · 19:55:30 UTC

Aircraft details
Tail numberN67895
Aircraft typeSTEARMAN Kaydet (ST75)
CallsignNot recorded
ICAO addressA8FD21

Tail/type: current database matches; historical assignments unverified.

All recorded measurements

Saved report28 Sept 2026 · 19:51:15 UTC
Archived altitude; reference not retained2,400 ft
Transponder code0000

Evidence and limitations

Aircraft metadata is a current database match; historical assignment is not independently verified.

Geographic plot of 5 saved aircraft positions in a short archived excerpt (Near Howell, Michigan). About 1.2 miles (1 nautical miles) along the plotted segments. Lines stop at gaps over 45 seconds, source changes and rejected positions. Archive timestamps do not establish exact message freshness. USGS topographic background shows roads, water and place names where available. It is a current reference map, not imagery from the flight date.

27 Sept 2026

Unusual aircraft

HL7635: A388 type match

Tail HL7635AIRBUS A-380-800 (A388)Callsign AAR224

Tail/type: current database matches; historical assignments unverified.

The saved aircraft database identifies this aircraft as AIRBUS A-380-800. The type match does not independently verify its historical assignment or the purpose of this flight.

Read observation
Representative Airbus A380 photo. Image source and license

Saved report27 Sept 2026 · 00:05:15 UTC

Ground speed
487 kn
Archived altitude; reference not retained
39,000 ft
Image and full record
Representative Airbus A380 seen from below in flight.
Representative Airbus A380 photo. Image source and license

Complete observation interval
27 Sept 2026 · 00:05:15 UTC to 27 Sept 2026 · 00:22:15 UTC

Aircraft details
Tail numberHL7635
Aircraft typeAIRBUS A-380-800 (A388)
CallsignAAR224
ICAO address71BE35

Tail/type: current database matches; historical assignments unverified.

All recorded measurements

Saved report27 Sept 2026 · 00:05:15 UTC
Ground speed487 kn
Archived altitude; reference not retained39,000 ft
Transponder code0000

Evidence and limitations

Aircraft metadata is a current database match; historical assignment is not independently verified.

Representative Airbus A380 photo.

26 Sept 2026

Unusual aircraft

HL7622: A388 type match

Tail HL7622AIRBUS A-380-800 (A388)

Tail/type: current database matches; historical assignments unverified.

The saved aircraft database identifies this aircraft as AIRBUS A-380-800. The type match does not independently verify its historical assignment or the purpose of this flight.

Read observation
Representative Airbus A380 photo. Image source and license

Saved report26 Sept 2026 · 13:07:30 UTC

Ground speed
505.8 kn
Archived altitude; reference not retained
39,000 ft
Image and full record
Representative Airbus A380 seen from below in flight.
Representative Airbus A380 photo. Image source and license

Complete observation interval
26 Sept 2026 · 13:07:30 UTC to 26 Sept 2026 · 13:25:00 UTC

Aircraft details
Tail numberHL7622
Aircraft typeAIRBUS A-380-800 (A388)
CallsignNot recorded
ICAO address71BE22

Tail/type: current database matches; historical assignments unverified.

All recorded measurements

Saved report26 Sept 2026 · 13:07:30 UTC
Ground speed505.8 kn
Archived altitude; reference not retained39,000 ft
Transponder code0000

Evidence and limitations

Aircraft metadata is a current database match; historical assignment is not independently verified.

Representative Airbus A380 photo.

25 Sept 2026

Unusual aircraft

N161PR: DC3 type match

Tail N161PRDOUGLAS DC-3 Dakota (DC3)

Tail/type: current database matches; historical assignments unverified.

The saved aircraft database identifies this aircraft as DOUGLAS DC-3 Dakota. The type match does not independently verify its historical assignment or the purpose of this flight.

Read observation
Representative Douglas DC-3 photo (modified radar test aircraft shown). Image source and license

Saved report25 Sept 2026 · 18:05:00 UTC

Archived altitude; reference not retained
6,650 ft
Image and full record
Representative Douglas DC-3 modified as a radar test aircraft, taking off in a side view.
Representative Douglas DC-3 photo (modified radar test aircraft shown). Image source and license

Complete observation interval
25 Sept 2026 · 18:05:00 UTC to 25 Sept 2026 · 18:11:15 UTC

Aircraft details
Tail numberN161PR
Aircraft typeDOUGLAS DC-3 Dakota (DC3)
CallsignNot recorded
ICAO addressA0F6BA

Tail/type: current database matches; historical assignments unverified.

All recorded measurements

Saved report25 Sept 2026 · 18:05:00 UTC
Archived altitude; reference not retained6,650 ft
Transponder code0000

Evidence and limitations

Aircraft metadata is a current database match; historical assignment is not independently verified.

Representative Douglas DC-3 photo (modified radar test aircraft shown).