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Watchlisted aircraftCessna Citation CJ4

Plane Alert DB watchlist jet N51EM is a Cessna Citation CJ4

N51EM was reported near Estral Beach, Michigan, with a recorded altitude of 43,000 feet. Its listed build year is 2012.

Nearl CrewsObserved Published

Map of Cessna Citation CJ4 N51EM's recorded track near Estral Beach, Michigan: 7 positions over about 2 minutes, about 12 miles.
Saved positions of Cessna Citation CJ4 N51EM near Estral Beach, Michigan, drawn from a short archived excerpt. The line breaks at gaps over 45 seconds, at source changes and at rejected positions. The path measures about 12 miles (10.1 nautical miles) along the plotted segments. 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

N51EM, an aircraft included in Plane Alert DB, was reported near Estral Beach, Michigan, on July 22, 2026. The aircraft database identifies it as a Cessna Citation CJ4 built in 2012. Its archived flight track included an altitude of 43,000 feet.

The Plane Alert DB entry gives this light business jet a watchlist connection, though it does not show who was aboard during the flight. The aircraft is 14 years old by its listed build year; the CJ4 type received certification in 2010 under the 525C designation.

About the Cessna Citation CJ4

  • The Cessna Citation CJ4 received type certification in 2010 under the 525C designation.
  • The Cessna Citation CJ4 is a light business jet.

Other Cessna Citation CJ4 stories

Recorded data for N51EM

Observation
Observed to
Event typeUnusual aircraft
Recorded sourceADS-B, ICAO address
Post date
Last revised
Aircraft
Aircraft typeCESSNA 525C Citation CJ4
Type designatorC25C
Tail number (registration)N51EM
CallsignN51EM
ICAO addressA65F86

Measurements

Displayed measurements may be rounded.

Saved reading at .
Ground speed355 kn
Archived altitude; reference not retained43,000 ft
Last archived label at . Archive labels are carried between saved positions.
CallsignN51EM
Watchlist association
SourcePlane Alert DB
CategoryDistinctive aircraft
Pinned source version6f7a19044a8dc9ed1c5687c8d26650df7296321e
AttributionAircraft association/category: Plane Alert DB / SDR-Enthusiasts and contributors.
LicencesOpen Database License 1.0; Database Contents License 1.0
ScopeSource association only; not verified current ownership, operator, historical association or presence of any person aboard.
Record details

Public event ID: baf67bdb-ad5f-41b3-babf-bfa85118544a.

Record revision: 3.

Evidence version: 69b486d97ea5cf0e107417b9e29099fe5c2613bdb131f11cacc14194c731d241.

More about N51EM

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