· ICAO24 ae61e1· last seen May 2026

761583 is a Northrop F-5E/F Tiger II, a twin-engine jet. SkyMeter has tracked 38 flights totalling 26 hours of airtime via ADS-B across 9 callsigns. The most frequent segment is KNBC to KNBC. Service window in our records spans 74 days. Of those flights, 6 (15.8%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion. The Northrop F-5E/F Tiger II has a maximum takeoff weight of 24,722 lb, light wake category.

About the Northrop F-5E/F Tiger II

The Northrop F-5 Tiger II is a lightweight supersonic fighter that became one of the most widely exported combat aircraft of the Cold War era, serving over 30 air forces from the 1970s onward. Designed as an affordable, easy-to-maintain alternative to heavier American fighters like the F-4 Phantom, the F-5E featured twin General Electric J85 turbojets, leading-edge root extensions for improved maneuverability, and a top speed exceeding Mach 1.6. Its small radar cross-section, tight turning radius, and modest operating costs made it ideal for air defense and dissimilar air combat training—roles it continues to fill decades after production ended in 1987.

While most F-5s have been retired from frontline military service, a significant number remain active in the United States under civilian contract operators providing adversary support to the Department of Defense. Companies like Tactical Air Support and ATAC operate ex-military F-5E/F airframes to simulate threat aircraft during training exercises, flying against Navy, Air Force, and Marine Corps squadrons. These aggressor missions exploit the F-5's nimble performance and small size to replicate the flight characteristics of Russian-designed fighters like the MiG-21. The aircraft's Mach 1.6+ capability and sustained turn performance at 15,000-25,000 feet make it a credible surrogate for fourth-generation adversaries, and its relatively low fuel burn keeps operating costs manageable for high-tempo training sorties.

The F-5's enduring presence in the adversary role reflects both its inherent design strengths and the scarcity of supersonic platforms available to civilian contractors. With a service ceiling above 50,000 feet and a combat radius of roughly 500 nautical miles, the Tiger II remains capable of realistic threat replication across a wide range of training scenarios. Its twin-engine layout provides redundancy for over-water operations, and the type's long service history means maintenance expertise and spare parts remain accessible despite the airframe's age.

SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
38
all time
FLOWN HOURS
26
tracked time
📍
AIRPORTS VISITED
8
unique
📡
CALLSIGNS
9
8 routes
📅
SERVICE PERIOD
03/04/2026 → 05/18/2026
first → last
INCIDENT RATE
15.8%
6 flagged

Top routes

By flight count

4
3
2
1
1

Aircraft specifications

Northrop F-5E/F Tiger II

Engines
Twin Jet
Vref (approach)
155 kt
MTOW
24,722 lb
Wake category
L

Recent flights

Newest 19 operations of 761583

19
05/18/2026
31m
△ Unstable
05/04/2026
7m
No alerts
05/01/2026
44m
△ Unstable
05/01/2026
55m
No alerts
05/01/2026
40m
No alerts
04/30/2026
58m
No alerts
04/30/2026
53m
△ Unstable
04/30/2026
47m
No alerts
04/29/2026
41m
No alerts
04/28/2026
41m
No alerts
04/28/2026
36m
No alerts
04/28/2026
45m
No alerts
03/13/2026
19m
No alerts
03/13/2026
47m
No alerts
03/13/2026
35m
No alerts
03/12/2026
52m
No alerts
03/06/2026
34m
No alerts
03/06/2026
37m
No alerts
03/04/2026
51m
No alerts
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