· ICAO24 ae61d1· last seen 1d ago

761556 is a Northrop F-5E/F Tiger II, a twin-engine jet. SkyMeter has tracked 442 flights totalling 334 hours of airtime via ADS-B across 7 callsigns. The most frequent segment is KNBC to KNBC. Service window in our records spans 437 days. Of those flights, 24 (5.4%) carry at least one detected incident: a 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
442
all time
FLOWN HOURS
334
tracked time
📍
AIRPORTS VISITED
36
unique
📡
CALLSIGNS
7
53 routes
📅
SERVICE PERIOD
6/2/2025 → 8/14/2026
first → last
INCIDENT RATE
5.4%
24 flagged

Top routes

By flight count

10
54
13
12
6
5
4
2
2
2
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 50 operations of 761556

50
8/14/2026
55m
No alerts
8/13/2026
42m
No alerts
8/12/2026
31m
No alerts
8/5/2026
45m
No alerts
8/4/2026
11m
No alerts
8/4/2026
37m
No alerts
8/3/2026
27m
No alerts
8/3/2026
45m
No alerts
7/31/2026
27m
△ Low approach-stability score
7/30/2026
20m
No alerts
7/29/2026
1h 9m
No alerts
7/28/2026
50m
No alerts
7/27/2026
13m
No alerts
7/22/2026
1h 13m
No alerts
7/22/2026
51m
No alerts
7/22/2026
30m
No alerts
7/21/2026
56m
⤓ Emergency descent
7/21/2026
54m
No alerts
7/21/2026
32m
No alerts
7/20/2026
2h 37m
No alerts
7/17/2026
52m
No alerts
7/16/2026
53m
No alerts
7/13/2026
54m
△ Low approach-stability score
7/13/2026
54m
No alerts
7/10/2026
53m
No alerts
7/10/2026
50m
No alerts
7/10/2026
50m
No alerts
7/9/2026
54m
△ Low approach-stability score
7/9/2026
47m
No alerts
5/29/2026
44m
No alerts
5/28/2026
44m
No alerts
5/28/2026
43m
No alerts
5/28/2026
3h 41m
No alerts
5/27/2026
45m
No alerts
5/22/2026
36m
No alerts
5/21/2026
30m
No alerts
5/21/2026
36m
No alerts
5/21/2026
31m
No alerts
5/20/2026
32m
No alerts
5/20/2026
38m
No alerts
5/20/2026
44m
No alerts
5/19/2026
33m
No alerts
5/19/2026
45m
No alerts
5/19/2026
13m
No alerts
5/18/2026
34m
No alerts
5/18/2026
31m
No alerts
5/18/2026
41m
No alerts
5/15/2026
35m
No alerts
5/15/2026
47m
No alerts
5/14/2026
46m
No alerts
© SkyMeter · All flight data subject to ODbL attribution