STMJ AERO LLC· ICAO24 a317ef· last seen 15h ago

N299LM is a BRM Aero Bristell NG5, a single-engine piston aircraft operated by STMJ AERO LLC. SkyMeter has tracked 188 flights totalling 284 hours of airtime via ADS-B. The most frequent segment is KDKX to KGSP. Service window in our records spans 354 days. The BRM Aero Bristell NG5 has a maximum takeoff weight of 1,320 lb.

About the BRM Aero Bristell NG5

The Northrop Grumman RQ-4 Global Hawk is the world's premier high-altitude, long-endurance unmanned reconnaissance aircraft, capable of surveying vast swaths of territory from altitudes above 60,000 feet for more than 30 hours without refueling. Introduced into U.S. Air Force service in 2001, the Global Hawk was designed to replace the U-2 Dragon Lady in the strategic surveillance role, offering persistent intelligence, surveillance, and reconnaissance (ISR) coverage without risking aircrew.

Its operational ceiling exceeds that of nearly all other production aircraft, and its 130-foot wingspan (greater than a Boeing 737's) enables efficient cruise at extreme altitude where the air is thin and threats are minimal. Powered by a single Rolls-Royce AE3007H turbofan, the Global Hawk can transit to a theater thousands of miles away, loiter over the area of interest for an entire day, and return to base autonomously. The aircraft carries advanced synthetic aperture radar, electro-optical, and infrared sensors that can image targets in any weather, day or night, transmitting real-time data via satellite link to ground stations worldwide.

Variants include the RQ-4A Block 10/20, the larger Block 30 with enhanced sensors, and the U.S. Navy's MQ-4C Triton optimized for maritime patrol. The Global Hawk has flown operational missions over Afghanistan, Iraq, Libya, and the Pacific, logging tens of thousands of combat hours.

Its combination of endurance, altitude, and sensor payload remains unmatched among operational unmanned systems. SkyMeter has tracked flights across airframes and operators over routes, with the largest observed operator.

FLIGHTS
188
all time
FLOWN HOURS
284
tracked time
📍
AIRPORTS VISITED
36
unique
📡
CALLSIGNS
1
52 routes
📅
SERVICE PERIOD
8/25/2025 → 8/15/2026
first → last
INCIDENT RATE
0.0%
0 flagged

Top routes

By flight count

10
13
10
5
4
3
3
2
2
2
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

BRM Aero Bristell NG5

Engines
Single Piston
Vref (approach)
50 kt
MTOW
1,320 lb
Wake category
Light

Recent flights

Newest 50 operations of N299LM

50
8/15/2026
2h 10m
No alerts
8/15/2026
2h 8m
No alerts
8/14/2026
1h 45m
No alerts
8/12/2026
1h 19m
No alerts
8/10/2026
1h 0m
No alerts
8/10/2026
1h 53m
No alerts
8/9/2026
1h 10m
No alerts
8/8/2026
2m
No alerts
8/8/2026
1h 3m
No alerts
8/4/2026
1h 42m
No alerts
8/4/2026
1h 35m
No alerts
8/3/2026
1h 8m
No alerts
8/3/2026
6h 13m
No alerts
7/30/2026
3h 29m
No alerts
7/30/2026
2h 44m
No alerts
7/29/2026
1h 1m
No alerts
7/29/2026
1h 23m
No alerts
7/28/2026
59m
No alerts
7/28/2026
3h 1m
No alerts
7/27/2026
3h 1m
No alerts
7/26/2026
56m
No alerts
7/26/2026
2h 25m
No alerts
7/26/2026
2h 44m
No alerts
7/25/2026
59m
No alerts
7/25/2026
1h 29m
No alerts
7/25/2026
1h 36m
No alerts
6/21/2026
1h 1m
No alerts
6/20/2026
36m
No alerts
6/19/2026
1h 25m
No alerts
6/17/2026
1h 8m
No alerts
6/17/2026
1h 14m
No alerts
5/17/2026
1h 9m
No alerts
5/16/2026
1h 3m
No alerts
5/12/2026
2h 30m
No alerts
5/12/2026
1h 20m
No alerts
5/12/2026
47m
No alerts
5/12/2026
1h 24m
No alerts
5/12/2026
2h 40m
No alerts
5/11/2026
44m
No alerts
5/10/2026
1h 3m
No alerts
5/10/2026
18m
No alerts
5/10/2026
1h 3m
No alerts
4/23/2026
1h 2m
No alerts
4/23/2026
1h 21m
No alerts
4/23/2026
1h 6m
No alerts
4/23/2026
1h 58m
No alerts
4/22/2026
1h 27m
No alerts
4/22/2026
2h 1m
No alerts
4/21/2026
1h 6m
No alerts
4/17/2026
1h 34m
No alerts
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