BRAVO ALPHA AEROSPACE LLC· ICAO24 a9c5ac· last seen 5d ago

N729HB is an Aero Vodochody L-39 Albatros, a single-engine jet operated by BRAVO ALPHA AEROSPACE LLC. SkyMeter has tracked 182 flights totalling 280 hours of airtime via ADS-B. The most frequent segment is KOAK to KOAK. Service window in our records spans 415 days. Of those flights, 38 (20.9%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Aero Vodochody L-39 Albatros has a maximum takeoff weight of 10,362 lb, light wake category.

About the Aero Vodochody L-39 Albatros

The Aero Vodochody L-39 Albatros is a Czech-built subsonic jet trainer that became the most widely produced jet trainer in aviation history, with over 2,800 aircraft delivered between 1971 and 1996. Designed during the Cold War as the standard advanced trainer for Soviet bloc air forces, the L-39 replaced the earlier L-29 Delfín and introduced a more modern turbofan engine, tandem cockpit with excellent visibility, and docile handling characteristics that made it ideal for transitioning student pilots to jet operations. Its single Ivchenko AI-25TL turbofan produces 3,792 pounds of thrust, giving the aircraft a maximum speed of 466 knots and a service ceiling of 37,730 feet, while maintaining remarkably economical operating costs compared to Western contemporaries.

What distinguishes the L-39 in the 21st century is its thriving second life in civilian hands. Following the dissolution of the Warsaw Pact, hundreds of surplus Albatros aircraft entered the warbird market, where their relatively simple systems, forgiving flight characteristics, and jet performance made them accessible to private owners and contract adversary operators. The type has found particular success in the United States and other Western nations as an advanced aerobatic platform, formation trainer, and aggressor aircraft for military contract work. Companies like Draken International and ATAC operate fleets of L-39s to provide realistic adversary training for fighter squadrons, while individual owners fly them at airshows and in competitive aerobatics.

The aircraft's tandem seating, side-by-side ejection seats, and tip tanks give it an instantly recognizable profile. Its straight wing and conventional layout prioritize stability and ease of handling over raw performance, with approach speeds around 115 knots making it manageable for pilots transitioning from piston aircraft. The L-39 can sustain +8/-4 G loads and remains fully aerobatic throughout its envelope, though its subsonic design means it lacks the thrust-to-weight ratio of modern fighter trainers. Variants include the baseline L-39C trainer, the L-39ZA light attack version with underwing hardpoints, and the upgraded L-39NG with a Williams FJ44 engine that entered production in 2023.

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

FLIGHTS
182
all time
FLOWN HOURS
280
tracked time
📍
AIRPORTS VISITED
50
unique
📡
CALLSIGNS
1
73 routes
📅
SERVICE PERIOD
05/30/2025 → 07/19/2026
first → last
INCIDENT RATE
20.9%
38 flagged

Top routes

By flight count

10
4
3
3
3
2
KOAK 2Q5
2
1
1
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Aero Vodochody L-39 Albatros

Engines
Single Jet
Vref (approach)
115 kt
Vmo
405 kt
MTOW
10,362 lb
Wake category
L

Recent flights

Newest 50 operations of N729HB

50
07/19/2026
36m
No alerts
07/17/2026
1h 8m
No alerts
07/17/2026
1h 16m
No alerts
07/17/2026
1h 3m
No alerts
07/17/2026
4h 56m
No alerts
07/14/2026
2h 42m
No alerts
07/13/2026
1h 20m
No alerts
07/13/2026
1h 21m
No alerts
07/09/2026
1h 12m
No alerts
07/09/2026
1h 22m
No alerts
07/09/2026
3h 33m
No alerts
07/09/2026
18m
△ Low approach-stability score
07/08/2026
53m
No alerts
07/08/2026
3h 17m
△ Low approach-stability score
07/08/2026
1h 0m
No alerts
06/24/2026
51m
No alerts
06/23/2026
59m
No alerts
06/23/2026
7m
No alerts
06/22/2026
1h 6m
No alerts
05/31/2026
58m
No alerts
05/31/2026
21m
No alerts
05/31/2026
37m
No alerts
05/31/2026
58m
No alerts
05/12/2026
22m
No alerts
05/12/2026
45m
No alerts
04/25/2026
3h 34m
No alerts
04/25/2026
1h 36m
No alerts
04/25/2026
8h 37m
No alerts
04/25/2026
1h 43m
No alerts
04/22/2026
1h 8m
No alerts
04/21/2026
8m
No alerts
02/28/2026
58m
No alerts
02/27/2026
51m
No alerts
02/27/2026
1h 49m
No alerts
02/27/2026
1h 47m
No alerts
02/27/2026
2h 10m
No alerts
12/14/2025
44m
△ Low approach-stability score
12/13/2025
42m
No alerts
12/13/2025
14m
No alerts
12/13/2025
17m
No alerts
12/13/2025
55m
No alerts
12/13/2025
6h 30m
△ Low approach-stability score
12/13/2025
1h 46m
No alerts
12/03/2025
1h 23m
No alerts
12/02/2025
49m
△ Low approach-stability score
12/01/2025
27m
No alerts
12/01/2025
35m
No alerts
12/01/2025
2h 57m
△ Low approach-stability score
12/01/2025
1h 17m
△ Low approach-stability score
12/01/2025
9m
No alerts
© SkyMeter · All flight data subject to ODbL attribution