CASTLE AVIATION INC· ICAO24 a570dd· last seen 12d ago

N45MG is a Beech T-34/45 Mentor, a single-engine turboprop operated by CASTLE AVIATION INC. SkyMeter has tracked 464 flights totalling 308 hours of airtime via ADS-B across 3 callsigns. The most frequent segment is KCAK to KCAK. Service window in our records spans 485 days. Of those flights, 48 (10.3%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Beech T-34/45 Mentor has a 33 ft wingspan, a maximum takeoff weight of 5,500 lb.

About the Beech T-34/45 Mentor

The Beechcraft T-34C Turbo Mentor is the turboprop evolution of the classic T-34 Mentor piston trainer, serving as the U.S. Navy and Marine Corps' primary flight training aircraft from 1977 through 2023. Beechcraft developed the T-34C by replacing the Continental piston engine with a Pratt & Whitney Canada PT6A-25 turboprop producing 550 shaft horsepower, transforming the docile trainer into a more capable platform that could introduce student naval aviators to turbine operations and higher performance handling.

The type proved so successful that it remained in frontline training service for over four decades, logging millions of flight hours at Naval Air Station Whiting Field and Naval Air Station Corpus Christi before finally being retired in favor of the T-6 Texan II. Beyond U.S. military service, the T-34C was exported to numerous allied nations including Argentina, Ecuador, Morocco, and Peru, where some remain operational as both trainers and light attack aircraft.

The civilian market has embraced surplus T-34Cs as warbird collectibles and aerobatic performers, prized for their turbine reliability, tandem seating, and spirited handling characteristics that blend military pedigree with reasonable operating costs. With a maximum speed of 280 knots, a service ceiling above 30,000 feet, and fully aerobatic capability at weights below 4,000 pounds, the Turbo Mentor offers private owners a genuine taste of military jet training without the fuel burn or maintenance complexity of pure jets. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

✈
FLIGHTS
464
all time
⏱
FLOWN HOURS
308
tracked time
📍
AIRPORTS VISITED
83
unique
📡
CALLSIGNS
3
117 routes
📅
SERVICE PERIOD
6/9/2025 → 10/8/2026
first → last
⚠
INCIDENT RATE
10.3%
48 flagged

Top routes

By flight count

10
27
X36 → KPGD
6
6
4
4
4
3
3
3
3

Flight numbers

Most-flown by this airframe

3

Aircraft specifications

Beech T-34/45 Mentor

Engines
Single Turboprop
Vref (approach)
69 kt
Vmo
280 kt
MTOW
5,500 lb
Wingspan
33 ft
Length
29 ft
Wake category
Light

Recent flights

Newest 50 operations of N45MG

50
10/8/2026
3h 56m
△ Low approach-stability score
9/6/2026
1h 3m
△ Low approach-stability score
7/18/2026
41m
△ Low approach-stability score
7/18/2026
1h 3m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution