LONG DAVID M· ICAO24 a190bd· last seen Jun 2026

N20M is a Beech T-34/45 Mentor, a single-engine turboprop operated by LONG DAVID M. SkyMeter has tracked 108 flights totalling 39 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is KARR to KARR. Service window in our records spans 337 days. Of those flights, 16 (14.8%) 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
108
all time
FLOWN HOURS
39
tracked time
📍
AIRPORTS VISITED
30
unique
📡
CALLSIGNS
2
35 routes
📅
SERVICE PERIOD
07/18/2025 → 06/20/2026
first → last
INCIDENT RATE
14.8%
16 flagged

Top routes

By flight count

10
9
5
3
2
2
2
2
1
0C8 KDKB
1
1

Flight numbers

Most-flown by this airframe

2

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 N20M

50
02/03/2026
42m
△ Low approach-stability score
10/16/2025
9m
△ Low approach-stability score
09/30/2025
14m
△ Low approach-stability score
08/22/2025
17m
△ Low approach-stability score
08/07/2025
19m
△ Low approach-stability score
08/07/2025
16m
△ Low approach-stability score
08/06/2025
56m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution