MERTESDORF DANIEL R· ICAO24 adae73· last seen 13h ago

N9807B is a Beechcraft 14, a single-engine piston aircraft operated by MERTESDORF DANIEL R. SkyMeter has tracked 28 flights totalling 13 hours of airtime via ADS-B. The most frequent segment is KE25 to 27AZ. Service window in our records spans 430 days. Of those flights, 2 (7.1%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Beechcraft 14 has a maximum takeoff weight of 1,950 lb, light wake category.

About the Beechcraft 14

The Beechcraft Model 14 Aero Sport stands as one of the rarest and most obscure aircraft ever to carry the Beech name. Introduced in the mid-1930s as a single-seat open-cockpit biplane, the Model 14 was Walter Beech's brief foray into the aerobatic and sportplane market during the depths of the Great Depression. Powered by a modest four-cylinder engine producing around 95 horsepower, the Aero Sport was designed for private owners seeking an affordable aerobatic trainer or weekend fun machine.

Its fabric-covered steel-tube fuselage and wooden wing spars reflected the construction norms of the era, and its nimble handling made it popular among the handful of pilots who could afford one. Beechcraft built fewer than two dozen examples before discontinuing the type in favor of the more commercially successful Staggerwing and Twin Beech lines, making the Model 14 one of the company's shortest production runs. Today, the surviving airframes are prized collectibles in the warbird and vintage aircraft community, with most residing in private collections or occasionally appearing at airshows.

The type's scarcity means few pilots have ever flown one, and documentation of its performance envelope remains sparse. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
28
all time
FLOWN HOURS
13
tracked time
📍
AIRPORTS VISITED
9
unique
📡
CALLSIGNS
1
9 routes
📅
SERVICE PERIOD
6/12/2025 → 8/16/2026
first → last
INCIDENT RATE
7.1%
2 flagged

Top routes

By flight count

5
3
3
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Beechcraft 14

Engines
Single Piston
Vref (approach)
70 kt
MTOW
1,950 lb
Wake category
L

Recent flights

Newest 14 operations of N9807B

14
8/16/2026
24m
△ Low approach-stability score
5/23/2026
24m
No alerts
1/11/2026
15m
No alerts
1/11/2026
20m
No alerts
1/11/2026
3h 30m
No alerts
9/21/2025
19m
No alerts
9/21/2025
11m
No alerts
6/12/2025
13m
No alerts
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