DECEMBER 1944 LLC· ICAO24 a55119· last seen 19d ago

N4413D is a Boeing B-17G, a four-engine piston aircraft operated by DECEMBER 1944 LLC. SkyMeter has tracked 88 flights totalling 36 hours of airtime via ADS-B. The most frequent segment is KFTW to KFTW. Service window in our records spans 374 days. Of those flights, 10 (11.4%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Boeing B-17G has a maximum takeoff weight of 65,500 lb, medium wake category.

About the Boeing B-17G

The Boeing B-17 Flying Fortress is the most iconic American heavy bomber of World War II, famous for its ruggedness, defensive firepower, and ability to absorb catastrophic battle damage and still bring crews home. First flown in 1935 and entering service in 1938, the B-17 became the backbone of the U.S. Eighth Air Force's daylight strategic bombing campaign over Europe, with the G-model representing the definitive production variant featuring a chin turret and improved defensive armament totaling thirteen .50-caliber machine guns. More than 12,700 B-17s were built, with the type flying some of the war's most famous and costly missions including the raids on Schweinfurt and Regensburg.

The Flying Fortress earned its legendary status through a combination of structural strength, redundant systems, and operational ceiling that allowed formation bombing from altitudes above 25,000 feet, beyond the effective reach of most flak and fighters early in the war. Its four Wright R-1820 Cyclone radial engines, each producing 1,200 horsepower, gave it a maximum speed of 287 mph and a combat radius exceeding 1,000 miles with a typical 4,000-pound bomb load. The aircraft's ability to remain airborne on two engines and limp home with massive structural damage became the stuff of legend, with countless accounts of B-17s returning to base with engines out, tail sections nearly severed, and gaping holes in wings and fuselage.

Today, fewer than a dozen B-17s remain airworthy worldwide, maintained by warbird organizations and museums as flying memorials to the 47,000 aircrew members killed flying them in combat. These survivors are meticulously restored to G-model configuration and operate under strict FAA limitations, typically powered by original or overhauled R-1820 engines and flown at weights well below the wartime maximum of 65,500 pounds. The type's stall characteristics remain demanding (power-on stalls can break sharply, and asymmetric thrust on two engines requires immediate corrective action), making current operators among the most experienced warbird pilots in the world.

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

FLIGHTS
88
all time
FLOWN HOURS
36
tracked time
📍
AIRPORTS VISITED
18
unique
📡
CALLSIGNS
1
21 routes
📅
SERVICE PERIOD
06/25/2025 → 07/04/2026
first → last
INCIDENT RATE
11.4%
10 flagged

Top routes

By flight count

10
16
2
2
2
2
1
1
1
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Boeing B-17G

Engines
Quad Piston
Vref (approach)
90 kt
MTOW
65,500 lb
Wake category
M

Recent flights

Newest 44 operations of N4413D

44
07/04/2026
14m
No alerts
06/30/2026
12m
No alerts
06/30/2026
12m
No alerts
06/30/2026
15m
△ Low approach-stability score
06/30/2026
23m
No alerts
06/14/2026
24m
No alerts
06/14/2026
27m
No alerts
06/14/2026
43m
No alerts
06/09/2026
40m
No alerts
06/09/2026
42m
No alerts
06/09/2026
24m
No alerts
05/23/2026
18m
No alerts
05/23/2026
24m
No alerts
05/23/2026
42m
No alerts
04/07/2026
6m
No alerts
04/07/2026
8m
No alerts
04/07/2026
32m
No alerts
04/07/2026
9m
No alerts
04/07/2026
17m
No alerts
04/07/2026
16m
△ Low approach-stability score
04/07/2026
34m
No alerts
02/15/2026
13m
No alerts
02/15/2026
29m
No alerts
02/12/2026
13m
No alerts
02/12/2026
23m
No alerts
01/15/2026
40m
No alerts
11/01/2025
14m
No alerts
11/01/2025
12m
No alerts
11/01/2025
13m
No alerts
10/26/2025
35m
No alerts
10/26/2025
13m
No alerts
10/26/2025
7m
No alerts
09/20/2025
59m
No alerts
09/11/2025
16m
△ Low approach-stability score
09/11/2025
1h 2m
No alerts
08/04/2025
39m
No alerts
08/04/2025
40m
No alerts
08/03/2025
36m
No alerts
06/25/2025
23m
No alerts
06/25/2025
24m
△ Low approach-stability score
06/25/2025
18m
No alerts
06/25/2025
25m
No alerts
06/25/2025
19m
No alerts
06/25/2025
12m
△ Low approach-stability score
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