N421GL

DIFFUSION LLC · NK40 → HPN

N421GL is operated by DIFFUSION LLC between Regeneron Campus Heliport (NK40) and Westchester County Airport (KHPN). The flight is most often flown by a CESSNA Cessna Golden Eagle 421. Typical block time is 0h 46m. SkyMeter has observed 43 legs of this flight number via ADS-B.

✈
FLIGHTS
43
last 90 days
⏱
AVG DURATION
46m
tracked time
📅
SERVICE PERIOD
06/04/2025 → 07/14/2026
first → last seen
🗺
ROUTES / TYPES
38 / 1
city pairs · airframes
⚠
INCIDENT RATE
4.7%
2 flagged

Routes flown

By count · last 90 days

10
KRMG → KTOC
2
avg 29m · Richard B Russell → Toccoa Airport - R.G. Letourneau Field
NK40 → KHPN
2
avg 5m · Regeneron Campus Heliport → Westchester County
KECP → KGVL
1
avg 1h 17m · Northwest Florida Beaches → Lee Gilmer
KDNN → KLKU
1
avg 1h 58m · Dalton → Louisa County Airport/Freeman Field
KDTS → KVPC
1
avg 1h 20m · Destin Executive → Cartersville
KTGC → KRMG
1
avg 1h 8m · Gibson County → Richard B Russell
02GE → KRMG
1
avg 5m · Etowah Fields → Richard B Russell
KAVL → KRMG
1
avg 48m · Asheville → Richard B Russell
3GE3 → KGVL
1
avg 10m · Broad River Air Park → Lee Gilmer
KRMG → KHSV
1
avg 45m · Richard B Russell → Huntsville International Carl T Jones Field

Aircraft types

Equipment used on this number

1
C421 CESSNA Cessna Golden Eagle 421
45

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of N421GL

30
N421GLCESSNA Cessna Golden Eagle 421
→
07/14/2026
4m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/14/2026
4m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/14/2026
43m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/14/2026
43m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/13/2026
2h 10m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/13/2026
1h 57m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/13/2026
2m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/06/2026
21m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/06/2026
1h 17m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/05/2026
1h 18m
△ Low approach-stability score
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/03/2026
2m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/03/2026
48m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
07/03/2026
49m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/17/2026
7m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/11/2026
53m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/11/2026
40m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/11/2026
3h 3m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/10/2026
44m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/10/2026
1h 18m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/10/2026
19m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/10/2026
9m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/09/2026
27m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/06/2026
34m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/06/2026
45m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/05/2026
38m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/05/2026
38m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/02/2026
4m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/02/2026
1h 19m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
06/02/2026
1h 31m
No alerts
Replay Analysis
N421GLCESSNA Cessna Golden Eagle 421
→
05/31/2026
22m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window