N
N2521U is a flight number operated by N2521U LLC between Dog Fish Bar Heliport (MA11) and Danbury Municipal Airport (KDXR). SkyMeter last tracked N2521U on October 7, 2026. The flight is most often flown by a PIPER Piper Cherokee. Typical block time is 1h 13m. SkyMeter has observed 9 legs of this flight number via ADS-B.
SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.
✈
FLIGHTS
9
last 90 days
⏱
AVG DURATION
1h 13m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/7/2026
first → last seen
🗺
ROUTES / TYPES
5 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged
Routes flown
By count · last 90 days
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
0
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 N2521U
8/15/2026
1h 5m
No alerts
4/11/2026
1h 46m
No alerts
10/4/2025
53m
△ Low approach-stability score
10/3/2025
1h 20m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window