N
N401S
N401S is operated by UNDERHILL HOLDINGS LLC between Tweed New Haven Airport (KHVN) and Westchester County Airport (KHPN). The flight is most often flown by a CESSNA Cessna 208 Caravan 1. Typical block time is 0h 22m. SkyMeter has observed 21 legs of this flight number via ADS-B.
✈
FLIGHTS
21
last 90 days
⏱
AVG DURATION
22m
tracked time
📅
SERVICE PERIOD
07/27/2025 → 07/05/2026
first → last seen
🗺
ROUTES / TYPES
19 / 1
city pairs · airframes
⚠
INCIDENT RATE
33.3%
7 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
7
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 N401S
07/05/2026
36m
△ Unstable approach
07/05/2026
46m
△ Unstable approach
07/04/2026
35m
⛨ TFR entry△ Unstable approach
07/04/2026
14m
△ Unstable approach
07/03/2026
6m
△ Unstable approach
07/01/2026
13m
△ Unstable approach
06/30/2026
15m
△ Unstable approach
01/08/2026
1h 35m
△ Unstable approach
11/20/2025
1h 50m
No alerts
09/30/2025
15m
△ Unstable approach
09/30/2025
3m
No alerts
09/30/2025
7m
△ Unstable approach
09/30/2025
4m
△ Unstable approach
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window