N9557U is a flight number operated by LEE HENRY between Oceano County Airport (L52) and San Luis County Regional Airport (KSBP). SkyMeter last tracked N9557U on August 25, 2026. The flight is most often flown by a GRUMMAN AMERICAN Grumman American AA1. Typical block time is 0h 26m. SkyMeter has observed 6 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
6
last 90 days
⏱
AVG DURATION
26m
tracked time
📅
SERVICE PERIOD
7/7/2025 → 8/25/2026
first → last seen
🗺
ROUTES / TYPES
6 / 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 N9557U
8/25/2026
36m
No alerts
8/25/2026
37m
No alerts
7/27/2026
18m
No alerts
7/24/2026
24m
No alerts
7/24/2026
5m
No alerts
7/24/2026
37m
No alerts
7/3/2026
16m
No alerts
5/2/2026
31m
No alerts
5/2/2026
1h 25m
No alerts
5/2/2026
54m
No alerts
5/1/2026
1h 30m
No alerts
3/16/2026
30m
No alerts
3/9/2026
16m
No alerts
2/12/2026
1h 19m
No alerts
2/12/2026
1h 19m
No alerts
2/9/2026
1h 23m
No alerts
2/9/2026
1h 23m
No alerts
2/2/2026
1h 32m
No alerts
2/2/2026
1h 33m
No alerts
12/1/2025
9m
No alerts
11/4/2025
10m
No alerts
10/17/2025
44m
No alerts
10/17/2025
45m
No alerts
9/6/2025
1h 23m
No alerts
9/5/2025
1h 37m
No alerts
8/21/2025
36m
No alerts
8/19/2025
36m
No alerts
8/19/2025
14m
No alerts
8/19/2025
2h 9m
No alerts
7/21/2025
46m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window