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N527BK is a flight number operated by SHIRES PATRICK O between Calaveras Co Maury Rasmussen Field (KCPU) and Van Nuys Airport (KVNY). SkyMeter last tracked N527BK on October 19, 2026. The flight is most often flown by a PIPER Piper Cherokee. Typical block time is 1h 12m. SkyMeter has observed 18 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
18
last 90 days
⏱
AVG DURATION
1h 12m
tracked time
📅
SERVICE PERIOD
5/30/2025 → 10/20/2026
first → last seen
🗺
ROUTES / TYPES
15 / 1
city pairs · airframes
⚠
INCIDENT RATE
5.6%
1 flagged
Routes flown
By count · last 90 days
avg 45m
·
Calaveras Co Maury Rasmussen Field → Reid-Hillview Airport of Santa Clara County
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
1
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 N527BK
9/28/2026
1h 18m
No alerts
9/11/2026
1h 31m
△ Low approach-stability score
8/28/2026
2h 36m
No alerts
7/20/2026
1h 12m
No alerts
7/18/2026
1h 21m
No alerts
7/16/2026
1h 31m
△ Low approach-stability score
7/15/2026
48m
△ Low approach-stability score
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window