N51HF is operated by SAN MATEO COUNTY SHERIFF'S OFFICE between Half Moon Bay Airport (KHAF) and San Carlos Airport (KSQL). The flight is most often flown by a CESSNA Cessna 206 Stationair. Typical block time is 1h 47m. SkyMeter has observed 42 legs of this flight number via ADS-B.

✈
FLIGHTS
42
last 90 days
⏱
AVG DURATION
1h 47m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/17/2026
first → last seen
🗺
ROUTES / TYPES
9 / 1
city pairs · airframes
⚠
INCIDENT RATE
2.4%
1 flagged

Routes flown

By count · last 90 days

8
KHAF → KSQL
1
avg 9m · Half Moon Bay → San Carlos
KSQL → KRHV
1
avg 26m · San Carlos → Reid-Hillview Airport of Santa Clara County
US-2787 → KSQL
1
avg 1h 35m · International Science Center Heliport → San Carlos
KSQL → KSFO
1
avg 1h 11m · San Carlos → San Francisco
KSQL → KHWD
1
avg 1h 6m · San Carlos → Hayward Executive
US-2775 → KSQL
1
avg 2h 46m · Goddard → San Carlos
KSQL → KHAF
1
avg 1h 58m · San Carlos → Half Moon Bay
US-2361 → KHWD
1
avg 1h 19m · Bay Meadows → Hayward Executive

Aircraft types

Equipment used on this number

1
C206 CESSNA Cessna 206 Stationair
42

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 N51HF

30
N51HFCESSNA Cessna 206 Stationair
→
07/17/2026
1h 32m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
07/13/2026
1h 41m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
07/13/2026
1h 21m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
07/09/2026
4h 17m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
07/06/2026
1h 55m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
07/04/2026
3h 15m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
07/02/2026
6m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
07/02/2026
2h 39m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
07/01/2026
3h 10m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/30/2026
1h 39m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/26/2026
1h 35m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/25/2026
24m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/23/2026
2h 3m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/23/2026
2h 6m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/20/2026
3h 9m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/18/2026
1h 59m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/17/2026
1h 24m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/17/2026
1h 56m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/16/2026
3h 7m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/13/2026
1h 41m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/13/2026
2h 52m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/13/2026
1h 11m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/11/2026
45m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/11/2026
1h 18m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/10/2026
2h 46m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/09/2026
21m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/09/2026
9m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/09/2026
1h 57m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/04/2026
4h 30m
No alerts
Replay Analysis
N51HFCESSNA Cessna 206 Stationair
→
06/04/2026
1h 35m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window