XSN40 is operated by STAR PEAK AIR LLC between Charles M. Schulz Sonoma County Airport (KSTS) and Metropolitan Oakland International Airport (KOAK). The flight is most often flown by a PILATUS Pilatus PC-12. Typical block time is 1h 11m. SkyMeter has observed 127 legs of this flight number via ADS-B.

✈
FLIGHTS
127
last 90 days
⏱
AVG DURATION
1h 11m
tracked time
📅
SERVICE PERIOD
6/3/2025 → 8/17/2026
first → last seen
🗺
ROUTES / TYPES
100 / 1
city pairs · airframes
⚠
INCIDENT RATE
18.9%
24 flagged

Routes flown

By count · last 90 days

10
KSTS → KOAK
7
avg 24m · Charles M. Schulz Sonoma County → Metropolitan Oakland
KSTS → KSQL
4
avg 27m · Charles M. Schulz Sonoma County → San Carlos
KSTS → KTRK
4
avg 48m · Charles M. Schulz Sonoma County → Truckee Tahoe
KOAK → KSTS
3
avg 1h 22m · Metropolitan Oakland → Charles M. Schulz Sonoma County
64CA → KSTS
3
avg 47m · Tahoe Forest Hospital Heliport → Charles M. Schulz Sonoma County
KSMO → KSTS
2
avg 1h 26m · Santa Monica → Charles M. Schulz Sonoma County
KTRK → KSTS
2
avg 35m · Truckee Tahoe → Charles M. Schulz Sonoma County
KOAK → KLAX
2
avg 1h 41m · Metropolitan Oakland → Los Angeles
KSQL → KSTS
2
avg 1h 49m · San Carlos → Charles M. Schulz Sonoma County
KPSP → KSTS
2
avg 2h 10m · Palm Springs → Charles M. Schulz Sonoma County

Aircraft types

Equipment used on this number

1
PC12 PILATUS Pilatus PC-12
139

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
24
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 XSN40

30
N404TCPILATUS Pilatus PC-12
→
8/17/2026
1h 15m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/17/2026
1h 31m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/17/2026
31m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/15/2026
36m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/15/2026
39m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/15/2026
49m
△ Low approach-stability score
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/15/2026
33m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/14/2026
20m
△ Low approach-stability score
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/14/2026
1h 50m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/13/2026
1h 32m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/13/2026
16m
△ Low approach-stability score
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/12/2026
20m
△ Low approach-stability score
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/12/2026
48m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/11/2026
46m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/11/2026
1h 35m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/11/2026
1h 48m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/11/2026
30m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/10/2026
33m
△ Low approach-stability score
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/9/2026
1h 25m
△ Low approach-stability score
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/9/2026
51m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/9/2026
1h 10m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/9/2026
1h 23m
△ Low approach-stability score
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/9/2026
2h 6m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/8/2026
22m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/7/2026
1h 36m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/7/2026
1h 59m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/7/2026
1h 11m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/7/2026
1h 17m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/6/2026
23m
No alerts
Replay Analysis
N404TCPILATUS Pilatus PC-12
→
8/6/2026
2h 13m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window