N999NB is operated by STOCKHAM CONSTRUCTION INC between Charles M. Schulz Sonoma County Airport (KSTS) and Merle K (Mudhole) Smith Airport (PACV). The flight is most often flown by a GULFSTREAM AEROSPACE Gulfstream IV/G400. Typical block time is 2h 51m. SkyMeter has observed 7 legs of this flight number via ADS-B.

✈
FLIGHTS
7
last 90 days
⏱
AVG DURATION
2h 51m
tracked time
📅
SERVICE PERIOD
5/29/2025 → 8/25/2026
first → last seen
🗺
ROUTES / TYPES
7 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

4
KSTS → PACV
1
avg 3h 55m · Charles M. Schulz Sonoma County → Merle K (Mudhole) Smith
KSTS → KGXY
1
avg 2h 4m · Charles M. Schulz Sonoma County → Greeley–Weld County
KRBD → KSTS
1
avg 3h 23m · Dallas Executive → Charles M. Schulz Sonoma County
KSTS → KRBD
1
avg 3h 22m · Charles M. Schulz Sonoma County → Dallas Executive

Aircraft types

Equipment used on this number

1
GLF4 GULFSTREAM AEROSPACE Gulfstream IV/G400
7

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 N999NB

30
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
8/25/2026
3h 23m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
8/21/2026
3h 21m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
8/19/2026
2h 23m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
8/18/2026
2h 3m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
8/17/2026
3h 33m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
8/13/2026
3h 55m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
8/10/2026
1h 16m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
6/2/2026
1h 4m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/26/2026
1h 6m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/25/2026
12m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/25/2026
1h 19m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/25/2026
1h 16m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/25/2026
3h 32m
△ Low approach-stability score
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/23/2026
3h 1m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/23/2026
46m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/22/2026
22m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/22/2026
1h 9m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/22/2026
1h 16m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/16/2026
1h 54m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/13/2026
1h 29m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/4/2026
1h 28m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/3/2026
2h 34m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/3/2026
1h 5m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
5/1/2026
37m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
4/30/2026
1h 4m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
4/14/2026
2h 51m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
4/13/2026
33m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
4/13/2026
6h 5m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
4/13/2026
1h 19m
No alerts
Replay Analysis
N999NBGULFSTREAM AEROSPACE Gulfstream IV/G400
→
4/9/2026
1h 2m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window