N
N991D
VANCE WILLIAM F · BZN → BIL
N991D is operated by VANCE WILLIAM F between Gallatin Field (KBZN) and Billings Logan International Airport (KBIL). The flight is most often flown by a BEECH Beechcraft 95 Travel Air. Typical block time is 0h 45m. SkyMeter has observed 4 legs of this flight number via ADS-B.
✈
FLIGHTS
4
last 90 days
⏱
AVG DURATION
45m
tracked time
📅
SERVICE PERIOD
05/31/2025 → 07/01/2026
first → last seen
🗺
ROUTES / TYPES
1 / 1
city pairs · airframes
⚠
INCIDENT RATE
25.0%
1 flagged
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 N991D
07/01/2026
1h 2m
△ Unstable approach
06/22/2026
36m
No alerts
05/04/2026
37m
No alerts
04/20/2026
47m
No alerts
03/30/2026
44m
No alerts
02/23/2026
55m
△ Unstable approach
02/23/2026
52m
△ Unstable approach
01/29/2026
18m
No alerts
01/29/2026
11m
No alerts
12/26/2025
2h 42m
No alerts
12/26/2025
1h 44m
No alerts
12/26/2025
6h 47m
No alerts
12/23/2025
5h 30m
No alerts
12/14/2025
35m
No alerts
11/16/2025
39m
No alerts
11/09/2025
20m
△ Unstable approach
11/09/2025
1h 46m
No alerts
11/09/2025
2h 7m
No alerts
11/09/2025
5h 21m
No alerts
11/06/2025
6h 12m
No alerts
10/22/2025
14m
△ Unstable approach
10/22/2025
10m
No alerts
09/26/2025
14m
△ Unstable approach
09/25/2025
10h 2m
No alerts
09/23/2025
32m
No alerts
08/31/2025
29m
No alerts
08/25/2025
45m
△ Unstable approach
06/18/2025
21m
No alerts
06/18/2025
53m
△ Unstable approach
05/31/2025
30m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window