AIP9921

ALPINE AVIATION INC · BIL → APA

AIP9921 is operated by ALPINE AVIATION INC between Billings Logan International Airport (KBIL) and Centennial Airport (KAPA). The flight is most often flown by a BEECH Beech 1900/C-12J. Typical block time is 1h 3m. SkyMeter has observed 24 legs of this flight number via ADS-B.

✈
FLIGHTS
24
last 90 days
⏱
AVG DURATION
1h 3m
tracked time
📅
SERVICE PERIOD
5/28/2026 → 8/11/2026
first → last seen
🗺
ROUTES / TYPES
20 / 2
city pairs · airframes
⚠
INCIDENT RATE
8.3%
2 flagged

Routes flown

By count · last 90 days

10
KBIL → KAPA
2
avg 1h 37m · Billings Logan → Centennial
KDEN → KAPA
2
avg 18m · Denver → Centennial
KAPA → KBIL
2
avg 1h 53m · Centennial → Billings Logan
KIDA → KSLC
1
avg 47m · Idaho Falls → Salt Lake City
US-1513 → KBIL
1
avg 37m · Husky Ranch → Billings Logan
KRNO → KFSD
1
avg 4h 37m · Reno Tahoe → Joe Foss Field
0MT5 → KBIL
1
avg 7m · Cottonwood → Billings Logan
KCYS → KPVU
1
avg 1h 28m · Cheyenne Regional Jerry Olson Field → Provo
KJVY → KEYE
1
avg 31m · Clark → Eagle Creek Airpark
KAPA → KDEN
1
avg 43m · Centennial → Denver

Aircraft types

Equipment used on this number

2
B190 BEECH Beech 1900/C-12J
20
BE99 BEECH Beech Airliner 99
4

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 24 operations of AIP9921

24
N197GABEECH Beech 1900/C-12J
→
8/11/2026
19m
No alerts
Replay Analysis
N821SFBEECH Beech 1900/C-12J
→
7/30/2026
31m
No alerts
Replay Analysis
N150KJBEECH Beech 1900/C-12J
→
7/28/2026
37m
△ Low approach-stability score
Replay Analysis
N640AXBEECH Beech 1900/C-12J
→
7/25/2026
37m
No alerts
Replay Analysis
N64UCBEECH Beech 1900/C-12J
→
7/24/2026
17m
No alerts
Replay Analysis
N899CABEECH Beech Airliner 99
→
7/17/2026
31m
No alerts
Replay Analysis
N197GABEECH Beech 1900/C-12J
→
7/16/2026
43m
No alerts
Replay Analysis
N132KCBEECH Beech 1900/C-12J
→
7/13/2026
1h 45m
△ Low approach-stability score
Replay Analysis
N220GLBEECH Beech 1900/C-12J
→
7/13/2026
1h 39m
No alerts
Replay Analysis
N170GLBEECH Beech 1900/C-12J
→
7/13/2026
4h 37m
No alerts
Replay Analysis
N208GLBEECH Beech 1900/C-12J
→
7/10/2026
1h 28m
No alerts
Replay Analysis
N422AXBEECH Beech 1900/C-12J
→
7/3/2026
47m
No alerts
Replay Analysis
N261GLBEECH Beech 1900/C-12J
→
7/2/2026
11m
No alerts
Replay Analysis
N197GABEECH Beech 1900/C-12J
→
7/1/2026
16m
No alerts
Replay Analysis
N245GLBEECH Beech 1900/C-12J
→
6/30/2026
1h 16m
No alerts
Replay Analysis
N236ALBEECH Beech Airliner 99
→
6/29/2026
7m
No alerts
Replay Analysis
N236ALBEECH Beech Airliner 99
→
6/29/2026
33m
No alerts
Replay Analysis
N132KCBEECH Beech 1900/C-12J
→
6/22/2026
21m
No alerts
Replay Analysis
N231YVBEECH Beech 1900/C-12J
→
6/22/2026
2h 0m
No alerts
Replay Analysis
N132KCBEECH Beech 1900/C-12J
→
6/22/2026
1h 35m
No alerts
Replay Analysis
N169GLBEECH Beech 1900/C-12J
→
6/20/2026
2h 14m
No alerts
Replay Analysis
N231YVBEECH Beech 1900/C-12J
→
6/6/2026
2h 6m
No alerts
Replay Analysis
N390RHBEECH Beech Airliner 99
→
6/3/2026
17m
No alerts
Replay Analysis
N219VPBEECH Beech 1900/C-12J
→
5/28/2026
24m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window