WMU81 is operated by BOARD OF TRUSTEES OF WESTERN MICHIGAN UNIVERSITY between Battle Creek Executive Airport at Kellogg Field (KBTL) and Branch County Memorial Airport (KOEB). The flight is most often flown by a CIRRUS Cirrus SR-20. Typical block time is 0h 39m. SkyMeter has observed 153 legs of this flight number via ADS-B.

✈
FLIGHTS
153
last 90 days
⏱
AVG DURATION
39m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 7/25/2026
first → last seen
🗺
ROUTES / TYPES
55 / 1
city pairs · airframes
⚠
INCIDENT RATE
1.3%
2 flagged

Routes flown

By count · last 90 days

10
KBTL → KOEB
8
avg 22m · Battle Creek Executive Airport at Kellogg Field → Branch County
77MI → KBTL
7
avg 8m · David's → Battle Creek Executive Airport at Kellogg Field
KBTL → KRMY
6
avg 20m · Battle Creek Executive Airport at Kellogg Field → Brooks Field
KBTL → KAZO
5
avg 58m · Battle Creek Executive Airport at Kellogg Field → Kalamazoo Battle Creek
MI56 → KBTL
5
avg 8m · Boulder Canyon → Battle Creek Executive Airport at Kellogg Field
MI69 → KBTL
3
avg 1h 4m · Battle Creek Health System Helistop → Battle Creek Executive Airport at Kellogg Field
KHAI → KBTL
2
avg 11m · Three Rivers Municipal Dr Haines → Battle Creek Executive Airport at Kellogg Field
9MI1 → KBTL
2
avg 43m · Custer Main Heliport → Battle Creek Executive Airport at Kellogg Field
KAZO → KBTL
2
avg 39m · Kalamazoo Battle Creek → Battle Creek Executive Airport at Kellogg Field
KRMY → KBTL
2
avg 21m · Brooks Field → Battle Creek Executive Airport at Kellogg Field

Aircraft types

Equipment used on this number

1
SR20 CIRRUS Cirrus SR-20
155

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 30 operations of WMU81

30
N817WMCIRRUS Cirrus SR-20
→
7/25/2026
56m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/22/2026
52m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/22/2026
18m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/22/2026
39m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/22/2026
57m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/15/2026
50m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/15/2026
25m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/14/2026
1h 33m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/14/2026
5m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/14/2026
9m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/14/2026
4m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/14/2026
40m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/14/2026
1h 35m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/14/2026
10m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/13/2026
22m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/13/2026
30m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/13/2026
26m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/13/2026
25m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/13/2026
4m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/13/2026
32m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/13/2026
58m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/13/2026
1h 3m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/11/2026
1h 5m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/11/2026
1h 0m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/11/2026
36m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/11/2026
15m
△ Low approach-stability score
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/11/2026
1h 3m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/11/2026
10m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/10/2026
32m
No alerts
Replay Analysis
N817WMCIRRUS Cirrus SR-20
→
7/10/2026
11m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window