ISU1 is operated by INDIANA STATE UNIVERSITY between Aero Plaines Airport (5II9) and Terre Haute Regional Airport, Hulman Field (KHUF). The flight is most often flown by a DIAMOND Diamond 20 Katana. Typical block time is 0h 37m. SkyMeter has observed 230 legs of this flight number via ADS-B.

✈
FLIGHTS
230
last 90 days
⏱
AVG DURATION
37m
tracked time
📅
SERVICE PERIOD
7/24/2025 → 8/13/2026
first → last seen
🗺
ROUTES / TYPES
57 / 1
city pairs · airframes
⚠
INCIDENT RATE
5.2%
12 flagged

Routes flown

By count · last 90 days

10
5II9 → KHUF
11
avg 8m · Aero Plaines → Terre Haute Regional Airport, Hulman Field
KHUF → KSIV
11
avg 12m · Terre Haute Regional Airport, Hulman Field → Sullivan County
KHUF → K3I3
7
avg 47m · Terre Haute Regional Airport, Hulman Field → Sky King
KHUF → KPRG
5
avg 45m · Terre Haute Regional Airport, Hulman Field → Edgar County
KHUF → 0I2
5
avg 58m · Terre Haute Regional Airport, Hulman Field → Brazil Clay County
52IN → KHUF
5
avg 19m · Higginbotham Field → Terre Haute Regional Airport, Hulman Field
US-1707 → KHUF
4
avg 5m · Turner Farms → Terre Haute Regional Airport, Hulman Field
50IN → KHUF
3
avg 35m · Austin Air Ads → Terre Haute Regional Airport, Hulman Field
K1H8 → KHUF
2
avg 44m · Casey → Terre Haute Regional Airport, Hulman Field
K4I7 → KHUF
2
avg 14m · Putnam County → Terre Haute Regional Airport, Hulman Field

Aircraft types

Equipment used on this number

1
DV20 DIAMOND Diamond 20 Katana
230

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
12
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 ISU1

30
N391DCDIAMOND Diamond 20 Katana
→
8/13/2026
35m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/12/2026
48m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/11/2026
1h 19m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/11/2026
6m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/10/2026
1h 7m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/10/2026
24m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/10/2026
25m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/10/2026
28m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/8/2026
44m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/8/2026
25m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/8/2026
6m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/7/2026
44m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/6/2026
1h 4m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/6/2026
4m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/6/2026
6m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/6/2026
30m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/6/2026
12m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/5/2026
20m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/5/2026
17m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/5/2026
3m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/5/2026
9m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/5/2026
1h 21m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/5/2026
20m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/5/2026
47m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/4/2026
1h 16m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/4/2026
10m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/4/2026
5m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/4/2026
17m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/4/2026
8m
△ Low approach-stability score
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
8/4/2026
22m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window