ISU1 is operated by INDIANA STATE UNIVERSITY between Terre Haute Regional Airport, Hulman Field (KHUF) and Sullivan County Airport (KSIV). The flight is most often flown by a DIAMOND Diamond 20 Katana. Typical block time is 0h 38m. SkyMeter has observed 215 legs of this flight number via ADS-B.

✈
FLIGHTS
215
last 90 days
⏱
AVG DURATION
38m
tracked time
📅
SERVICE PERIOD
07/24/2025 → 07/02/2026
first → last seen
🗺
ROUTES / TYPES
50 / 1
city pairs · airframes
⚠
INCIDENT RATE
6.0%
13 flagged

Routes flown

By count · last 90 days

10
KHUF → KSIV
12
avg 12m · Terre Haute Regional Airport, Hulman Field → Sullivan County
5II9 → KHUF
10
avg 7m · Aero Plaines → Terre Haute Regional Airport, Hulman Field
KHUF → KPRG
7
avg 1h 1m · Terre Haute Regional Airport, Hulman Field → Edgar County
KHUF → 0I2
6
avg 1h 8m · Terre Haute Regional Airport, Hulman Field → Brazil Clay County
50IN → KHUF
5
avg 25m · Austin Air Ads → Terre Haute Regional Airport, Hulman Field
KHUF → KRSV
4
avg 32m · Terre Haute Regional Airport, Hulman Field → Robinson
KHUF → K3I3
4
avg 40m · Terre Haute Regional Airport, Hulman Field → Sky King
US-1707 → KHUF
4
avg 7m · Turner Farms → Terre Haute Regional Airport, Hulman Field
K4I7 → KHUF
3
avg 29m · Putnam County → Terre Haute Regional Airport, Hulman Field
KPRG → 0I2
2
avg 34m · Edgar County → Brazil Clay County

Aircraft types

Equipment used on this number

1
DV20 DIAMOND Diamond 20 Katana
217

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
13
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
→
07/02/2026
59m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
07/02/2026
8m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
07/02/2026
47m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
07/01/2026
1h 24m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
07/01/2026
1h 27m
△ Unstable approach
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
07/01/2026
2h 12m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
07/01/2026
55m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/30/2026
2m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/30/2026
3m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/30/2026
1h 26m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/30/2026
18m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/30/2026
2m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/30/2026
8m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/29/2026
14m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/29/2026
34m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/24/2026
11m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/24/2026
12m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/24/2026
3m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/24/2026
1h 4m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/24/2026
1h 28m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/24/2026
1h 21m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/24/2026
31m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/23/2026
1h 34m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/23/2026
7m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/23/2026
14m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/23/2026
56m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/23/2026
15m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/23/2026
21m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/21/2026
1h 8m
No alerts
Replay Analysis
N391DCDIAMOND Diamond 20 Katana
→
06/21/2026
8m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window