OST4 is operated by OKLAHOMA STATE UNIVERSITY between Hilltop Airport (88OK) and Stillwater Regional Airport (KSWO). The flight is most often flown by a CESSNA Cessna Skyhawk 172/Cutlass. Typical block time is 0h 29m. SkyMeter has observed 180 legs of this flight number via ADS-B.

✈
FLIGHTS
180
last 90 days
⏱
AVG DURATION
29m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/13/2026
first → last seen
🗺
ROUTES / TYPES
30 / 2
city pairs · airframes
⚠
INCIDENT RATE
5.0%
9 flagged

Routes flown

By count · last 90 days

10
88OK → KSWO
21
avg 10m · Hilltop → Stillwater
KSWO → KF22
8
avg 29m · Stillwater → Perry
6OK9 → KSWO
7
avg 22m · Mulberry Hill → Stillwater
KSWO → KCUH
4
avg 35m · Stillwater → Cushing
OK38 → KSWO
3
avg 15m · Stillwater Medical-Perry Heliport → Stillwater
US-0859 → KSWO
2
avg 8m · Red Rock South → Stillwater
30KS → KPNC
2
avg 8m · Tyler → Ponca City
US-0716 → KSWO
1
avg 21m · Pegasus Airpark → Stillwater
OL16 → KF22
1
avg 59m · Mercy Health Center Heliport → Perry
KCUH → KSWO
1
avg 34m · Cushing → Stillwater

Aircraft types

Equipment used on this number

2
C172 CESSNA Cessna Skyhawk 172/Cutlass
133
C72R CESSNA Cessna 172RG Cutlass RG
47

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
9
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 OST4

30
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/13/2026
54m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/12/2026
1h 3m
△ Low approach-stability score
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/12/2026
57m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/11/2026
54m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/11/2026
12m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/11/2026
33m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/11/2026
14m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/11/2026
8m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/11/2026
33m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/10/2026
1h 3m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/8/2026
48m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/7/2026
1h 15m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/29/2026
20m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/29/2026
11m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/28/2026
55m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/27/2026
44m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/27/2026
49m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/26/2026
1h 15m
△ Low approach-stability score
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/25/2026
11m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/25/2026
38m
△ Low approach-stability score
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/25/2026
28m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/25/2026
36m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/25/2026
50m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/25/2026
4m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/25/2026
40m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/24/2026
31m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/24/2026
23m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/24/2026
14m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/23/2026
15m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
7/23/2026
1h 3m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window