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 25m. SkyMeter has observed 151 legs of this flight number via ADS-B.

✈
FLIGHTS
151
last 90 days
⏱
AVG DURATION
25m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 06/26/2026
first → last seen
🗺
ROUTES / TYPES
20 / 2
city pairs · airframes
⚠
INCIDENT RATE
2.6%
4 flagged

Routes flown

By count · last 90 days

10
88OK → KSWO
7
avg 7m · Hilltop → Stillwater
KSWO → KF22
6
avg 23m · Stillwater → Perry
KSWO → KCUH
5
avg 30m · Stillwater → Cushing
6OK9 → KSWO
4
avg 20m · Mulberry Hill → Stillwater
88OK → KF22
3
avg 13m · Hilltop → Perry
KCUH → KSWO
2
avg 35m · Cushing → Stillwater
6OK9 → KF22
1
avg 9m · Mulberry Hill → Perry
OK65 → KSWO
1
avg 17m · Cushing Regional Hospital Heliport → Stillwater
KOKC → KSWO
1
avg 50m · Will Rogers World → Stillwater
04OK → KSWO
1
avg 8m · Stillwater Medical Center Heliport → Stillwater

Aircraft types

Equipment used on this number

2
C172 CESSNA Cessna Skyhawk 172/Cutlass
104
C72R CESSNA Cessna 172RG Cutlass RG
47

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
4
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
→
06/26/2026
14m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/26/2026
1h 5m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/26/2026
42m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/26/2026
15m
△ Unstable approach
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/26/2026
28m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/24/2026
4m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/24/2026
12m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/19/2026
9m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/19/2026
26m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/19/2026
51m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/17/2026
31m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/17/2026
47m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/16/2026
4m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/16/2026
49m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/16/2026
35m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/16/2026
44m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/16/2026
15m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/16/2026
6m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/15/2026
4m
△ Unstable approach
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/15/2026
38m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/14/2026
30m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/14/2026
35m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
06/12/2026
1h 4m
No alerts
Replay Analysis
N92004CESSNA Cessna 172RG Cutlass RG
→
06/09/2026
22m
No alerts
Replay Analysis
N92004CESSNA Cessna 172RG Cutlass RG
→
06/09/2026
15m
No alerts
Replay Analysis
N92004CESSNA Cessna 172RG Cutlass RG
→
06/09/2026
1h 12m
No alerts
Replay Analysis
N92004CESSNA Cessna 172RG Cutlass RG
→
06/08/2026
7m
No alerts
Replay Analysis
N92004CESSNA Cessna 172RG Cutlass RG
→
06/08/2026
18m
No alerts
Replay Analysis
N92004CESSNA Cessna 172RG Cutlass RG
→
06/08/2026
38m
No alerts
Replay Analysis
N92004CESSNA Cessna 172RG Cutlass RG
→
06/08/2026
57m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window