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 33m. SkyMeter has observed 165 legs of this flight number via ADS-B.

✈
FLIGHTS
165
last 90 days
⏱
AVG DURATION
33m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/25/2026
first → last seen
🗺
ROUTES / TYPES
32 / 2
city pairs · airframes
⚠
INCIDENT RATE
6.1%
10 flagged

Routes flown

By count · last 90 days

10
88OK → KSWO
19
avg 12m · Hilltop → Stillwater
KSWO → KF22
9
avg 29m · Stillwater → Perry
6OK9 → KSWO
8
avg 22m · Mulberry Hill → Stillwater
OK38 → KSWO
4
avg 18m · Stillwater Medical-Perry Heliport → Stillwater
KSWO → KCUH
3
avg 33m · Stillwater → Cushing
9OK2 → KSWO
2
avg 17m · Pawnee Municipal Hospital Heliport → Stillwater
US-0716 → KSWO
1
avg 21m · Pegasus Airpark → Stillwater
KSWO → KSHV
1
avg 2h 34m · Stillwater → Shreveport
OL16 → KF22
1
avg 59m · Mercy Health Center Heliport → Perry
30KS → KPNC
1
avg 10m · Tyler → Ponca City

Aircraft types

Equipment used on this number

2
C172 CESSNA Cessna Skyhawk 172/Cutlass
158
C72R CESSNA Cessna 172RG Cutlass RG
7

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
10
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
→
8/25/2026
43m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/24/2026
1h 0m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/24/2026
21m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/24/2026
24m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/24/2026
15m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/24/2026
43m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/24/2026
1h 41m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/23/2026
49m
△ Low approach-stability score
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/23/2026
2h 46m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/22/2026
23m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/22/2026
24m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/21/2026
1h 5m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/21/2026
1h 18m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/21/2026
28m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/20/2026
17m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/20/2026
23m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/20/2026
20m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/20/2026
1h 23m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/20/2026
41m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/19/2026
45m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/19/2026
5m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/19/2026
26m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/19/2026
8m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/19/2026
49m
No alerts
Replay Analysis
N92004CESSNA Cessna Skyhawk 172/Cutlass
→
8/18/2026
45m
No alerts
Replay Analysis
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
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window