NDU91T is operated by UNIVERSITY OF NORTH DAKOTA, C/O JOHN D ODEGARD SCHOOL OF AEROSPA between Shimpa Airstrip (US-0166) and Grand Forks International Airport (KGFK). The flight is most often flown by a PIPER Piper Seminole. Typical block time is 0h 33m. SkyMeter has observed 217 legs of this flight number via ADS-B.

✈
FLIGHTS
217
last 90 days
⏱
AVG DURATION
33m
tracked time
📅
SERVICE PERIOD
05/29/2025 → 07/01/2026
first → last seen
🗺
ROUTES / TYPES
49 / 1
city pairs · airframes
⚠
INCIDENT RATE
11.5%
25 flagged

Routes flown

By count · last 90 days

10
US-0166 → KGFK
25
avg 12m · Shimpa Airstrip → Grand Forks
7MN8 → KGFK
18
avg 20m · Willis → Grand Forks
KGFK → KTVF
15
avg 37m · Grand Forks → Thief River Falls
KGFK → 7MN8
8
avg 40m · Grand Forks → Willis
MN06 → KGFK
6
avg 10m · Pulkrabek Private Landing Field → Grand Forks
KGFK → D81
4
avg 44m · Grand Forks → Red Lake Falls
MY01 → KGFK
4
avg 11m · Roan → Grand Forks
KTVF → KGFK
4
avg 18m · Thief River Falls → Grand Forks
KGFK → 4S5
2
avg 22m · Grand Forks → St Thomas
KGFK → KPMB
2
avg 34m · Grand Forks → Pembina

Aircraft types

Equipment used on this number

1
PA44 PIPER Piper Seminole
219

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
25
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 NDU91T

30
N891NDPIPER Piper Seminole
→
07/01/2026
9m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
07/01/2026
41m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/30/2026
15m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/30/2026
43m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/30/2026
43m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/29/2026
44m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/29/2026
52m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/29/2026
14m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/29/2026
26m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/29/2026
15m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/29/2026
33m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/28/2026
11m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/28/2026
46m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/28/2026
23m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/28/2026
6m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/28/2026
13m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/28/2026
41m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/28/2026
42m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/28/2026
12m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/27/2026
44m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/27/2026
1h 22m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/27/2026
1h 6m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/27/2026
11m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/27/2026
41m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/26/2026
12m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/26/2026
30m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/26/2026
42m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/26/2026
45m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
05/26/2026
35m
△ Unstable approach
Replay Analysis
N891NDPIPER Piper Seminole
→
05/26/2026
1h 50m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window