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 36m. SkyMeter has observed 180 legs of this flight number via ADS-B.

✈
FLIGHTS
180
last 90 days
⏱
AVG DURATION
36m
tracked time
📅
SERVICE PERIOD
5/29/2025 → 8/14/2026
first → last seen
🗺
ROUTES / TYPES
35 / 1
city pairs · airframes
⚠
INCIDENT RATE
4.4%
8 flagged

Routes flown

By count · last 90 days

10
US-0166 → KGFK
18
avg 13m · Shimpa Airstrip → Grand Forks
7MN8 → KGFK
12
avg 18m · Willis → Grand Forks
KGFK → KTVF
11
avg 41m · Grand Forks → Thief River Falls
MN06 → KGFK
10
avg 10m · Pulkrabek Private Landing Field → Grand Forks
MN81 → KGFK
7
avg 6m · J J and T → Grand Forks
KGFK → 7MN8
5
avg 37m · Grand Forks → Willis
K2C8 → KGFK
4
avg 33m · Cavalier → Grand Forks
ND89 → KGFK
3
avg 48m · Mutschler Field → Grand Forks
KGFK → KFAR
3
avg 1h 3m · Grand Forks → Hector
KFAR → KGFK
3
avg 1h 1m · Hector → Grand Forks

Aircraft types

Equipment used on this number

1
PA44 PIPER Piper Seminole
187

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
8
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
→
8/14/2026
34m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/14/2026
22m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/14/2026
35m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/13/2026
7m
△ Low approach-stability score
Replay Analysis
N891NDPIPER Piper Seminole
→
8/13/2026
39m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/13/2026
21m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/13/2026
54m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/12/2026
4m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/11/2026
41m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/7/2026
5m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/7/2026
2h 52m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/7/2026
3m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/6/2026
26m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/6/2026
33m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/6/2026
7m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/6/2026
18m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/6/2026
8m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/6/2026
34m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/6/2026
43m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/5/2026
28m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/5/2026
12m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/5/2026
17m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/5/2026
38m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/5/2026
37m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/4/2026
11m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/4/2026
14m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/4/2026
1h 19m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/4/2026
9m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/4/2026
16m
No alerts
Replay Analysis
N891NDPIPER Piper Seminole
→
8/1/2026
5m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window