N4428M is operated by MITTELSTADT GARRET A between Waupun Memorial Hospital Heliport (WS75) and Gilbert Field (94C). The flight is most often flown by a PIPER Piper 12 Supercruiser. Typical block time is 0h 32m. SkyMeter has observed 9 legs of this flight number via ADS-B.

FLIGHTS
9
last 90 days
AVG DURATION
32m
tracked time
📅
SERVICE PERIOD
07/07/2025 → 06/28/2026
first → last seen
🗺
ROUTES / TYPES
9 / 1
city pairs · airframes
INCIDENT RATE
11.1%
1 flagged

Routes flown

By count · last 90 days

6
WS75 94C
1
avg 19m · Waupun Memorial Hospital Heliport → Gilbert Field
1
avg 25m · Fond du Lac County → Waupun
1
avg 47m · Waupun Memorial Hospital Heliport → Fond du Lac County
1
avg 40m · Waupun Memorial Hospital Heliport → Kenosha
1
avg 18m · Rex Ranch → Fond du Lac County
94C KDLL
1
avg 5m · Gilbert Field → Baraboo Wisconsin Dells

Aircraft types

Equipment used on this number

1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 16 operations of N4428M

16
06/18/2026
39m
△ Low approach-stability score
07/08/2025
13m
△ Low approach-stability score
07/08/2025
5m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window