HKW439 is operated by NORTHWESTERN MICHIGAN COLLEGE between Sage Lake Seaplane Base (M47) and Green Lake Airport (Y88). The flight is most often flown by a CESSNA Cessna Skyhawk 172/Cutlass. Typical block time is 0h 44m. SkyMeter has observed 63 legs of this flight number via ADS-B.

FLIGHTS
63
last 90 days
AVG DURATION
44m
tracked time
📅
SERVICE PERIOD
11/25/2025 → 8/15/2026
first → last seen
🗺
ROUTES / TYPES
52 / 1
city pairs · airframes
INCIDENT RATE
1.6%
1 flagged

Routes flown

By count · last 90 days

10
M47 Y88
2
avg 27m · Sage Lake Seaplane Base → Green Lake
KTVC Y88
2
avg 9m · Cherry Capital → Green Lake
1
avg 46m · Wexford County → Gerald R. Ford
1
avg 1h 6m · Huron County → Gerald R. Ford
1
avg 34m · W A Foote Memorial Hospital Heliport → Bishop
1
avg 1h 40m · Gerald R. Ford → Hastings
1
avg 12m · Kelleys → Kalkaska City
KDTW 5Y2
1
avg 1h 21m · Detroit Metropolitan Wayne County → Houghton Lake State
6Y0 K3RC
1
avg 18m · Moorestown Airpark → Roscommon Conservation
1
avg 56m · Wexford County → Cherry Capital

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 30 operations of HKW439

30
8/6/2026
1h 23m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window