N4639Q

GRUNDMANN KARL · MNZ MGC

N4639Q is operated by GRUNDMANN KARL between Manassas Regional Airport/Harry P. Davis Field (KHEF) and Michigan City Municipal Airport (KMGC). The flight is most often flown by a CESSNA Cessna 210 Centurion. Typical block time is 1h 57m. SkyMeter has observed 9 legs of this flight number via ADS-B.

FLIGHTS
9
last 90 days
AVG DURATION
1h 57m
tracked time
📅
SERVICE PERIOD
6/3/2025 → 8/17/2026
first → last seen
🗺
ROUTES / TYPES
9 / 1
city pairs · airframes
INCIDENT RATE
22.2%
2 flagged

Routes flown

By count · last 90 days

9
1
avg 3h 30m · Manassas Regional Airport/Harry P. Davis Field → Michigan City
1
avg 2h 24m · Double S Farms → Wings Field
1
avg 1h 15m · Wings Field → Manassas Regional Airport/Harry P. Davis Field
1
avg 2h 41m · Wittman → Willard
1
avg 9m · Manassas Regional Airport/Harry P. Davis Field → Warrenton Fauquier
1
avg 1h 46m · South River → Manassas Regional Airport/Harry P. Davis Field
1
avg 1h 29m · Manassas Regional Airport/Harry P. Davis Field → Mid-Carolina
1
avg 2h 38m · Michigan City → Wittman
1
avg 1h 49m · Essex County → Manassas Regional Airport/Harry P. Davis Field

Aircraft types

Equipment used on this number

1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 N4639Q

30
7/17/2026
2h 37m
△ Low approach-stability score
6/4/2026
1h 45m
△ Low approach-stability score
1/2/2026
38m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window