N199DZ

ZIVLEY MARK · 89TA IWS

N199DZ is operated by ZIVLEY MARK between Soaring Club of Houston Gliderport (89TA) and West Houston Airport (KIWS). The flight is most often flown by a . Typical block time is 1h 24m. SkyMeter has observed 18 legs of this flight number via ADS-B.

FLIGHTS
18
last 90 days
AVG DURATION
1h 24m
tracked time
📅
SERVICE PERIOD
6/6/2025 → 8/14/2026
first → last seen
🗺
ROUTES / TYPES
5 / 1
city pairs · airframes
INCIDENT RATE
5.6%
1 flagged

Routes flown

By count · last 90 days

2
1
avg 1h 10m · Soaring Club of Houston Gliderport → West Houston
1
avg 2h 21m · Soaring Club of Houston Gliderport → Navasota

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 N199DZ

30
8/14/2026
1h 24m
No alerts
8/8/2026
2h 2m
No alerts
7/26/2026
1h 54m
No alerts
7/26/2026
1h 10m
No alerts
7/25/2026
1h 33m
No alerts
7/25/2026
1h 14m
No alerts
7/18/2026
2h 21m
△ Low approach-stability score
7/17/2026
2h 27m
No alerts
7/4/2026
1h 57m
No alerts
7/3/2026
1h 54m
No alerts
7/1/2026
1h 55m
No alerts
6/13/2026
49m
No alerts
6/12/2026
1h 30m
No alerts
5/31/2026
1h 27m
No alerts
5/30/2026
18m
No alerts
11/15/2025
2h 9m
No alerts
11/15/2025
2h 9m
No alerts
10/12/2025
2h 22m
No alerts
10/9/2025
1h 49m
No alerts
10/4/2025
2h 44m
No alerts
10/1/2025
4h 37m
No alerts
9/30/2025
2h 21m
No alerts
9/27/2025
1h 49m
No alerts
9/27/2025
38m
No alerts
9/20/2025
2h 13m
No alerts
9/13/2025
1h 10m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window