N9171Z is operated by HESTERBERG BRETT, HESTERBERG JULIANNE between Reid-Hillview Airport of Santa Clara County (KRHV) and Oakdale Airport (KO27). The flight is most often flown by a MOONEY Mooney M-20C Ranger. Typical block time is 1h 5m. SkyMeter has observed 21 legs of this flight number via ADS-B.

✈
FLIGHTS
21
last 90 days
⏱
AVG DURATION
1h 5m
tracked time
📅
SERVICE PERIOD
6/18/2025 → 9/4/2026
first → last seen
🗺
ROUTES / TYPES
12 / 1
city pairs · airframes
⚠
INCIDENT RATE
4.8%
1 flagged

Routes flown

By count · last 90 days

8
KRHV → KO27
2
avg 1h 9m · Reid-Hillview Airport of Santa Clara County → Oakdale
KO27 → KRHV
2
avg 31m · Oakdale → Reid-Hillview Airport of Santa Clara County
KTRK → KRHV
1
avg 1h 14m · Truckee Tahoe → Reid-Hillview Airport of Santa Clara County
00UT → KSGU
1
avg 15m · Clear Creek Ranch → St George
KHIO → KMFR
1
avg 1h 39m · Portland Hillsboro → Rogue Valley International Medford
KTCY → KRHV
1
avg 24m · Tracy → Reid-Hillview Airport of Santa Clara County
KRHV → KTRK
1
avg 1h 5m · Reid-Hillview Airport of Santa Clara County → Truckee Tahoe
KSGU → KRHV
1
avg 3h 28m · St George → Reid-Hillview Airport of Santa Clara County

Aircraft types

Equipment used on this number

1
M20P MOONEY Mooney M-20C Ranger
23

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 N9171Z

30
N9171ZMOONEY Mooney M-20C Ranger
→
9/4/2026
1h 11m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
8/30/2026
23m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
8/30/2026
30m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
8/3/2026
1h 14m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
7/31/2026
1h 5m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
7/27/2026
25m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
7/26/2026
1h 22m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
7/26/2026
1h 48m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
7/24/2026
1h 41m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
7/19/2026
33m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
7/19/2026
1h 54m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
7/6/2026
2m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
7/5/2026
1h 7m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
7/2/2026
10m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
6/30/2026
4m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
6/30/2026
1h 38m
△ Low approach-stability score
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
6/28/2026
1h 16m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
6/25/2026
1h 48m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
6/22/2026
3h 28m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
6/22/2026
15m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
6/19/2026
1h 56m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
6/13/2026
30m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
6/13/2026
23m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
5/31/2026
58m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
5/31/2026
15m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
5/31/2026
15m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
5/31/2026
1h 6m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
5/25/2026
50m
△ Low approach-stability score
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
5/24/2026
1h 38m
△ Low approach-stability score
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
5/24/2026
47m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window