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 2m. SkyMeter has observed 20 legs of this flight number via ADS-B.

✈
FLIGHTS
20
last 90 days
⏱
AVG DURATION
1h 2m
tracked time
📅
SERVICE PERIOD
06/18/2025 → 07/05/2026
first → last seen
🗺
ROUTES / TYPES
15 / 1
city pairs · airframes
⚠
INCIDENT RATE
15.0%
3 flagged

Routes flown

By count · last 90 days

10
KRHV → KO27
1
avg 24m · Reid-Hillview Airport of Santa Clara County → Oakdale
00UT → KSGU
1
avg 15m · Clear Creek Ranch → St George
KO27 → KRHV
1
avg 30m · Oakdale → Reid-Hillview Airport of Santa Clara County
KHIO → KMFR
1
avg 1h 39m · Portland Hillsboro → Rogue Valley International Medford
KRHV → KTCY
1
avg 1h 45m · Reid-Hillview Airport of Santa Clara County → Tracy
CA43 → KRHV
1
avg 59m · Barton Memorial Hospital Heliport → Reid-Hillview Airport of Santa Clara County
KRHV → KGOO
1
avg 1h 7m · Reid-Hillview Airport of Santa Clara County → Nevada County
KTCY → KRHV
1
avg 22m · Tracy → Reid-Hillview Airport of Santa Clara County
KGOO → KTRK
1
avg 16m · Nevada 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
22

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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
→
07/05/2026
1h 7m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
07/02/2026
10m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
07/02/2026
10m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
06/30/2026
4m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
06/30/2026
1h 38m
△ Unstable approach
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
06/28/2026
1h 16m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
06/25/2026
1h 48m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
06/22/2026
3h 28m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
06/22/2026
15m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
06/19/2026
1h 56m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
06/13/2026
30m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
06/13/2026
23m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
05/31/2026
58m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
05/31/2026
15m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
05/31/2026
15m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
05/31/2026
1h 6m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
05/25/2026
50m
△ Unstable approach
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
05/24/2026
1h 38m
△ Unstable approach
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
05/24/2026
47m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
05/22/2026
1h 29m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
05/17/2026
21m
△ Unstable approach
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
05/17/2026
1h 44m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
03/16/2026
21m
△ Unstable approach
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
03/15/2026
1h 0m
△ Unstable approach
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
03/15/2026
39m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
03/13/2026
1h 11m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
02/21/2026
37m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
02/21/2026
1h 12m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
01/19/2026
1h 7m
No alerts
Replay Analysis
N9171ZMOONEY Mooney M-20C Ranger
→
12/30/2025
32m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window