N
N4087H
HARMONIC AIR LLC · HIO → CVO
N4087H is operated by HARMONIC AIR LLC between Portland Hillsboro Airport (KHIO) and Corvallis Municipal Airport (KCVO). The flight is most often flown by a MOONEY Mooney M20K Encore/M20M Bravo. Typical block time is 1h 11m. SkyMeter has observed 43 legs of this flight number via ADS-B.
✈
FLIGHTS
43
last 90 days
⏱
AVG DURATION
1h 11m
tracked time
📅
SERVICE PERIOD
05/28/2025 → 07/10/2026
first → last seen
🗺
ROUTES / TYPES
27 / 2
city pairs · airframes
⚠
INCIDENT RATE
18.6%
8 flagged
Routes flown
By count · last 90 days
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
8
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 N4087H
07/10/2026
30m
△ Unstable approach
07/10/2026
34m
△ Unstable approach
07/07/2026
8m
No alerts
07/07/2026
29m
△ Unstable approach
07/07/2026
27m
No alerts
07/04/2026
41m
No alerts
06/30/2026
1h 56m
No alerts
06/30/2026
1h 46m
No alerts
06/26/2026
1h 24m
No alerts
06/26/2026
1h 32m
No alerts
06/22/2026
34m
No alerts
06/21/2026
12m
No alerts
06/21/2026
46m
No alerts
06/21/2026
2h 14m
No alerts
06/21/2026
2h 42m
No alerts
06/21/2026
7h 52m
No alerts
06/20/2026
7m
△ Unstable approach
06/20/2026
12m
△ Unstable approach
06/16/2026
1h 31m
No alerts
06/16/2026
1h 23m
No alerts
06/13/2026
52m
No alerts
06/11/2026
4h 46m
No alerts
06/04/2026
1h 15m
△ Unstable approach
05/31/2026
1h 8m
No alerts
05/31/2026
1h 12m
No alerts
05/30/2026
1h 2m
No alerts
05/30/2026
1h 19m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window