N21531 is operated by HANS NELSON & SONS NURSERY INC between Portland Troutdale Airport (KTTD) and Grove Field (1W1). The flight is most often flown by a PIPER Piper 18 Super Cub. Typical block time is 0h 49m. SkyMeter has observed 12 legs of this flight number via ADS-B.

✈
FLIGHTS
12
last 90 days
⏱
AVG DURATION
49m
tracked time
📅
SERVICE PERIOD
06/07/2025 → 07/04/2026
first → last seen
🗺
ROUTES / TYPES
9 / 1
city pairs · airframes
⚠
INCIDENT RATE
25.0%
3 flagged

Routes flown

By count · last 90 days

5
KTTD → 1W1
2
avg 27m · Portland Troutdale → Grove Field
6OR7 → 1W1
1
avg 3m · Schmidt → Grove Field
6OR7 → KPDX
1
avg 9m · Schmidt → Portland
6OR7 → KTTD
1
avg 8m · Schmidt → Portland Troutdale
KTTD → KPDX
1
avg 5h 8m · Portland Troutdale → Portland

Aircraft types

Equipment used on this number

1
PA18 PIPER Piper 18 Super Cub
14

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 N21531

30
N21531PIPER Piper 18 Super Cub
→
07/04/2026
40m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
07/03/2026
32m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
06/13/2026
34m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
06/13/2026
42m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
05/28/2026
39m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
05/28/2026
37m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
05/28/2026
5h 7m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
05/19/2026
44m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
05/08/2026
8m
△ Low approach-stability score
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
05/07/2026
34m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
05/02/2026
3m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
05/01/2026
10m
△ Low approach-stability score
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
05/01/2026
8m
△ Low approach-stability score
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
04/25/2026
31m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
04/23/2026
11m
△ Low approach-stability score
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
04/23/2026
12m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
04/17/2026
32m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
04/17/2026
24m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
04/03/2026
8m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
04/03/2026
1h 14m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
03/23/2026
8m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
03/23/2026
1h 11m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
03/07/2026
20m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
03/07/2026
1h 19m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
03/01/2026
12m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
03/01/2026
38m
△ Low approach-stability score
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
03/01/2026
29m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
02/27/2026
8m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
02/21/2026
7m
No alerts
Replay Analysis
N21531PIPER Piper 18 Super Cub
→
02/15/2026
2m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window