N121D is operated by SONGBIRD AVIATION LLC between Healdsburg Municipal Airport (O31) and Marin County Airport - Gnoss Field (KDVO). The flight is most often flown by a BEECH Beech Bonanza 33. Typical block time is 1h 7m. SkyMeter has observed 32 legs of this flight number via ADS-B.

✈
FLIGHTS
32
last 90 days
⏱
AVG DURATION
1h 7m
tracked time
📅
SERVICE PERIOD
5/29/2025 → 9/1/2026
first → last seen
🗺
ROUTES / TYPES
11 / 1
city pairs · airframes
⚠
INCIDENT RATE
6.2%
2 flagged

Routes flown

By count · last 90 days

8
O31 → KDVO
3
avg 18m · Healdsburg → Marin County Airport - Gnoss Field
KDVO → O31
2
avg 26m · Marin County Airport - Gnoss Field → Healdsburg
KDVO → KO69
1
avg 20m · Marin County Airport - Gnoss Field → Petaluma
43CN → KDVO
1
avg 18m · Mazza → Marin County Airport - Gnoss Field
KDVO → KCOE
1
avg 3h 51m · Marin County Airport - Gnoss Field → Coeur D'Alene - Pappy Boyington Field
KCOE → KDVO
1
avg 4h 4m · Coeur D'Alene - Pappy Boyington Field → Marin County Airport - Gnoss Field
KDVO → KSBA
1
avg 1h 55m · Marin County Airport - Gnoss Field → Santa Barbara
KO69 → KDVO
1
avg 6m · Petaluma → Marin County Airport - Gnoss Field

Aircraft types

Equipment used on this number

1
BE33 BEECH Beech Bonanza 33
34

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 N121D

30
N121DBEECH Beech Bonanza 33
→
9/1/2026
21m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
8/29/2026
1h 5m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
8/27/2026
1h 8m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
8/23/2026
52m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
8/19/2026
1h 39m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
8/16/2026
1h 54m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
8/11/2026
22m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
8/11/2026
19m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
8/8/2026
1h 18m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
8/5/2026
54m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/29/2026
6m
△ Low approach-stability score
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/29/2026
19m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/28/2026
2h 43m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/24/2026
1h 11m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/20/2026
18m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/19/2026
8m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/18/2026
1h 20m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/14/2026
17m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/14/2026
32m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/10/2026
1h 42m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/8/2026
15m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/8/2026
17m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/6/2026
53m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
7/2/2026
1h 23m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
6/29/2026
1h 31m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
6/28/2026
1h 12m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
6/24/2026
4h 3m
No alerts
Replay Analysis
N121DBEECH Beech Bonanza 33
→
6/20/2026
1h 43m
△ Low approach-stability score
Replay Analysis
N121DBEECH Beech Bonanza 33
→
6/20/2026
3h 51m
△ Low approach-stability score
Replay Analysis
N121DBEECH Beech Bonanza 33
→
6/20/2026
1h 21m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window