BYF20 is operated by CHRISTIANSEN AVIATION LLC between San Carlos Airport (KSQL) and Hayward Executive Airport (KHWD). The flight is most often flown by a CESSNA Cessna Skyhawk 172/Cutlass. Typical block time is 0h 45m. SkyMeter has observed 124 legs of this flight number via ADS-B.

✈
FLIGHTS
124
last 90 days
⏱
AVG DURATION
45m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/03/2026
first → last seen
🗺
ROUTES / TYPES
26 / 1
city pairs · airframes
⚠
INCIDENT RATE
15.3%
19 flagged

Routes flown

By count · last 90 days

10
KSQL → KHWD
6
avg 41m · San Carlos → Hayward Executive
KSQL → KSFO
3
avg 52m · San Carlos → San Francisco
US-2771 → KSQL
2
avg 18m · Pillar Point Air Force Station Helipad → San Carlos
KLVK → KSQL
2
avg 25m · Livermore → San Carlos
KSQL → KPAO
2
avg 32m · San Carlos → Palo Alto Airport of Santa Clara County
KPAO → KSQL
1
avg 25m · Palo Alto Airport of Santa Clara County → San Carlos
KLVK → KC83
1
avg 12m · Livermore → Byron
KC83 → KSQL
1
avg 26m · Byron → San Carlos
KSQL → KLVK
1
avg 17m · San Carlos → Livermore
KSQL → KCCR
1
avg 1h 18m · San Carlos → Buchanan Field

Aircraft types

Equipment used on this number

1
C172 CESSNA Cessna Skyhawk 172/Cutlass
124

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
19
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 BYF20

30
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
07/03/2026
1h 18m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
07/02/2026
7m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
07/02/2026
1h 7m
△ Unstable approach
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
07/02/2026
44m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
07/01/2026
1h 5m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
07/01/2026
31m
△ Unstable approach
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/30/2026
43m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/30/2026
56m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/30/2026
55m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/30/2026
21m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/29/2026
14m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/29/2026
58m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/29/2026
51m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/28/2026
41m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/28/2026
24m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/28/2026
33m
△ Unstable approach
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/28/2026
33m
△ Unstable approach
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/28/2026
17m
△ Unstable approach
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/27/2026
34m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/27/2026
57m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/27/2026
57m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/26/2026
1h 0m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/26/2026
49m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/25/2026
52m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/25/2026
51m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/25/2026
58m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/24/2026
56m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/24/2026
51m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/24/2026
31m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
06/23/2026
1h 0m
△ Unstable approach
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window