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 232 legs of this flight number via ADS-B.

✈
FLIGHTS
232
last 90 days
⏱
AVG DURATION
45m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/3/2026
first → last seen
🗺
ROUTES / TYPES
37 / 1
city pairs · airframes
⚠
INCIDENT RATE
11.6%
27 flagged

Routes flown

By count · last 90 days

10
KSQL → KHWD
19
avg 44m · San Carlos → Hayward Executive
KLVK → KSQL
9
avg 28m · Livermore → San Carlos
KHAF → KSQL
5
avg 27m · Half Moon Bay → San Carlos
KSQL → KPAO
4
avg 28m · San Carlos → Palo Alto Airport of Santa Clara County
KSQL → KLVK
4
avg 28m · San Carlos → Livermore
KHWD → KSQL
4
avg 36m · Hayward Executive → San Carlos
KSQL → KC83
4
avg 51m · San Carlos → Byron
KSQL → KHAF
3
avg 44m · San Carlos → Half Moon Bay
KPAO → KSQL
3
avg 33m · Palo Alto Airport of Santa Clara County → San Carlos
KSQL → KOAK
3
avg 44m · San Carlos → Metropolitan Oakland

Aircraft types

Equipment used on this number

1
C172 CESSNA Cessna Skyhawk 172/Cutlass
232

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
27
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
→
9/3/2026
28m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
9/3/2026
1h 15m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
9/3/2026
48m
△ Low approach-stability score
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
9/2/2026
42m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
9/2/2026
39m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
9/2/2026
9m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
9/2/2026
1h 3m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
9/1/2026
58m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
9/1/2026
1h 17m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/31/2026
1h 6m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/30/2026
22m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/30/2026
1h 3m
△ Low approach-stability score
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/30/2026
1h 9m
△ Low approach-stability score
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/29/2026
1h 16m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/29/2026
17m
△ Low approach-stability score
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/29/2026
25m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/29/2026
26m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/28/2026
13m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/28/2026
1h 28m
△ Low approach-stability score
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/28/2026
1h 1m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/27/2026
1h 15m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/27/2026
28m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/27/2026
36m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/26/2026
1h 13m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/25/2026
27m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/25/2026
1h 8m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/24/2026
29m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/24/2026
47m
No alerts
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/24/2026
1h 28m
△ Low approach-stability score
Replay Analysis
N137MECESSNA Cessna Skyhawk 172/Cutlass
→
8/23/2026
1h 1m
△ Low approach-stability score
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window