4 is operated by PLANE NONSENSE INC between Bellingham International Airport (KBLI) and Tri Cities Airport (KPSC). The flight is most often flown by a CESSNA Cessna 180 Skywagon. Typical block time is 1h 42m. SkyMeter has observed 12 legs of this flight number via ADS-B.

✈
FLIGHTS
12
last 90 days
⏱
AVG DURATION
1h 42m
tracked time
📅
SERVICE PERIOD
6/3/2025 → 7/28/2026
first → last seen
🗺
ROUTES / TYPES
11 / 2
city pairs · airframes
⚠
INCIDENT RATE
8.3%
1 flagged

Routes flown

By count · last 90 days

6
KBLI → KPSC
1
avg 2h 5m · Bellingham → Tri Cities
KBLI → KEAT
1
avg 2h 8m · Bellingham → Pangborn
KLWS → KBLI
1
avg 2h 28m · Lewiston Nez Perce County → Bellingham
K4S2 → KBLI
1
avg 3h 15m · Ken Jernstedt Airfield → Bellingham
KPSC → KBLI
1
avg 1h 54m · Tri Cities → Bellingham
WN73 → KBLI
1
avg 2m · St Joseph Hospital Main Campus Heliport → Bellingham

Aircraft types

Equipment used on this number

2
C180 CESSNA Cessna 180 Skywagon
15
BE20 BEECH Beech 200 Super King
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 4

30
N1578CCESSNA Cessna 180 Skywagon
→
7/29/2026
1h 1m
△ Low approach-stability score
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
7/28/2026
1h 26m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
7/28/2026
2h 28m
△ Low approach-stability score
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
7/28/2026
2h 7m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
7/26/2026
1h 54m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
7/25/2026
2h 5m
No alerts
Replay Analysis
N710NCBEECH Beech 200 Super King
→
6/28/2026
2h 14m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
6/21/2026
3h 15m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
6/21/2026
7m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
6/18/2026
2h 20m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
5/22/2026
2m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
5/21/2026
1h 40m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
5/21/2026
13m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
5/21/2026
2h 9m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
5/20/2026
3m
No alerts
Replay Analysis
N1578CCESSNA Cessna 180 Skywagon
→
5/20/2026
1h 46m
No alerts
Replay Analysis
N267NDPIPER Piper Cherokee
→
5/2/2026
23m
No alerts
Replay Analysis
N267NDPIPER Piper Cherokee
→
5/2/2026
23m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/25/2026
1h 24m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/25/2026
56m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/24/2026
1h 10m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/24/2026
54m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/24/2026
1h 18m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/24/2026
37m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/24/2026
46m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/24/2026
1h 31m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/23/2026
33m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/23/2026
1h 54m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/23/2026
39m
No alerts
Replay Analysis
C-GUHRCESSNA Cessna Skyhawk 172/Cutlass
→
4/23/2026
1h 48m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window