N
N420KM
420 AVIATION LLC · HSH → BFI
N420KM is operated by 420 AVIATION LLC between Henderson Executive Airport (KHND) and Boeing Field King County International Airport (KBFI). The flight is most often flown by a CESSNA Cessna Citation X. Typical block time is 2h 10m. SkyMeter has observed 9 legs of this flight number via ADS-B.
✈
FLIGHTS
9
last 90 days
⏱
AVG DURATION
2h 10m
tracked time
📅
SERVICE PERIOD
05/20/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
9 / 1
city pairs · airframes
⚠
INCIDENT RATE
11.1%
1 flagged
Routes flown
By count · last 90 days
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
1
Unstable approach
0
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 11 operations of N420KM
05/23/2026
4h 40m
No alerts
05/21/2026
2h 31m
No alerts
05/20/2026
2h 39m
↻ Go-around
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window