N
N421EF
N421EF is operated by SOARING SOCIETY OF BOULDER between Boulder Municipal Airport (KBDU) and Vance Brand Airport (KLMO). The flight is most often flown by a . Typical block time is 0h 40m. SkyMeter has observed 92 legs of this flight number via ADS-B.
✈
FLIGHTS
92
last 90 days
⏱
AVG DURATION
40m
tracked time
📅
SERVICE PERIOD
06/09/2025 → 07/04/2026
first → last seen
🗺
ROUTES / TYPES
6 / 1
city pairs · airframes
⚠
INCIDENT RATE
5.4%
5 flagged
Routes flown
By count · last 90 days
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
5
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 N421EF
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window