KAP5121 is operated by HYANNIS AIR SERVICE INC between Muskeget Island Airport (MA55) and General Edward Lawrence Logan International Airport (KBOS). The flight is most often flown by a CESSNA Cessna 401/402. Typical block time is 0h 28m. SkyMeter has observed 6 legs of this flight number via ADS-B.

✈
FLIGHTS
6
last 90 days
⏱
AVG DURATION
28m
tracked time
📅
SERVICE PERIOD
05/11/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
4 / 2
city pairs · airframes
⚠
INCIDENT RATE
50.0%
3 flagged

Routes flown

By count · last 90 days

4
3MA3 → KBOS
2
avg 26m · Seapuit Heliport → General Edward Lawrence Logan
MA55 → KBOS
2
avg 32m · Muskeget Island → General Edward Lawrence Logan
KHYA → KBOS
1
avg 33m · Barnstable Municipal Boardman Polando Field → General Edward Lawrence Logan
2B1 → KBOS
1
avg 22m · Cape Cod → General Edward Lawrence Logan

Aircraft types

Equipment used on this number

2
C402 CESSNA Cessna 401/402
5
P212 P212
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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 6 operations of KAP5121

6
N991AACESSNA Cessna 401/402
→
06/03/2026
24m
No alerts
Replay Analysis
N991AACESSNA Cessna 401/402
→
06/01/2026
27m
No alerts
Replay Analysis
N6813JCESSNA Cessna 401/402
→
05/25/2026
39m
△ Unstable
Replay Analysis
N4630NCESSNA Cessna 401/402
→
05/17/2026
24m
△ Unstable
Replay Analysis
N375RCESSNA Cessna 401/402
→
05/15/2026
33m
No alerts
Replay Analysis
N357CAP212
→
05/11/2026
22m
△ Unstable
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window