Alpine Air 833 AIP833 · N149SF and N422CT — close approach at 12:51 am PDT
12:48 am PDT
12:48 am 12:52 am 12:51 am
Lateral
6.37 NM
Vertical
803 ft
Passenger airlineHelicopterFAA runway layout10 nautical mile ring
Nearest approach · 12:51:14 am
44' at 1.11 NM
Alpine Air 833 AIP833 · N149SF N149SF · BEECH 1900C 1991 · airplane Registered to ALPINE AVIATION INC PROVO, UT FAA registry · 2026-10-02 Passenger airline · B190 · leaving for Salt Lake City 350 ft 117 kt
N422CT N422CT · BELL 407 2024 · helicopter Registered to KING COUNTY SHERIFFS OFFICE SEATTLE, WA FAA registry · 2026-10-02 Helicopter · BELL 407 · arriving from Renton 300 ft 91 kt
Altitudes shown are AGL (height above the field): ADS-B altitude, corrected +73' for the air pressure at 12:51:14 am, minus the field elevation of 32'. Source altitudes come in 100' steps.
What a controller requires
At least 1,000'
vertical separation when aircraft are within 3 NM
Other close approaches at Renton Municipal
When
Aircraft
Lateral
Vertical