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4CA2 Funny Farm Airport
Brentwood, California, USA

GOING TO BRENTWOOD?


FAA INFORMATION EFFECTIVE 30 OCTOBER 2025

Location

FAA Identifier: 4CA2
Lat/Long: 37-56-48.7200N 121-38-50.8300W
37-56.812000N 121-38.847167W
37.9468667,-121.6474528
(estimated)
Elevation: 29 ft. / 9 m (estimated)
Variation: 16E (1995)
From city: 3 miles NE of BRENTWOOD, CA
Time zone: UTC -8 (UTC -7 during Daylight Saving Time)
Zip code: 94513

Airport Operations

Airport use: Private use. Permission required prior to landing
Activation date: 09/1999
Control tower: no
ARTCC: OAKLAND CENTER
FSS: OAKLAND FLIGHT SERVICE STATION
Attendance: DAYLIGHT HOURS
Wind indicator: yes
Segmented circle: no

Airport Communications

WX AWOS-3 at C83 (7 nm S): 123.775 (925-634-0906)
WX AWOS-AV at O88 (15 nm N): 127.075 (707-374-5396)
WX ASOS at LVK (17 nm SW): PHONE 925-606-5412
WX AWOS-3 at TCY (18 nm SE): 118.375 (209-831-4335)
WX ASOS at CCR (20 nm W): PHONE 925-689-2077
WX ASOS at SCK (20 nm E): PHONE 209-625-0001

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
CCRr090/19.7CONCORD VOR/DME117.0017E
SACr172/30.2SACRAMENTO VORTAC115.2017E
OAKr047/30.3OAKLAND VOR/DME116.8017E
LINr239/31.4LINDEN VOR/DME114.8017E
SGDr095/37.0SCAGGS ISLAND VORTAC112.1017E
SJCr006/37.1SAN JOSE VOR/DME114.1016E
MODr283/37.9MODESTO VOR/DME114.6017E
SFOr043/39.7SAN FRANCISCO VOR/DME115.8017E

Airport Services

Runway Information

Runway 17/35

Dimensions: 1880 x 20 ft. / 573 x 6 m
Surface: asphalt
RUNWAY 17  RUNWAY 35
Traffic pattern: rightleft
Obstructions: 50 ft. trees, 100 ft. from runway50 ft. trees, 100 ft. from runway

Airport Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: DAVID S. BEHNE
2651 PENNY LN
BRENTWOOD, CA 94513-5234
Phone (925) 580-1433
Manager: ERIC BEHNE
2651 PENNY LN
BRENTWOOD, CA 94513-5234
Phone (925) 580-1433

Additional Remarks

100 FT WATER TOWER 2.5 MILES SW OF ARPT.
FOR CD CTC NORCAL APCH AT 916-361-0516.

Instrument Procedures

There are no published instrument procedures at 4CA2.

Some nearby airports with instrument procedures:

C83 - Byron Airport (7 nm S)
O88 - Rio Vista Municipal Airport (15 nm N)
KLVK - Livermore Municipal Airport (17 nm SW)
KTCY - Tracy Municipal Airport (18 nm SE)
KCCR - Buchanan Field Airport (20 nm W)
KSCK - Stockton Metro Airport (20 nm E)
 
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Area around 4CA2 (Funny Farm Airport)
 
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Aerial photo
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Aerial photo of 4CA2 (Funny Farm Airport)
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Sectional chart

 
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From to 4CA2

Sunrise and sunset
Times for 24-Nov-2025
 Local
(UTC-8)
 Zulu
(UTC)
Morning civil twilight06:2914:29
Sunrise06:5814:58
Sunset16:4900:49
Evening civil twilight17:1701:17

Current date and time
Zulu (UTC)  24-Nov-2025 18:51:11
Local (UTC-8)  24-Nov-2025 10:51:11
 
METAR
KC83 
7nm S 
241815Z AUTO 33005KT 4SM BR OVC005 09/09 A3033 RMK AO2
KLVK 
17nm SW 
241753Z 11003KT 4SM BR OVC007 10/08 A3030 RMK AO2 SLP260 T01000083 10100 20083 53004
KTCY 
18nm SE 
241815Z AUTO 33008KT 5SM BR OVC005 09/09 A3031 RMK A01
KCCR 
19nm W 
241753Z 07003KT 2SM BR OVC006 10/09 A3032 RMK AO2 SLP253 T01000089 10100 20094 51010
TAF
KLVK 
17nm SW 
241730Z 2418/2518 09005KT 5SM BR OVC007 FM241900 06007KT P6SM BKN015 FM242000 06006KT P6SM FEW200 FM251400 07002KT 4SM BR BKN008
KSCK 
21nm E 
241720Z 2418/2518 VRB03KT 3SM BR BKN004 FM242000 32004KT 6SM BR FEW010 SCT250 FM250600 01003KT 3SM BR BKN005 FM250800 VRB04KT 1/4SM FG BKN004
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