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4CA2 Funny Farm Airport
Brentwood, California, USA

GOING TO BRENTWOOD?


FAA INFORMATION EFFECTIVE 02 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 -7 (UTC -8 during Standard 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 209-982-4270

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 of 4CA2 (Funny Farm Airport)
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Sectional chart

 
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From to 4CA2

Sunrise and sunset
Times for 25-Oct-2025
 Local
(UTC-7)
 Zulu
(UTC)
Morning civil twilight06:5913:59
Sunrise07:2614:26
Sunset18:1501:15
Evening civil twilight18:4201:42

Current date and time
Zulu (UTC)  25-Oct-2025 21:56:00
Local (UTC-7)  25-Oct-2025 14:56:00
 
METAR
KC83 
7nm S 
252115Z AUTO 24009KT 10SM FEW040 BKN047 OVC070 20/14 A3006 RMK AO2
KLVK 
17nm SW 
252138Z 29011KT 10SM -RA SCT021 BKN029 BKN040 18/14 A3006 RMK AO2 RAB36 P0000 T01780144
KTCY 
18nm SE 
252115Z AUTO 04004KT 10SM SCT031 SCT040 BKN046 18/13 A3006 RMK A01
KCCR 
19nm W 
252053Z 24012KT 10SM BKN020 18/14 A3006 RMK AO2 RAE50 SLP165 P0002 60002 T01830139 52008
TAF
KLVK 
17nm SW 
251940Z 2520/2618 23008KT 6SM -RA BR BKN025 OVC040 FM252300 22008KT P6SM VCSH SCT010 BKN025 FM260300 VRB03KT 5SM BR BKN010 BKN200
KSCK 
21nm E 
251852Z 2519/2618 VRB05KT P6SM -SHRA OVC050 FM252100 VRB05KT P6SM BKN250 FM261000 27003KT 6SM BR BKN250 TEMPO 2612/2616 4SM BR
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