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Funny Farm Airport Private
4CA2 · Brentwood, CA · 29 ft elevation · var 16E · Towered
Airport information
- FAA LID
- 4CA2
- Coordinates
- 37.9469, -121.6470
- Elevation
- 29 ft MSL
- Magnetic variation
- 16E
- Sectional chart
- SAN FRANCISCO
- Airport use
- Private
- Control tower
- Yes
- ARTCC
- OAKLAND (ZOA)
- Flight service (FSS)
- OAKLAND
- Attendance
- ALL DALGT
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1999/09
- Distance from city
- 3 NE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:13 AM | 12:13Z |
| Sunrise | 05:44 AM | 12:44Z |
| Sunset | 08:32 PM | 03:32Z |
| Evening civil twilight Loggable night begins | 09:04 PM | 04:04Z |
Loggable night (§1.1)
09:04 PM → 05:13 AM
Night currency (§61.57)
09:32 PM → 04:44 AM
Plan a flight from 4CA2
Runway 17/35
1,880 ft × 20 ft · Asphalt 17
- Heading
- n/a
- Traffic pattern
- Right
35
- Heading
- n/a
- Traffic pattern
- Left
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| CCR · Concord | VOR-DME | 117.00 | r090° / 19.7 NM |
| SUU · Travis | TACAN | 116.60 | r125° / 22.8 NM |
| ECA · Manteca | VORTAC | 116.00 | r270° / 23.6 NM |
| TZZ · Travis | VOR | 116.40 | r145° / 25.1 NM |
| SAC · Sacramento | VORTAC | 115.20 | r172° / 30.2 NM |
| OAK · Oakland | VORTAC | 116.80 | r047° / 30.4 NM |
| LIN · Linden | VORTAC | 114.80 | r239° / 31.4 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 4CA2. VFR sectional link above.
Ownership & management
Owner
DAVID S. BEHNE
2651 PENNY LN, BRENTWOOD, CA
(925) 580-1433
Manager
ERIC BEHNE
2651 PENNY LN, BRENTWOOD, CA
(925) 580-1433
Remarks FAA
- PROVIDED VFR, PRIVATE USE, OBSTRUCTION FREE INGRESS/EGRESS.
- 100 FT WATER TOWER 2.5 MILES SW OF ARPT.
- FOR CD CTC NORCAL APCH AT 916-361-0516.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 4CA2 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.