Fort Buchanan HeliportPrivate

PR21 · Guaynabo, PR · Open on the map

Elevation

33 ft MSL

Longest runway

50 ft H1/

Runway

Weather

METAR observed

No current METAR for PR21 right now.

TAF forecast

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Sun & FAA night2026-09-18 · night begins 06:46 PM

Event	Local (AST)	UTC
Morning civil twilight Loggable night ends	05:51 AM	09:51Z
Sunrise	06:13 AM	10:13Z
Sunset	06:24 PM	22:24Z
Evening civil twilight Loggable night begins	06:46 PM	22:46Z

Loggable night (§1.1)

06:46 PM → 05:51 AM

Night currency (§61.57)

07:24 PM → 05:13 AM

Plan a flight from PR21

Destination

TAS (kt)Burn (gph)Reserve (hr)Cruise (ft)Max alt (ft)Wind from (°)Wind (kt)

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Full reports: nearest reporting station

Advisories

NOTAMs · Loading NOTAMs…

Pilot reports · Loading PIREPs…

Airspace hazards · Checking SIGMETs and G-AIRMETs…

Temporary flight restrictions · Checking for TFRs…

Runways

Headings shown are true (magnetic variation unavailable).

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
H1/	50 ft

Prefer one flat page? Full runway details for PR21 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the PR21 kneeboard →

Comms & NavAids

No published frequencies, ILS, or nearby navaids for PR21.

Charts & procedures

No published instrument procedures or Chart Supplement for PR21 — open it on the VFR sectional →

Airport info

Airport information

FAA LID: PR21
Coordinates: 18.4150, -66.1319
Elevation: 33 ft MSL

Detailed FAA facility data isn't available for this airport.

No published services or facility detail for PR21.

Nearby airports

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About PR21

Fort Buchanan (PR21) is a heliport in Guaynabo, PR, at 33 ft MSL. It has 1 runway, the longest 50 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for PR21, refreshed from the Aviation Weather Center and FAA NASR.

What is the longest runway at PR21?

Fort Buchanan has 1 runway; the longest is 50 ft. See the Runways section for headings, surface, and lighting.

Where is PR21?

Fort Buchanan is in Guaynabo, PR, at an elevation of 33 ft MSL. Coordinates: 18.4150, -66.1319.

More about PR21

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 PR21 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

Something here wrong or out of date? Report a data problem.