WxDecoder

12MD Weather Ascension Saint Agnes Hospital Heliport

Baltimore, MarylandElevation 141 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KBWI · 6 NM S · 52 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KBWI
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports temperature 18.3C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly clear, low near 52F, 1% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Clear 52 NW 5 kt – 1%
Tuesday Sunny 68/48 NE 6 kt – 2%
Wednesday Mostly Sunny 67/51 E 4 kt – 1%
Thursday Mostly Sunny 72/52 S 5 kt – 0%
Friday Sunny 77/53 W 4 kt – 0%
Saturday Partly Sunny 70/53 E 4 kt – 3%
Sunday Mostly Cloudy 69/56 E 5 kt – 18%
Monday Slight Chance Rain Showers 70 SE 6 kt – 19%

Source: National Weather Service (office LWX). Forecast issued 0146Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

OUR HEADSET PICK · NOT SPONSORED

DC

David Clark DC ONE-X

Not sponsored, just the headset we'd buy ourselves: the DC ONE-X, with hybrid noise canceling, Bluetooth, and 30+ hour battery. And David Clark's A+ customer service is the real reason we recommend them.

Visit David Clark
RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 12MD. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 40 ft

H1
Dimensions
40 x 40 ft
Surface
Concrete
RWY H1

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
141 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2213Z 6:13 PM
Sunrise
1128Z 7:28 AM
Loggable night
2240Z (6:40 PM local) → 1101Z (7:01 AM local)
end of evening to start of morning civil twilight
Position lights required
2213Z (6:13 PM local) → 1128Z (7:28 AM local)
sunset to sunrise (91.209)
Night passenger currency
2313Z (7:13 PM local) → 1028Z (6:28 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Ascension Saint Agnes Hospital Heliport is in Baltimore, Maryland. Field elevation 141 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerPAUL DONNELLY
Manager phone410-368-2151
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA12MD
SectionalWASHINGTON
Center (ARTCC)WASHINGTON
Flight service (AFSS)LEESBURG
RegionMaryland
CountryUnited States
Coordinates39.2705, -76.6739
Distance from city0 NM N
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

12MD traffic patterns

2026-07-01 to 2026-10-25, 8 days observed · data 2026-10-25

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1.5
Activity trend over 4 days: falling, from 2 to 1 operations per dayOperations trend (4 days)

Busiest day: Mon · Busiest month: Jul

FLEET MIX
Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›AS50 (Helicopter) · ~2 landings/mo
›EC35 (Helicopter) · ~1 landings/mo
›H53S (Helicopter) · ~1 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly rotorcraft.

›AS50 (Helicopter)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

12MD has no on-field report. Nearest reporting station: KBWI (6 NM S, VFR).

KBWI Baltimore/Washington International Thurgood Marshall Airport
6 NM S
VFR
KFME Fort Meade Executive Airport
12 NM S
VFR
KMTN Martin State Airport
13 NM E
VFR
KCGS College Park Airport
21 NM SW
VFR
KGAI Montgomery County Airpark
24 NM W
VFR
KAPG Phillips Army Air Field
26 NM NE
VFR
AIRPORT REMARKS

Operational remarks

›PROVIDED 8:1 INGRESS/EGRESS FAR P77.29; LIGHTED WINDSOCK; LOW VISBY; CONTROLLED DURING HELICOPTER OPERATIONS; MNVR AS TO MINIMIZE NOISE OVER RESIDENCES.
›OTHER CONTACT: SUSAN NIETO, 410-368-2116
›FOR CD CTC POTOMAC APCH AT 866-429-5882.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗12MD on OurAirports
FREQUENTLY ASKED
Does 12MD have a METAR?
No on-field METAR is issued for 12MD. This page uses the nearest reporting station as a reference.
Does 12MD have a TAF?
No TAF is issued directly for 12MD. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 12MD?
12MD sits at 141 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 12MD?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.