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4MD7 pilot reports

Pilot reports filed within 100 NM of Catoctin Crosswind (4MD7), Thurmont, MD. 2 in the current window, 1 reporting turbulence or icing, as of 18 Sep 2026 1941Z. · Open on the map

All of Catoctin Crosswind — runways, frequencies, charts and live weather

Live pilot reports within 100 NM · Aviation Weather Center

Plan view · 100 NM2 reports
255075100NESW
JST UA
Position
67 nm NW of 4MD7
Altitude
FL390
Aircraft
A333

JST UA /OV JST090015/TM 1912/FL390/TP A333/TB MOD/RM ZOB

Profile · by altitude
0k5k10k15kFL200FL250FL300FL350FL400FL450Field elevation 451 ftFL390 · 67 nm · JST UA /OV JST090015/TM 1912/FL390/TP A333/TB MOD/RM ZOB8,500 ft · 54 nm · IAD UA /OV LDN070008/TM 1835/FL085/TP SR22/SK TOPS 080050100DISTANCE FROM FIELD (NM)
JST UA
Position
67 nm NW of 4MD7
Altitude
FL390
Aircraft
A333

JST UA /OV JST090015/TM 1912/FL390/TP A333/TB MOD/RM ZOB

Pilot reports are subjective, single-aircraft observations. Always confirm with an official preflight briefing.

All 2 reports within 100 NM position · altitude · conditions · raw text

These reports are near 4MD7, not at it. Each gives its distance and bearing from the field — read one 60 NM away as regional context, not as this airport's conditions.

Moderate turbulence

Hazard

1912Z · 67 nm NW of 4MD7 · FL390 · A333

Remarks: ZOB

JST UA /OV JST090015/TM 1912/FL390/TP A333/TB MOD/RM ZOB

Tops 8,000 ft

1835Z · 54 nm SW of 4MD7 · 8,500 ft · SR22

Tops 8,000 ft

IAD UA /OV LDN070008/TM 1835/FL085/TP SR22/SK TOPS 080

Frequently asked

Are there any PIREPs near 4MD7?

2 pilot reports were filed within 100 NM of Catoctin Crosswind in the current reporting window, 1 of them reporting turbulence or icing.

What is a PIREP?

A pilot report is a first-hand account of conditions aloft filed by a pilot in flight: turbulence, icing, cloud bases and tops, flight visibility, wind and temperature. It is the only weather source that reports what an aircraft actually experienced rather than what a model or a ground sensor inferred. UA marks a routine report; UUA marks an urgent one.

How current are these reports?

The national PIREP feed carries roughly the last 90 minutes of reports and is republished every 5 minutes. A report is a snapshot of one aircraft at one place and time — conditions a few thousand feet away or twenty minutes later can differ.

More about 4MD7

Pilot reports from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.

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