Nantucket Memorial to Martha'S Vineyard Airport ACK → MVY
26 nautical miles (30 statute miles) west on a straight line, true course 289°, about 303° magnetic at the departure end (variation 14W). At 120 knots that is 12 min at the quickest height in today's winds (4,500 ft, a 14-knot tailwind), arriving about 8:21 pm EDT (00:21 UTC), after sunset at the destination. Right now ACK is marginal VFR, wind from the east (090°) at 17 knots, gusting to 25; MVY is IFR, wind from the east (100°) at 10 knots, gusting to 21. For planning, not a briefing: the legal preflight briefing comes from Flight Service (1-800-WX-BRIEF) or the FAA's own tools. Airlines fly this pair: 1,297 flights in the DOT's last twelve reported months, the route's page.
The route the straight line, the warnings crossed, restrictions, pilot reports and the airports along the way · click a mark for its words
Green, blue, red and purple airport dots are the flying conditions reported there now (VFR, marginal VFR, IFR, low IFR); grey means no report. Red areas are SIGMETs, orange areas AIRMETs, hatched red areas temporary flight restrictions. Map tiles: OpenFreeMap, data © OpenStreetMap contributors.
Warnings the route crosses SIGMETs and AIRMETs whose area the line passes through or comes within 25 nm of
- AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the whole route.
- AIRMET TANGO 2W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the whole route.
A SIGMET warns of weather hazardous to all aircraft; an AIRMET of weather that matters to small aircraft and to flying without instruments. "From 60 to 180 nm out" is measured along the route from ACK.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
Not fetched just now.
Winds aloft along the route, and the time en route the forecast for use 20:00–03:00 UTC · at 120 knots true airspeed
The westbound cruising heights for this course (VFR: even thousands plus 500 ft; above 18,000 ft the forecast levels), with the wind averaged along the line from the 1 forecast point nearest it (ACK). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 4,500 ft | 160° at 24 kt | −14 kt | 134 kt | 12 min | 8:21 pm EDT (00:21 UTC) | |
| 6,500 ft | 180° at 29 kt | −11 kt | 8 °C | 131 kt | 12 min | 8:21 pm EDT (00:21 UTC) |
| 8,500 ft | 200° at 30 kt | +3 kt | 9 °C | 117 kt | 13 min | 8:22 pm EDT (00:22 UTC) |
| 10,500 ft | 220° at 36 kt | +14 kt | 6 °C | 106 kt | 15 min | 8:24 pm EDT (00:24 UTC) |
| 12,500 ft | 230° at 42 kt | +23 kt | 2 °C | 97 kt | 16 min | 8:25 pm EDT (00:25 UTC) |
| 14,500 ft | 240° at 42 kt | +27 kt | -1 °C | 93 kt | 17 min | 8:26 pm EDT (00:26 UTC) |
| 16,500 ft | 250° at 43 kt | +31 kt | -4 °C | 89 kt | 18 min | 8:27 pm EDT (00:27 UTC) |
| 18,000 ft FL180 | 250° at 44 kt | +34 kt | -7 °C | 86 kt | 18 min | 8:27 pm EDT (00:27 UTC) |
| 24,000 ft FL240 | 250° at 50 kt | +39 kt | -17 °C | 81 kt | 19 min | 8:28 pm EDT (00:28 UTC) |
| 30,000 ft FL300 | 240° at 62 kt | +41 kt | -32 °C | 79 kt | 20 min | 8:29 pm EDT (00:29 UTC) |
| 34,000 ft FL340 | 250° at 71 kt | +55 kt | -42 °C | 65 kt | 24 min | 8:33 pm EDT (00:33 UTC) |
| 39,000 ft FL390 | 250° at 86 kt | +67 kt | -55 °C | 53 kt | 29 min | 8:38 pm EDT (00:38 UTC) |
Based on data from the 11th at 18:00 UTC; valid on the 12th at 00:00 UTC for use 20:00 to 03:00 UTC; temperatures above 24,000 ft are below zero. Heights are above sea level; a height is left out when the forecast has no wind for it over most of the line (the ground is higher). Ground speed is the airspeed less the headwind; the time en route is for the straight line and ignores climb, descent and routing around weather.
The forecast points as issued
| Point | From | 3,000 | 6,000 | 9,000 | 12,000 | 18,000 | 24,000 | 30,000 | 34,000 | 39,000 |
|---|---|---|---|---|---|---|---|---|---|---|
| ACK | used from 0 nm out; 13 nm from the line | 150/19 | 170/30 8° | 210/31 9° | 230/42 3° | 250/44 -7° | 250/50 -17° | 240/62 -32° | 250/71 -42° | 250/86 -55° |
The weather now: both ends and the airports along the way public airports with a weather report within 25 nm of the line, one for each stretch
| Airport | Where | Conditions | Wind | Visibility | Ceiling | Elevation | Reported |
|---|---|---|---|---|---|---|---|
| ACK Nantucket, MA | departure | marginal VFR Sky: a few clouds at 4,500 feet, overcast at 6,500 feet Weather: rain, mist | from the east (090°) at 17 knots, gusting to 25 | 5 mi | 6,500 ft | 46 ft | 7:53 pm EDT (23:53 UTC) |
| MVY Vineyard Haven, MA | destination | IFR Sky: a broken layer at 800 feet, overcast at 1,500 feet Weather: light rain | from the east (100°) at 10 knots, gusting to 21 | 10+ mi | 800 ft | 66 ft | 7:57 pm EDT (23:57 UTC) |
The highest airport on this list sits at 66 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At MVY when you get there the forecast at the estimated arrival, 8:21 pm EDT (00:21 UTC)
MVY has no terminal forecast; use the nearest airport that does.
The forecast for ACK, the departure
- From Sun 8:00 pm EDT (00:00 UTC): wind from the east at 11 knots, visibility more than 6 miles, light rain, a few clouds at 2,400 feet, scattered clouds at 3,500 feet and more above
- From Sun 10:00 pm EDT (02:00 UTC): wind from the east at 14 knots, gusting to 24, visibility 2 miles, rain, mist, overcast at 1,000 feet
- From Mon 1:00 am EDT (05:00 UTC): wind from the east at 16 knots, gusting to 23, visibility 3 miles, rain, mist, overcast at 300 feet
- From Mon 3:00 am EDT (07:00 UTC): wind from the east-northeast at 15 knots, visibility 1 mile, light rain showers, mist, overcast at 300 feet
- From Mon 5:00 am EDT (09:00 UTC): wind from the north-northeast at 15 knots, visibility ¾ mile, mist, overcast at 300 feet
- 30% chance between Mon 5:00 am EDT (09:00 UTC) and 6:00 am EDT (10:00 UTC): visibility ¾ mile, light rain showers, mist, overcast at 100 feet
- From Mon 11:00 am EDT (15:00 UTC): wind from the north-northeast at 15 knots, visibility more than 6 miles, a broken layer at 800 feet
- From Mon 4:00 pm EDT (20:00 UTC): wind from the north at 13 knots, gusting to 21, visibility more than 6 miles, scattered clouds at 3,000 feet
Temporary flight restrictions on the line or within 25 nm of it
No temporary flight restriction on or near this route right now.
Daylight
Sunset at ACK 6:04 pm EDT (22:04 UTC), at MVY 6:06 pm EDT (22:06 UTC) (civil twilight ends 6:34 pm EDT (22:34 UTC)). At 120 knots the arrival at MVY is after sunset there (6:08 pm EDT (22:08 UTC)).
Each restriction opens the FAA's own page with the exact area, heights and times. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.
Radar and forecast charts for the regions crossed government pictures, the latest each time the page loads
Sources: the Aviation Weather Center's data service (SIGMETs, AIRMETs, graphical AIRMETs, pilot reports, winds and temperatures aloft, observations and terminal forecasts), the National Weather Service radar, the Weather Prediction Center's charts, the FAA's temporary flight restriction list and shapes, and the FAA's airport file for the positions, elevations and magnetic variation. Fetched when the page is viewed and kept a few minutes. Each leg is the straight line between its two airports; airways, terrain and airspace are not considered. The airports in detail: Nantucket Memorial, Martha'S Vineyard Airport.