Ellison Onizuka Kona International AT Keahole to Lanai Airport KOA → LNY
81 nautical miles (93 statute miles) northwest on a straight line, true course 321°, about 310° magnetic at the departure end (variation 11E). At 120 knots that is 40 min at the quickest height in today's winds (4,500 ft, a 1-knot tailwind), arriving about 8:48 pm HST (06:48 UTC), after sunset at the destination. Right now KOA is VFR, wind from the southeast (140°) at 6 knots. 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: 91 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
No SIGMET or AIRMET covers any part of this route right now.
Turbulence No turbulence warning in force along the route. No pilot has reported turbulence near the line in the last three hours. The government's turbulence forecast map ↗
Icing No icing warning in force along the route. No pilot has reported icing near the line in the last three hours. The freezing level is about 16,500 ft (from the winds-aloft temperatures), so icing is possible in cloud above that. The government's icing forecast map ↗
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 KOA.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- B712 at 11,000 ft, 49 nm east, 6:32 pm HST (04:32 UTC): a broken layer from 4,500 ft to 10,000 ft. At the departure end, 49 nm east of the line.
as filed, and in English
ITO UA /OV ITO310018/TM 0432/FL110/TP B712/SK BKN045 TOP100
- Report
- a routine report filed through ITO
- Where
- 18 nm northwest (310°) of ITO
- Time
- 04:32 UTC
- Height
- at 11,000 ft
- Aircraft
- B712
- Sky
- a broken layer from 4,500 ft, tops 10,000 ft
Winds aloft along the route, and the time en route the forecast for use 02:00–09:00 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 2 forecast points nearest it (KOA, LNY). 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 | 140° at 1 kt | −1 kt | 121 kt | 40 min | 8:48 pm HST (06:48 UTC) | |
| 6,500 ft | 040° at 2 kt | 0 | 13 °C | 120 kt | 40 min | 8:48 pm HST (06:48 UTC) |
| 8,500 ft | 050° at 4 kt | 0 | 10 °C | 120 kt | 40 min | 8:48 pm HST (06:48 UTC) |
| 10,500 ft | 060° at 6 kt | −1 kt | 7 °C | 121 kt | 40 min | 8:48 pm HST (06:48 UTC) |
| 12,500 ft | 060° at 7 kt | −2 kt | 5 °C | 122 kt | 40 min | 8:48 pm HST (06:48 UTC) |
| 14,500 ft | 040° at 6 kt | +1 kt | 3 °C | 119 kt | 41 min | 8:49 pm HST (06:49 UTC) |
| 16,500 ft | 360° at 8 kt | +6 kt | 0 °C | 114 kt | 43 min | 8:51 pm HST (06:51 UTC) |
| 18,000 ft FL180 | 350° at 11 kt | +10 kt | -3 °C | 110 kt | 44 min | 8:52 pm HST (06:52 UTC) |
| 24,000 ft FL240 | 320° at 18 kt | +18 kt | -15 °C | 102 kt | 48 min | 8:56 pm HST (06:56 UTC) |
Based on data from the 13th at 00:00 UTC; valid on the 13th at 06:00 UTC for use 02:00 to 09:00 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 | 1,000 | 1,500 | 2,000 | 3,000 | 6,000 | 9,000 | 12,000 | 15,000 | 18,000 | 24,000 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| KOA | used from 0 nm out; 22 nm from the line | L/V | L/V | L/V | 220/5 | 300/5 14° | 360/7 9° | L/V 5° | L/V 3° | 350/14 -3° | 340/20 -15° |
| LNY | used from 45 nm out; 18 nm from the line | 100/9 | 110/7 | 100/7 15° | 100/8 9° | 070/16 5° | 030/14 4° | 350/7 -3° | 300/17 -16° |
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 |
|---|---|---|---|---|---|---|---|
| KOA Kailua-Kona, HI | departure | VFR Sky: scattered clouds at 10,000 feet | from the southeast (140°) at 6 knots | 10+ mi | none | 50 ft | 7:53 pm HST (05:53 UTC) |
| LNY Lanai City, HI | destination | reported, no category | from the east-northeast (070°) at 5 knots | none | 1,308 ft | 7:56 pm HST (05:56 UTC) |
The highest airport on this list sits at 1,308 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
The codes as issued, and in English, for every airport in the table
KOA Kailua-Kona, HI
the observation and the forecast as issued, and in English
METAR PHKO 130553Z 14006KT 10SM SCT100 27/20 A2993 RMK AO2 SLP138 6//// T02720200 10300 20272 53016
- METAR
- a routine hourly observation
- PHKO
- the station, PHKO
- 130553Z
- observed 7:53 pm HST (05:53 UTC)
- 14006KT
- wind from the southeast at 6 knots
- 10SM
- visibility 10 miles
- SCT100
- scattered clouds at 10,000 feet
- 27/20
- temperature 27 °C (81 °F), dew point 20 °C (68 °F)
- A2993
- altimeter setting 29.93 inches of mercury
- RMK
- remarks follow
- AO2
- automated station with a precipitation sensor
- SLP138
- sea-level pressure 1013.8 hPa
- 6////
- precipitation amount not available
- T02720200
- temperature 27.2 °C (81 °F), dew point 20 °C (68 °F)
- 10300
- highest temperature in the last six hours 30 °C (86 °F)
- 20272
- lowest temperature in the last six hours 27.2 °C (81 °F)
- 53016
- pressure in the last three hours rising, faster lately, change 1.6 hPa
TAF PHKO 130540Z 1306/1412 18007KT P6SM FEW040 FM132200 24009KT P6SM FEW050 FM140700 17006KT P6SM FEW250
- TAF
- a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
- PHKO
- the station, PHKO
- 130540Z
- issued 7:40 pm HST (05:40 UTC)
- 1306/1412 18007KT P6SM FEW040
- valid from Mon 8:00 pm HST (06:00 UTC) to Wed 2:00 am HST (12:00 UTC): wind from the south at 7 knots, visibility more than 6 miles, a few clouds at 4,000 feet
- FM132200 24009KT P6SM FEW050
- from Tue 12:00 pm HST (22:00 UTC): wind from the west-southwest at 9 knots, visibility more than 6 miles, a few clouds at 5,000 feet
- FM140700 17006KT P6SM FEW250
- from Tue 9:00 pm HST (07:00 UTC): wind from the south at 6 knots, visibility more than 6 miles, a few clouds at 25,000 feet
LNY Lanai City, HI
the observation and the forecast as issued, and in English
METAR PHNY 130556Z AUTO 07005KT CLR A3003 RMK AO2 SLPNO 53013 FZRANO $
- METAR
- a routine hourly observation
- PHNY
- the station, PHNY
- 130556Z
- observed 7:56 pm HST (05:56 UTC)
- AUTO
- fully automated report, nobody checked it
- 07005KT
- wind from the east-northeast at 5 knots
- CLR
- clear skies
- A3003
- altimeter setting 30.03 inches of mercury
- RMK
- remarks follow
- AO2 SLPNO
- automated station with a precipitation sensor, sea-level pressure not available
- 53013
- pressure in the last three hours rising, faster lately, change 1.3 hPa
- FZRANO $
- the freezing-rain sensor is not working, the station needs maintenance
TAF PHNY 130540Z 1306/1406 04005KT P6SM FEW030 FM132000 08009KT P6SM FEW030 SCT040
- TAF
- a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
- PHNY
- the station, PHNY
- 130540Z
- issued 7:40 pm HST (05:40 UTC)
- 1306/1406 04005KT P6SM FEW030
- valid from Mon 8:00 pm HST (06:00 UTC) to Tue 8:00 pm HST (06:00 UTC): wind from the northeast at 5 knots, visibility more than 6 miles, a few clouds at 3,000 feet
- FM132000 08009KT P6SM FEW030 SCT040
- from Tue 10:00 am HST (20:00 UTC): wind from the east at 9 knots, visibility more than 6 miles, a few clouds at 3,000 feet, scattered clouds at 4,000 feet
At LNY when you get there the forecast at the estimated arrival, 8:48 pm HST (06:48 UTC)
Wind from the northeast at 5 knots, visibility more than 6 miles, a few clouds at 3,000 feet VFR
The whole forecast for LNY
- From Mon 8:00 pm HST (06:00 UTC): wind from the northeast at 5 knots, visibility more than 6 miles, a few clouds at 3,000 feet
- From Tue 10:00 am HST (20:00 UTC): wind from the east at 9 knots, visibility more than 6 miles, a few clouds at 3,000 feet, scattered clouds at 4,000 feet
The forecast for KOA, the departure
- From Mon 8:00 pm HST (06:00 UTC): wind from the south at 7 knots, visibility more than 6 miles, a few clouds at 4,000 feet
- From Tue 12:00 pm HST (22:00 UTC): wind from the west-southwest at 9 knots, visibility more than 6 miles, a few clouds at 5,000 feet
- From Tue 9:00 pm HST (07:00 UTC): wind from the south at 6 knots, visibility more than 6 miles, a few clouds at 25,000 feet
LNY: the forecast as issued, and in English
TAF PHNY 130540Z 1306/1406 04005KT P6SM FEW030 FM132000 08009KT P6SM FEW030 SCT040
KOA: the forecast as issued, and in English
TAF PHKO 130540Z 1306/1412 18007KT P6SM FEW040 FM132200 24009KT P6SM FEW050 FM140700 17006KT P6SM FEW250
Temporary flight restrictions on the line or within 25 nm of it
No temporary flight restriction on or near this route right now.
Notices to air missions closures and things out of service at both ends; airspace, navigation aids and obstructions near the line
KOA: 7 notices in force. all of them, grouped →
- closed Taxiway A3 closed to aircraft wingspan more than 78 ft until Sun 28 Feb, 5:00 am HST (15:00 UTC) · KOA 10/002
as issued
!KOA 10/002 KOA TWY A3 CLSD TO ACFT WINGSPAN MORE THAN 78FT 2610022015-2702281500
- closed Taxiway A4 closed to aircraft wingspan more than 78 ft until Sun 28 Feb, 5:00 am HST (15:00 UTC) · KOA 10/001
as issued
!KOA 10/001 KOA TWY A4 CLSD TO ACFT WINGSPAN MORE THAN 78FT 2610022014-2702281500
LNY: 11 notices in force. all of them, grouped →
2 notices near the line (airspace and special activity within 25 nm, navigation aids within 25 nm, obstructions within 5 nm):
- Navigation aid VOR/DME out of service until Sun 18 Oct, 6:00 pm HST (04:00 UTC) · 0 nm along the route, 26 nm off the line · MUE 10/002
as issued
!MUE 10/002 MUE NAV VOR/DME U/S 2610051800-2610190400
- Special Kapalua, Lahaina, HI. special takeoff minimums and (obstacle) departure procedures, amendment 4... takeoff minimums: runway 2, 400-1 or standard with minimum Climb of 332 ft per nautical miles to 600. all other data Remains the same. from Mon 31 Mar 2025, 6:29 am HST (16:29 UTC) until Thu 1 Apr, 6:29 am HST (16:29 UTC) (estimated) until Thu 1 Apr, 6:29 am HST (16:29 UTC), estimated · 81 nm along the route, 19 nm off the line · JHM 5/9925
as issued
!FDC 5/9925 JHM SPECIAL KAPALUA, LAHAINA, HI. SPECIAL TAKEOFF MINIMUMS AND (OBSTACLE) DEPARTURE PROCEDURES, AMDT 4 ... TAKEOFF MINIMUMS: RWY 2, 400-1 OR STANDARD WITH MINIMUM CLIMB OF 332 FT PER NM TO 600. ALL OTHER DATA REMAINS THE SAME. 2503311629-2704011629EST
From the FAA's notice service (NOTAMs), the site's copy refreshed every few minutes; last checked 1 minutes ago. The FAA has so far issued eFlight its test feed, which misses some notices (checked against the FAA's own search on 12 October: about a third missing at Santa Barbara and Burbank, none at Atlanta or Las Vegas); the request for the full feed is with the FAA. Times are local to the field. This is for planning; the legal briefing comes from Flight Service or the FAA's own tools.
Daylight
Sunset at KOA 6:02 pm HST (04:02 UTC), at LNY 6:05 pm HST (04:05 UTC) (civil twilight ends 6:27 pm HST (04:27 UTC)). At 120 knots the arrival at LNY is after sunset there (6:06 pm HST (04:06 UTC)).
Each restriction opens the FAA's own page with the exact area, heights and times.
The wind over the route live wind map, from Windy.com · drag the time bar for the coming hours; the level menu changes the height
Colours show wind speed, the moving lines its direction, at the surface unless you pick a height. Map and forecast by Windy.com; a second opinion beside the government's winds-aloft table above.
Radar and forecast charts for the regions crossed government pictures, the latest each time the page loads · the turbulence and icing forecasts: turbulence ↗ · icing ↗




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: Ellison Onizuka Kona International AT Keahole, Lanai Airport.
