KART · Watertown International Airport

WATERTOWN, NEW YORK · MEDIUM AIRPORT · SCHEDULED SERVICE

325

Elevation ft

Runways

7,001

Longest ft · 10/28

43.99N

76.02W

Watertown International Airport serves Watertown, New York at 325 ft elevation with its longest runway, 10/28, at 7,001 by 150 ft. The figures below are computed from FAA NASR runway data (via OurAirports) and the same rules of thumb JetDesk uses on the airport page in the app; the POH and current NOTAMs are the authority.

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01Runways

Runway	Length × width	Surface	Lighting
10/28	7,001 × 150 ft	asphalt	lit
07/25	4,999 × 150 ft	asphalt	lit

02Density altitude and turboprop runway margins

Standard temperature at 325 ft is about 14°C. Every 1,000 ft of density altitude adds roughly 8 percent to a turboprop's takeoff distance and 5 percent to its landing distance. The table uses Piper Meridian book numbers (2,438 ft takeoff and 2,110 ft landing over a 50 ft obstacle at sea level, ISA, max weight) as a reference airplane; heavier turboprops and light jets scale the same way from their own POH figures.

Conditions	Density altitude	Takeoff est.	Landing est.	Landing × 1.5
Standard day (ISA, 14°C)	325 ft	2,501 ft	2,144 ft	3,216 ft
Warm day (ISA +10)	1,525 ft	2,735 ft	2,271 ft	3,406 ft
Hot day (ISA +20)	2,725 ft	2,969 ft	2,397 ft	3,596 ft
35°C afternoon	2,803 ft	2,985 ft	2,406 ft	3,609 ft

Planning aid only. Even on a 35°C afternoon the longest runway (10/28, 7,001 ft) covers a Meridian-class turboprop's landing distance with a 50 percent margin (3,609 ft needed). The percentages are a generic rule of thumb applied to one reference airplane, not certified performance data for any specific aircraft, and the runway size categories describe the runway, not your airplane's suitability. Verify with the approved flight manual before every flight.

03Nearby fields with 5,000 ft or more

Useful as alternates, as fuel stops when the price at KART is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
KFZY Oswego County Airport	42 nm SW	5,196 ft
KOGS Ogdensburg International Airport	48 nm NE	6,400 ft
KRME Griffiss International Airport	53 nm SE	11,820 ft
KSYR Syracuse Hancock International Airport	53 nm S	9,013 ft
KVGC Hamilton Municipal Airport	72 nm S	5,314 ft

04Jet A prices and FBOs at KART

No public API publishes FBO fuel prices, so JetDesk does not guess. Pilots and crews log the price they actually paid at KART, the app flags a price stale after two weeks, and the route finder ranks every field within a corridor of your route by net savings after the cost of the extra cycle. Log a price at KART or read what a fuel stop actually saves.

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