KGNB · Granby Grand County Airport

GRANBY, COLORADO · SMALL AIRPORT

8,203

Elevation ft

Runway

5,001

Longest ft · 09/27

40.09N

105.92W

Granby Grand County Airport serves Granby, Colorado at 8,203 ft elevation with its longest runway, 09/27, at 5,001 by 75 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.

Open KGNB in JetDesk: live METAR, TAF, winds and runway verdict →

01Runways

Runway	Length × width	Surface	Lighting
09/27	5,001 × 75 ft	asphalt	lit

02Density altitude and turboprop runway margins

Standard temperature at 8,203 ft is about -1°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, -1°C)	8,203 ft	4,038 ft	2,975 ft	4,463 ft
Warm day (ISA +10)	9,403 ft	4,272 ft	3,102 ft	4,653 ft
Hot day (ISA +20)	10,603 ft	4,506 ft	3,229 ft	4,843 ft
35°C afternoon	12,572 ft	4,890 ft	3,436 ft	5,155 ft

Planning aid only. On a 35°C afternoon the longest runway (09/27, 5,001 ft) is within 20 percent of the 1.5x landing figure for a Meridian-class turboprop (5,155 ft). Plan hot-day departures for the morning and check the POH. 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 KGNB is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
K20V McElroy Airfield	21 nm W	5,540 ft
KBJC Rocky Mountain Metropolitan Airport	38 nm E	9,000 ft
K33V Walden Jackson County Airport	43 nm N	5,901 ft
KFNL Northern Colorado Regional Airport	47 nm NE	8,500 ft
KEGE Eagle County Regional Airport	53 nm SW	9,000 ft
KLXV Lake County Airport	55 nm S	6,400 ft

04Jet A prices and FBOs at KGNB

No public API publishes FBO fuel prices, so JetDesk does not guess. Pilots and crews log the price they actually paid at KGNB, 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 KGNB or read what a fuel stop actually saves.

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