KRQB · Roben Hood Airport

BIG RAPIDS, MICHIGAN · SMALL AIRPORT

990

Elevation ft

Runways

4,300

Longest ft · 09/27

43.72N

85.50W

Roben Hood Airport serves Big Rapids, Michigan at 990 ft elevation with its longest runway, 09/27, at 4,300 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.

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01Runways

Runway	Length × width	Surface	Lighting
09/27	4,300 × 75 ft	asphalt	lit
14/32	2,699 × 75 ft	asphalt	lit

02Density altitude and turboprop runway margins

Standard temperature at 990 ft is about 13°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, 13°C)	990 ft	2,631 ft	2,214 ft	3,322 ft
Warm day (ISA +10)	2,190 ft	2,865 ft	2,341 ft	3,512 ft
Hot day (ISA +20)	3,390 ft	3,099 ft	2,468 ft	3,701 ft
35°C afternoon	3,628 ft	3,146 ft	2,493 ft	3,739 ft

Planning aid only. Even on a 35°C afternoon the longest runway (09/27, 4,300 ft) covers a Meridian-class turboprop's landing distance with a 50 percent margin (3,739 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 KRQB is high, or as the longer runway on a hot afternoon.

Airport	Distance	Longest runway
KFFX Fremont Municipal Airport	27 nm SW	6,501 ft
KCAD Wexford County Airport	33 nm N	5,001 ft
KMOP Mount Pleasant Municipal Airport	34 nm E	5,000 ft
KAMN Gratiot Community Airport	43 nm SE	5,004 ft
KMBL Manistee County Blacker Airport	46 nm NW	5,501 ft

04Jet A prices and FBOs at KRQB

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

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