Small airport

Early-Merkel Field

Pecatonica, Illinois, United States

IATA: None
ICAO: None
FAA: IS78
GPS: IS78

Local time: --:--
Elevation: 242 m (794 ft)
Longest runway: 732 m (2,400 ft)
Runways: 1

Early-Merkel Field is a small airport in Pecatonica, Illinois, United States. It has no IATA or ICAO code; its identifier is IS78. Its longest runway is 732 m (2,400 ft).

Location

Type: Small airport
Serves: Pecatonica
Region: Illinois
Country: United States
Coordinates: 42°21′58″N 89°14′06″W
42.36605, -89.23507 · Map
Elevation: 242 m (794 ft)
Time zone: America/Chicago

Runways

Runway	Length	Width	Surface	Lighted
15/33	732 m (2,400 ft)	21 m (70 ft)	Turf	No

Navigation Aids within 60 km 4

Ident	Name	Type	Frequency	Distance
RFD	Rockford	VOR-DME	110.80 MHz	16 km
JVL	Janesville	VOR-DME	114.30 MHz	24 km
RF	Gilmy	NDB	275 kHz	30 km
PLL	Polo	VOR-DME	111.20 MHz	51 km

Data last refreshed 28 September 2026. Not for navigation. About the data.