Grosse Ile Municipal Airport

Grosse Ile Municipal Airport (ICAO: KONZ, FAA LID: ONZ) is a public airport located two miles (3 km) south of the central business district of Grosse Ile, in Wayne County, Michigan, United States. It is owned by the Township of Grosse Ile.[1] It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a local reliever airport facility.[2]

Grosse Ile Municipal Airport
Summary
Airport typePublic
OwnerTownship of Grosse Ile
ServesGrosse Ile Township, Michigan
Elevation AMSL591 ft / 180 m
Map
ONZ
Location of airport in Michigan
ONZ
ONZ (the United States)
Runways
Direction Length Surface
ft m
4/22 4,846 1,477 Concrete
17/35 4,425 1,349 Concrete
Statistics (2006)
Aircraft operations52,820
Based aircraft88

Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, Grosse Ile Municipal Airport is assigned ONZ by the FAA but has no designation from the IATA.[3]

History

In 1929, the airport opened as Naval Reserve Air Base Ile, consisting of a training school, seaplane base and dirigible hangar. In 1930, Thomas Towle used the hangars to build his Towle TA-3 diesel powered amphibian.[4] Renamed as Naval Air Station Grosse Ile during World War II, the installation operated until 1969, when it was closed and turned over to the Township in 1971 for operation as a general aviation airport. A memorial garden sits directly behind Township Hall, the former Hangar One, to honor all the men and women who served in the armed forces at the Naval Air Station Grosse Ile.

The airport taxiways are now going through a major renovation that should be completed next year.

On the evening of September 25, 2018, an EF1 tornado, one of a three tornado outbreak in the area, traversed the airfield at about 9:00 PM local time.[5]

Facilities and aircraft
Aerial view of Naval Air Station Grosse Ile in the 1940s

Grosse Ile Municipal Airport covers an area of 607 acres (246 ha) which contains two concrete paved runways: 4/22 measuring 4,846 x 100 ft (1,477 x 30 m) and 17/35 measuring 4,425 x 75 ft (1,349 x 23 m). For the 12-month period ending December 31, 2006, the airport had 52,820 general aviation aircraft operations, an average of 144 per day.[1]

The airport is accessible by taking Jefferson Street to the Grosse Ile Parkway and turning right onto Meridian Road. Continue on Meridian Road and turn right onto Groh Road. Watch for the Township Hall sign on the left (about 200-250 yards), which marks the entrance drive to the parking lot. The airport offices are on the second floor.

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References
  1. FAA Airport Master Record for ONZ (Form 5010 PDF), effective 2007-12-20
  2. "List of NPIAS Airports" (PDF). FAA.gov. Federal Aviation Administration. 21 October 2016. Retrieved 25 November 2016.
  3. Great Circle Mapper: KONZ - Grosse Ile, Michigan (Grosse Ile Municipal Airport)
  4. ROBERT B. MEYER (1964). The First Airplane Diesel Engine: Packard Model DR-980 of 1928. SMITHSONIAN INSTITUTION • NATIONAL AIR MUSEUM WASHINGTON, D.C.
  5. "September 25, 2018 Monroe and Wayne County Tornadoes". National Weather Service. Retrieved 26 September 2018.
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