Grosse Ile Municipal Airport

42°05′57″N 083°09′41″W

Grosse Ile Municipal Airport
Summary
Airport typePublic
OwnerTownship of Grosse Ile
ServesGrosse Ile Township, Michigan
Elevation AMSL591 ft / 180 m
Map
ONZ is located in Michigan
ONZ
ONZ
ONZ is located in the United States
ONZ
ONZ
Runways
Direction Length Surface
ft m
4/22 4,846 1,477 Concrete
17/35 4,425 1,349 Concrete
Statistics (2020)
Aircraft operations16,000
Based aircraft70

Grosse Ile Municipal Airport (ICAO: KONZ, FAA LID: ONZ) is on Grosse Ile, in Wayne County, Michigan. It is owned by the Township of Grosse Ile.[1] The Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021 categorized it as a local reliever airport facility.[2]

Most U.S. airports use the same three-letter location identifier for the FAA and IATA, but Grosse Ile Municipal Airport is ONZ to the FAA and has no IATA code.[3]

History

In 1929 the airport opened as Naval Reserve Air Base Ile, with 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 use as a general aviation airport. A memorial garden sits directly behind Township Hall, the former Hangar One, to honor the men and women who served in the armed forces at the Naval Air Station Grosse Ile.

The airport taxiways are getting 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, crossed the airfield at about 9:00 PM local time.[5]

In 2020, DBusiness Magazine listed Grosse Ile one of the Top Regional Airports for corporate aviation.[6]

Facilities
Naval Air Station Grosse Ile in the 1940s

The airport covers 607 acres (246 ha) and has two concrete runways: 4/22 is 4,846 x 100 ft (1,477 x 30 m) and 17/35 is 4,425 x 75 ft (1,349 x 23 m). For the 12-month period ending December 31, 2020, the airport had 16,000 aircraft operations, or roughly 44 per day. All are general aviation. For the same time period, there are 70 aircraft based on the field: 57 single-engine and 9 multi-engine airplanes, 3 helicopters, and 1 jet.[1][7]

The airport is reached 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 to the parking lot. The airport offices are on the second floor.

The airport has an FBO offering fuel, aircraft parking, catering, courtesy cars, conference rooms, crew lounges, snooze rooms, showers, and more.[8]

Accidents & Incidents
  • On September 2, 1996, a Piper PA-28 Cherokee crashed while on initial climb out of Grosse Ile and subsequently impacted the river while en route to Jackson. Of the four onboard, the pilot and one passenger received serious injuries, and another two passengers received fatal injuries. Witnesses reported the aircraft appeared to be struggling to climb and then entered a steep left bank, losing altitude steadily until it impacted terrain. Other witnesses say they couldn't hear the engine running. The probable cause of the accident was found to be the pilot's exceeding the critical angle of bank required to maintain altitude.[9]
  • On July 11, 2002, a plane crashed into the Detroit River after takeoff from Grosse Ile. The U.S. Coast Guard rescued the two aboard, who were not injured.[10]
  • On June 23, 2011, a small plane crashed at Grosse Ile when its landing gear collapsed on landing. There was one pilot aboard.[11]
  • On July 11, 2020, an ultralight aircraft crashed into a residential area while operating at Grosse Ile Airport.[12]

See also

References
  1. FAA Airport Form 5010 for ONZ 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.
  6. "Corporate Aviation — Top Regional Airports 2020". DBusiness Magazine. 18 August 2020. Retrieved 2022-11-10.
  7. "AirNav: KONZ – Grosse Ile Municipal Airport". AirNav.com. Retrieved 2022-11-10.
  8. "Grosse Ile Aviation". FlightAware. Retrieved 2022-11-10.
  9. "N7082W accident description". Plane Crash Map. Retrieved 2022-11-10.
  10. "2 survive plane crash into the Detroit River". Toledo Blade. Retrieved 2022-11-10.
  11. "Small Plane Crash Lands At Grosse Ile Airport". CBS News Detroit. 23 June 2011. Retrieved 2022-11-10.
  12. "57-year-old Lincoln Park man pronounced dead after Grosse Ile plane crash". The News Herald. 11 July 2020. Retrieved 2022-11-10.
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