All the Special Instrument Flight Procedures are listed here:
https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/Flt_Procedures_Data/
You can see the vast majority are helicopter approaches to hospitals.
There are several private use, privately owned airports with their own unpublished instrument approach procedures. However there are only 7 Private Use Airparks with their own instruments approaches out of the 625 airparks in the USA.
Dry Creek Airport, TS07 in Cypress TX, where I live, has RNAV 18 (LP mins), and RNAV 36
Heaven’s Landing, GE99 in Clayton, GA has an RNAV 23
Spruce Creek, 7FL6 in Daytona Beach, FL has an RNAV 06
Earl L Small Jr, 20GA in Villa Rica, GA has an RNAV 10
Pecan Plantation, 0TX1 in Granbury TX has an RNAV 19
Naper Aero Club Airport, LL10 in Naperville IL has a VOR/GPS 36
Wellington Aero Club, FD38 in West Palm Beach FL unknown approach type.
As far as I’m aware, Dry Creek Airport is the only private use airport with a grass runway that has an instrument approach.
There are a few very large ranches for those that have their own jets. These include:
Mesa Vista Ranch, Pampa Texas owned by T. Boone Pickens
Eagle Pass Texas owned by the Friedkin family and home to the Comanche Fighters warbirds.
El Jardin Ranch, Encinal TX owned by oilman Rod Lewis. Lewis Air Legends.
There are a few luxury resorts, not airparks, with private approaches such as Coral Creek, Placida Florida and Horseshoe Bay near Austin.
To obtain our private approach, we paid the FAA to initially design and and thereafter pay them to maintain the procedures. We also paid Jeppesen to create charts for the procedures and also to add them to their master database to be included in the 13 updates each year. Garmin was also contacted to add our approaches to their database updates - actually via their database supplier AeroNavData. We had to tell them specific models of GPS systems - eg 430/530, 650/750, G1000, KLN 89B etc. so that all of our pilots aircraft were covered. A list of approved pilots authorized to fly the approach is kept with the FAA. Thankfully each approved pilot no longer has to visit the local FSDO, only sign the authorization form. Only those pilots authorized are given a copy of the serialized approach plates. The plates are never openly published. See AIM 5-4-8 and also FAA 8260.60.pdf. All the expenses for these approaches are paid for by our airport users association dues.
Apart from the benefit of allowing us to land at home when the weather is IMC, and conveniently keep IFR current, the approaches also give us some degree of obstacle protection of the approach paths to the airport. This protection would not happen if we did not have theses approaches.
Mike Meadows
www.TS07.org