The river test: seaplanes on the St. Joseph at Mishawaka

ALL ERAS · A SEARCHED NEGATIVE

The test and its result: A river city with two dams and a long slack-water reach is the kind of place floatplanes use, and the question was put to the record directly: no seaplane or floatplane operation, base, or landing on the St. Joseph River at Mishawaka was found in any era, in any source reached — not in the federal facility lists, not in Freeman's airfield record, not in the two cities' aviation history, and not in web search run on the question in November 2026. The river's documented air use at Mishawaka is none. The settling sources, if the negative must be hardened, are the FAA master-record history for St. Joseph County, the Seaplane Pilots Association's Water Landing Directory in its historical editions, and the Tribune files.

The river's one seaplane base, named as not Mishawaka's: The only St. Joseph River seaplane facility in any current listing is upstream and modern: the St. Joseph River Seaplane Base at Elkhart, identifier 0IN, owned by the Indiana Department of Natural Resources, activated August 2020, with a water runway of 2,675 by 100 feet, its operations prohibited between sunset and sunrise and its summer boat traffic noted in its own record. It proves seaplanes use this river in this region today; it is Elkhart's entry in another build, and it is not evidence of any Mishawaka operation in any era. One near-miss is kept out in the open: the only hydroplane episode touching this section's people is René Simon's, a month before his Mishawaka flight — on 14 August 1911 he ditched in Lake Michigan and was rescued by Hugh Robinson in a Curtiss hydroplane, the first airplane rescue at sea by another airplane. Chicago water, not the St. Joseph; printed here only so it is never drafted into the river's record.

Sources:

1. The search, November 2026: FAA/AirNav, SkyVector, and Pilot Getaways Indiana facility lists swept for seaplane facilities; Freeman's "Northern Indiana" and Simpson's "Aviation Around South Bend/Mishawaka" read for any seaplane mention — none; web queries on seaplane and floatplane use of the St. Joseph River at Mishawaka — none returned.
2. AirNav / FAA record for 0IN, St. Joseph River Seaplane Base, Elkhart (FAA information effective 22 January 2026) — Indiana DNR owner; activation August 2020; water runway 10W/28W, 2,675 × 100 feet; the sunset and boat-traffic remarks — Elkhart's facility, printed at boundary size.
3. Wikipedia, "René Simon (aviator)" — the 14 August 1911 Lake Michigan ditching and Robinson rescue, printed as an exclusion.