NTSB CAROL · Event
Event CHI85FA176
Aircraft involved
Factual narrative
THIS MIDAIR COLLISION OCCURRED APPROX 2 MI NE OF SAUK-PRAIRIE APT. THE PILOTS OF THE CESSNA WERE IN A CLIMBING RIGHT DEPARTURE TURN AT APPROX 1600 FT MSL HEADING APPROX 120 DEG WHEN A COLLISION OCCURRED WITH A PIIPER HEADING APPROX 270 DEG AND DESCENDING. ONE PILOT IN THE CESSNA WAS WEARING AN INSTRUMENT HOOD. THE PILOT OF THE PIPER WAS FLYING INTO THE SETTING SUN. ONE WITNESS SAW THE PIPER MAKE A SHARP EVASIVE TURN JUST PRIOR TO IMPACT. THE PILOTS OF THE CESSNADID NOT SEE THE PIPER UNTIL AFTER THE COLLISION. FOLLOWING THE COLLISION THE PILOT OF THE PIPER LOST CONTROL OF HIS AIRCRAFT AND CRASHED. THE PILOTS IN THE CESSNA LANDED SAFELY BACK AT SAUK-PRAIRIE EVEN THOUGH 3 FT 4 INCHES OF THE RIGHT WING AND 4 FT 4 INCHES OF THE RIGHT AILERON WERE MISSING. NEARLY FULL LEFT AILERON WAS REQUIRED THROUGHOUT THE RECOVERY AND LANDING. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1985_CHI85FA176.txt.
Findings + structured fields enriched from FAA avall.mdb.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type or causal vocabulary (midair collision). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Airspace Saturation and Midair Collision Risk: A Case Study at a Class D Airport
Near midair collisions are precursor events to actual collisions and may be an indicator of risk. While previous studies have used reports of near midair collisions to relate factors such as airspace …
- NASA NTRS 2023 · Presentation
The Viability of See-and-Avoid for Midair Collision Avoidance for Urban Air Mobility (UAM)
Urban Air Mobility (UAM) is an emerging aviation concept that could supplement today’s ground and air transportation systems.
- NASA NTRS 2023 · Presentation
The Viability of See-and-Avoid for Midair Collision Avoidance for UAM
Urban Air Mobility (UAM) is an emerging aviation concept that could supplement today’s ground and air transportation systems.
- NASA NTRS 2019 · Other - Patent
Apparatus for aiding a pilot in avoiding a midair collision between aircraft
An apparatus for aiding a pilot in avoiding a midair collision between aircraft is described. A protected aircraft carries a transmitter, a transponder, a receiver, and a data processor; and an intrud…
- Embry-Riddle Scholarly Commons 2018 · Journal article (IJAAA)
Evaluating Small UAS Near Midair Collision Risk Using AeroScope and ADS-B
As small unmanned aircraft systems (sUAS) continue to proliferate in the National Airspace System (NAS), near midair collisions are becoming more common.
- NASA NTRS 2011 · Reprint (Version printed in journal)
Midair collisions - The accidents, the systems, and the Realpolitik
Two midair collisions occurring in 1978 are described, and the air traffic control system and procedures in use at the time, human factors implications and political consequences of the accidents are …
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