# NTSB CHI84FA225: Schleicher AS-K13, N3313, Stanton, MN, June 9, 1984 - Type: NTSB accident investigation - Classification: Accident · Fatal · Field investigation · Final report - Date: June 9, 1984, 09:40 local (14:40 UTC) - Place: Stanton, MN - Location: 44.4611° N, 93.0174° W: Placed by OpenAirDocs from NTSB’s distance and direction from STANTON AIRFIELD (SYN), within about a mile (OpenAirDocs) - Nearby events: https://openairdocs.org/map.md?lat=44.4611&lon=-93.0174&mi=10 - Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping) - Highest injury: Fatal - Injuries: 1 fatal, 1 serious, 1 minor - Status: Completed - Report: Approved by Office Director - NTSB case key (mKey): 12400 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI84FA225 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12400/pdf - Page: https://openairdocs.org/ntsb/CHI84FA225 ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Midair collision, approach - vfr pattern - base leg/base to final - communications equipment - not attained (contributing factor) - visual lookout - inadequate, pilot in command(cfi) (cause) - visual lookout - inadequate, dual student (cause) - light condition - sunglare (contributing factor) - visual lookout - inadequate, pilot of other aircraft (cause) - In flight collision with terrain/water, descent - uncontrolled - Midair collision, approach - vfr pattern - base leg/base to final - communications equipment - not attained (contributing factor) - light condition - sunglare (contributing factor) - visual lookout - inadequate, pilot in command (cause) - visual lookout - inadequate, pilot of other aircraft (cause) - In flight collision with terrain/water, descent - uncontrolled ## Analysis (aircraft 2) THE TOW PLANE AND THE SAILPLANE IT HAD TOWED TO PATTERN ALT COLLIDED ON FINAL APPROACH OF THE PATTERN. THE TOW PLANE WAS SUPPOSED TO FOLLOW THE SAILPLANE TO LAND AFTER IT HAD DROPPED THE TOW ROPE. THERE WAS A LOW SUN GLARE FACING THE TOWPLT ON THE HEADING OF THE BASE LEG. ACCORDING TO THE CFI IN THE GLIDER, THE TOW PLT WAS LOOKING 'AHEAD AND TO THE LEFT' JUST BEFORE THE COLLISION. THERE WERE NO RADIOS IN EITHER ACFT. ## Analysis (aircraft 1) THE TOW PLANE AND THE GLIDER IT HAD TOWED TO PATTERN ALT COLLIDED ON THE FINAL APPROACH OF THE TRAFFIC PATTERN. THE TOW PLANE WAS SUPPOSED TO FOLLOW THE SAILPLANE & LAND AFTER ITS TOW ROPE DROP. THERE WAS A LOW SUN GLARE ON THE HEADING OF THE BASE LEG. THE CFI IN THE GLIDER SAID HE DID NOT SEE THE TOW PLANE UNTIL THE GLIDER WAS AT ABOUT 200 FT AGL & 200 YARDS FROM TOUCHDOWN, THEN HE SAW A 'WHITE MOVEMENT' TO HIS LEFT. HE TURNED RIGHT, BUT WAS TOO LATE TO AVOID A COLLISION. HE SAID THERE WERE NO RADIOS IN EITHER ACFT. ## Aircraft 1 - Registration: N3313 (not matched to a registry record) - Reported make and model: SCHLEICHER AS-K13 - Category: Glider - Serial number: 13086 - Airframe hours: 3222 - Engines: unknown - Damage: Destroyed - Flight: Instructional, Part 91 - Registered owner: Minnesota Soaring Club, Inc. - Airworthiness certificate: Standard, Normal - Departed: SYN, STANTON, MN - Airport: SYN, Carleton, runway 36, 2,560 × 300 ft, grass/turf ## Aircraft 2 - Registration: N1015A (not matched to a registry record) - Reported make and model: PIPER PA-18A - Category: Airplane - Serial number: 18-585 - Engines: LYCOMING O-320-A3B 150 horsepower reciprocating - Damage: Destroyed - Flight: Part 91 - Registered owner: Minnesota Soaring Club, Inc. - Airworthiness certificate: Special, Restricted (Special) - Airport: SYN, Carleton, runway 36, 2,560 × 300 ft, grass/turf ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N3313; age 40; commercial, flight instructor; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: rear; flight hours: 1,508 total, 200 in this make and model, 1,440 as pilot in command, 49 in the last 90 days, 1 in the last 24 hours - Pilot, aircraft N1015A; age 60; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, unknown; seat: front; toxicology performed; flight hours: 4,074 total, 165 in this make and model, 2,635 as pilot in command, 8 in the last 90 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 180° at 5 knots - Visibility: 7 statute miles - Lowest ceiling: none - Temperature: 70 °F ## FAA reports on this event (2) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19840609026242A](https://openairdocs.org/incident/19840609026242A), Jun 9, 1984: Schler ASK13, Stanton, MN, Destroyed. Was struck by the towplane N1015A while on final for the runway. Towplane was on base turning final. - [Accident 19840609026241A](https://openairdocs.org/incident/19840609026241A), Jun 9, 1984: Piper PA18A, Stanton, MN, Destroyed. Struck his released glider N3313 that was on final when he was turning from base leg. Sun glare a possible factor. From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.