# Accident 19991001027761A: Beech D45, Oswego, IL, October 1, 1999 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: October 1, 1999 - Place: Oswego, IL - Damage: Destroyed - Collision: Midair collision, first aircraft - Phase of flight: Formation Flying - Operating rules: General operating rules (Part 91) - Location: 41.6907° N, 88.3309° W: From the FAA, an estimate near the named town, within about 3 miles - Nearby events: https://openairdocs.org/map.md?lat=41.6907&lon=-88.3309&mi=10 - Aircraft: N300SH, a cancelled registration (https://openairdocs.org/deregistered/N300SH-2000-04-05) (OpenAirDocs) - Registry model: Beech-Nogle D-45 (registry code 1152013, https://openairdocs.org/model/beech-nogle-d-45) (OpenAirDocs) - Reported make and model: BEECH D45 - People aboard: 1 - Fatal injuries: 1 - NTSB investigation: [NTSB CHI00FA003](https://openairdocs.org/ntsb/CHI00FA003) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/19991001027761A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. (.19) ON OCTOBER 1, 1999, AT 1600 CENTRAL DAYLIGHT TIME, A BEECH-NOGLE D-45, N300SH, OPERATED BY THE LIMA LIMA FLYING SQUADRON INCORPORATED, WAS DESTROYED ON IMPACT WITH TERRAIN FOLLOWING AN IN-FLIGHT COLLISION WITH A BEECH D-45, N5367G. N5367G WAS SUBSTANTIALLY DAMAGED AND MADE A LANDING AT AURORA MUNICIPAL AIRPORT, AURORA, ILLINOIS. BOTH AIRCRAFT HAD DEPARTED IN SEQUENCE FROM A LIMA LIMA 6-SHIP DELTA FORMATION PERFORMING A NON-AEROBATIC MANEUVER CALLED A POP TOP BREAK. N300SH WAS THE NUMBER TWO AIRCRAFT AND N5367G WAS THE NUMBER THREE AIRCRAFT. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT. THE 14 CFR PART 91 PRACTICE FLIGHT WAS NOT OPERATING ON A FLIGHT PLAN. THE AIRLINE TRANSPORT PILOT OF N300SH WAS FATALLY INJURED. THE AIRLINE TRANSPORT PILOT OF N5367G REPORTED NO INJURIES. THE LIMA LIMA SQUADRON DEPARTED FROM NAPER AERO CLUB AIRPORT, NAPERVILLE, ILLINOIS, AT APPROXIMATELY 1530, EN ROUTE TO A PRACTICE AREA LOCATED APPROXIMATELY 5 MILES SOUTHEAST OF OSWEGO, ILLINOIS, PRIOR TO LANDING AT MERRILL C. MEIGS FIELD AIRPORT, CHICAGO, ILLINOIS. THE MAIN WRECKAGE OF N300SH WAS FOUND LYING IN A CORN FIELD WITH NORTH-SOUTH ROWS LOCATED AT THE PRACTICE AREA . THE AIRCRAFT'S FUSELAGE, WINGS, EMPENNAGE, AND ENGINE WERE FOUND WITH THE MAIN WRECKAGE WHICH WAS CONTAINED IN AN AREA WHICH WAS APPROXIMATELY 30 FEET IN DIAMETER. THE CONTROL SURFACES OF THE AIRCRAFT WERE FOUND INTACT WITH THEIR RESPECTIVE CONTROL SURFACES. THE OUTBOARD SECTION OF THE AIRCRAFT'S LEFT WING WAS BENT IN THE VERTICAL DIRECTION AND TWISTED ALONG THE AIRCRAFT'S APPROXIMATE LATERAL AXIS. INSPECTION OF N5367G REVEALED THAT THE OUTBOARD SECTION OF THE AIRCRAFT'S LEFT WING WAS DEFORMED IN THE DOWNWARD DIRECTION WITH STEAKS OF WHITE, BLUE, AND RED PAINT ON THE WINGS UPPER SURFACE. BOTH AIRCRAFT POSSESSED "STAR AND BAR" INSIGNIA WITH WHITE, BLUE, AND RED PAINT. THE "STAR AND BAR" INSIGNIAS WERE LOCATED ON THE BOTTOM RIGHT WINGS AND UPPER LEFT WINGS OF EACH AIRCRAFT. (-23)NO NARRATIVE ## The NTSB's investigation of this event (1) 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. - [NTSB CHI00FA003](https://openairdocs.org/ntsb/CHI00FA003), Oct 1, 1999: Beech D-45 (N300SH), Oswego, IL, destroyed, 1 fatal. Probable cause: the visual lookout not obtained by the pilot of the Beech T-34 and the inadequate procedure by the Lima Lima Flying Squadron. The delayed entry into the maneuver by the pilot of the Beech D-45 was a… From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record. --- 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.