# NTSB CHI91LA137: Piper PA-28-151, N32478, Mccook, NE, April 23, 1991 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: April 23, 1991, 09:30 local (14:30 UTC) - Place: Mccook, NE - Coordinates: 40.200428, -100.620368 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=40.2004&lon=-100.6204&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report March 31, 1993 - Report: Approved by Office Director - NTSB case key (mKey): 15048 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI91LA137 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/15048/pdf - Page: https://openairdocs.org/ntsb/CHI91LA137 ## Probable cause (aircraft 2) A POORLY PLANNED APPROACH AND INADEQUATE VISUAL LOOKOUT BY THE PILOT. ## Probable cause (aircraft 1) A POORLY PLANNED APPROACH AND INADEQUATE VISUAL LOOKOUT BY THE PILOT OF THE OTHER AIRCRAFT. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - On ground/water collision with object, landing - roll - planned approach - poor, pilot of other aircraft (cause) - visual lookout - inadequate, pilot of other aircraft (cause) - In flight collision with object, landing - flare/touchdown - object - aircraft moving on ground - planned approach - poor, pilot in command (cause) - visual lookout - inadequate, pilot in command (cause) ## Analysis (aircraft 2) THE PILOT SAID THAT AS HE FLARED TO LAND, HE LANDED ON TOP OF ANOTHER AIRCRAFT THAT HAD JUST TOUCHED DOWN. THE TWO AIRCRAFT, LOCKED TOGETHER, CONTINUED DOWN THE CENTER OF THE RUNWAY FOR ANOTHER 600 FEET BEFORE STOPPING. THE TOP AIRCRAFT SUSTAINED ONLY MINOR DAMAGE AND THE BOTTOM AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE. ## Analysis (aircraft 1) THE STUDENT PILOT SAID THAT HE HAD JUST TOUCHDOWN DOWN, WHEN ANOTHER AIRCRAFT LANDED ON TOP OF HIS AIRCRAFT. THE TWO AIRCRAFT LOCKED TOGETHER AND CAME TO A STOP ABOUT 600 FEET DOWN THE RUNWAY ON CENTERLINE. THE UNINJURED PILOT EXITED THROUGH THE LUGGAGE COMPARTMENT AS HE WAS UNABLE TO OPEN THE DOOR. ## Aircraft 1 - Registration: [N32478](https://openairdocs.org/aircraft/N32478), registered now, S/N 28-7515164, built 1974 (OpenAirDocs) - Reported make and model: PIPER PA-28-151 - Registry model: [Piper PA-28-151](https://openairdocs.org/model/piper-pa-28-151) (registry code 7102805) (OpenAirDocs) - Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 28-7515164 - Airframe hours: 2404 - Engines: LYCOMING O-320-E3D 150 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Operator: Trego Aviation, Inc. - Airworthiness certificate: Standard, Normal - Last inspection: Annual, March 13, 1991, 54 hours before - Departed: LBF, NORTH PLATTE, NE - Flight plan: VFR - Airport: MCK, Mccook, runway 3, 3,999 × 75 ft, concrete ## Aircraft 2 - Registration: [N3131X](https://openairdocs.org/deregistered/N3131X-2013-09-16), registration cancelled 2013-09-16, S/N 15064531, built 1966 (OpenAirDocs) - Reported make and model: CESSNA 150 - Registry model: [Cessna 150F](https://openairdocs.org/model/cessna-150f) (registry code 2071814) (OpenAirDocs) - Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 15064531 - Airframe hours: 5523 - Engines: CONTINENTAL O-200-A 100 horsepower reciprocating - Damage: Minor damage - Flight: Instructional, Part 91 - Operator: Lavern Schneider - Airworthiness certificate: Standard, Utility; Standard, Normal - Last inspection: Annual, April 17, 1990, 16 hours before - Airport: MCK, Mccook, runway 3, 3,999 × 75 ft, concrete ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N32478; age 24; student; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 50 total, 43 in this make and model, 4 as pilot in command, 19 in the last 90 days, 11 in the last 30 days, 1 in the last 24 hours - Pilot, aircraft N3131X; age 66; student; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 69 total, 1 in this make and model, 43 as pilot in command, 2 in the last 90 days, 2 in the last 30 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 10° at 10 knots - Visibility: 15 statute miles - Lowest ceiling: none - Temperature: -0 °F, dew point -0 °F - Observed at: MCK, 1 nm away ## 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 19910423012082A](https://openairdocs.org/incident/19910423012082A), Apr 23, 1991: Piper PA28151, Mccook, NE, Substantial damage. Made straight in approach. On landing roll N3131X landed on top of his aircraft. - [Accident 19910423012081A](https://openairdocs.org/incident/19910423012081A), Apr 23, 1991: Cessna 150F, Mccook, NE, Minor damage. Unaware of N32478 straight in approach landed on top of aircraft on its landing roll. 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.