# NTSB NYC89LA076: Cessna 150L, N17109, Seneca Falls, NY, January 29, 1989 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: January 29, 1989, 16:10 local (21:10 UTC) - Place: Seneca Falls, NY - Coordinates: 42.910575, -76.790405 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=42.9106&lon=-76.7904&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 29, 1991 - Report: Approved by Office Director - NTSB case key (mKey): 36371 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC89LA076 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/36371/pdf - Page: https://openairdocs.org/ntsb/NYC89LA076 ## Probable cause (aircraft 2) FAILURE OF THE PILOT OF THE C-150, N17109, TO MAINTAIN PROPER SEPARATION FROM OTHER AIRCRAFT DURING LANDING AT AN UNCONTROLLED AIRPORT. ## Probable cause (aircraft 1) FAILURE OF THE PILOT OF THE C-150, N17109, TO MAINTAIN PROPER SEPARATION FROM OTHER AIRCRAFT DURING LANDING AT AN UNCONTROLLED AIRPORT. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Midair collision, landing - flare/touchdown - visual lookout - inadequate, pilot in command (cause) - radio communications - inadequate, pilot of other aircraft (contributing factor) - radio communications - inadequate, pilot in command (contributing factor) - Midair collision, landing - flare/touchdown - visual lookout - inadequate, pilot of other aircraft (cause) - radio communications - inadequate, pilot in command (contributing factor) - radio communications - inadequate, pilot of other aircraft (contributing factor) ## Analysis (aircraft 2) THE CESSNA 150 LANDED ON TOP OF THE CESSNA 172 AS BOTH AIRCRAFT WERE LANDING AT AN UNCONTROLLED AIRPORT. ALTHOUGH THEY BOTH SAID THAT THEY BROADCASTED THEIR INTENTIONS ON UNICOM, NEITHER SAW NOR WAS AWARE OF THE OTHERS LOCATION. BOTH AIRPLANES WERE PRACTICING TOUCH AND GO LANDINGS. ## Analysis (aircraft 1) THE CESSNA 150 LANDED ON TOP OF THE CESSNA 172 AS BOTH AIRCRAFT WERE LANDING AT AN UNCONTROLLED AIRPORT. ALTHOUGH THEY BOTH SAID THAT THEY RADIOED THEIR INTENTIONS ON UNICOM, NEITHER SAW NOR WAS AWARE OF THE OTHERS LOCATION. BOTH AIRPLANES WERE PRACTICING TOUCH AND GO LANDINGS. ## Aircraft 1 - Registration: [N17109](https://openairdocs.org/deregistered/N17109-2013-10-29), registration cancelled 2013-10-29, S/N 15073629, built 1972 (OpenAirDocs) - Reported make and model: CESSNA 150L - Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs) - Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 15073629 - Airframe hours: 668 - Engines: CONTINENTAL O-200A 100 horsepower reciprocating - Damage: Minor damage - Flight: Personal, Part 91 - Operator: K & M Aircraft, Inc. - Registered owner: K & M Aircraft Inc - Airworthiness certificate: Standard, Normal - Last inspection: Annual, November 19, 1988, 18 hours before - Departed: 0G7, SENECA FALLS, NY - Airport: OG7, Seneca Falls, runway 18, 3,200 × 50 ft, asphalt ## Aircraft 2 - Registration: [N12679](https://openairdocs.org/aircraft/N12679), registered now, S/N 17262170, built 1973 (OpenAirDocs) - Reported make and model: CESSNA 172 - Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs) - Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 17262170 - Engines: LYCOMING O-320-E2D 150 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Sale Reported - Airworthiness certificate: Standard, Normal - Departed: SYR, SYRACUSE, NY - Destination: 0G7, SENECA FALLS, NY - Airport: OG7, Seneca Falls, runway 18, 3,200 × 50 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N17109; age 69; student; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 27 total, 27 in this make and model, 2 as pilot in command, 7 in the last 90 days, 2 in the last 30 days - Pilot, aircraft N12679; age 31; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 58 total, 7 in this make and model, 34 as pilot in command, 1 in the last 90 days, 1 in the last 30 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 200° at 6 knots - Visibility: 15 statute miles - Temperature: 45 °F, dew point -0 °F - Altimeter: 29.00 inHg ## 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 19890129038171A](https://openairdocs.org/incident/19890129038171A), Jan 29, 1989: Cessna 150L, Seneca Falls, NY, Minor damage. Student pilot landed on top of N12679 while both were on short final for landing at 10 feet above the runway. - [Accident 19890129038172A](https://openairdocs.org/incident/19890129038172A), Jan 29, 1989: Cessna 172, Seneca Falls, NY, Substantial damage. A Cessna 150, N17109,landed on top of his aircraft while both were on final for landing at 10 feet above the runway ## Other investigations on N17109 (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 NYC90LA206](https://openairdocs.org/ntsb/NYC90LA206), Aug 30, 1990: Cessna 150L (N17109), Palmyra, NY, destroyed. Probable cause: PILOT'S FAILURE TO MAINTAIN AIRSPEED DURING APPROACH RESULTING IN THE AIRPLANE STALLING AND DESCENDING UNCONTROLLED TO GROUND IMPACT. 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.