# NTSB MKC84LA230: Mooney M20C, N7702M, Hannibal, MO, July 25, 1984 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: July 24, 1984, 20:40 local (Jul 25, 1984, 01:40 UTC) - Place: Hannibal, MO - Coordinates: 39.700332, -91.37902 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=39.7003&lon=-91.3790&mi=10 - Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed - Report: Approved by Office Director - NTSB case key (mKey): 33755 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC84LA230 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/33755/pdf - Page: https://openairdocs.org/ntsb/MKC84LA230 ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - In flight collision with object, go-around (vfr) - electrical system,generator - failure,total (contributing factor) - communications - not possible, pilot in command (contributing factor) - light condition - dusk (contributing factor) - weather condition - haze/smoke (contributing factor) - visual lookout - inadequate, pilot in command (cause) - remedial action - delayed, pilot in command (cause) - In flight collision with object, landing - roll - light condition - dusk (contributing factor) - weather condition - haze/smoke (contributing factor) - visual lookout - inadequate, pilot of other aircraft (cause) - remedial action - attempted, pilot in command - remedial action - delayed, pilot of other aircraft (cause) ## Analysis (aircraft 2) N7702M EXPERIENCED AN ELECTRICAL FAILURE EN ROUTE & DIVERTED TO HANNIBAL. PLT STATED HE CIRCLED THE ARPT, SAW NO TRAFFIC& DECIDED TO LAND TO THE SOUTH. N38455 HAD JUST LANDED TO THE NORTH AND WAS ON THE RWY WHEN THE PLT SAW N7702M ATTEMPTING TO LAND IN THE OPPOSITE DIRECTION. N38455 WAS VEERED TO THE LEFT & THE PLT OF N7702M EXECUTED A G0-AROUND. THE LOWER AFT FUSELAGE OF N7702M CONTACTED THE SPINNING PROP OF N38455. N7702M RETURNED AND MADE AN UNEVENTFUL LANDING. KIGHT CONDITION WAS DUSK WITH 2 TO 4 MILES VISIBILITY WHEN THE ACCIDENT OCCURRED. ## Analysis (aircraft 1) N7702M EXPERIENCED AN ELECTRICAL FAILURE EN ROUTE & DIVERTED TO HANNIBAL. PLT STATED HE CIRCLED THE APRT, SAW NO TRAFFIC& DECIDED TO LAND TO THE SOUTH. N38455 HAD JUST LANDED TO THE NORTH AND WAS ON THE RWY WHEN THE PLT SAW N7702M ATTEMPTING TO LAND IN THE OPPOSITE DIRECTION. N38455 WAS VEERED TO THE LEFT & THE PLT OF N7702M EXECUTED A GO-AROUND. THE LOWER AFT FUSELAGE OF N7702M CONTACTED THE SPINNING PROP OF N38455. N7702M RETURNED AND MADE AN UNEVENTFUL LANDING. LIGHT CONDITION WAS DUSK WITH 2 TO 4 MILES VISIBILITY WHEN THE ACCIDENT OCCURRED. ## Aircraft 1 - Registration: [N7702M](https://openairdocs.org/aircraft/N7702M), registered now, S/N 670120, built 1967 (OpenAirDocs) - Reported make and model: MOONEY M20C - Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs) - Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 670120 - Airframe hours: 3800 - Engines: LYCOMING O-360-A1D 180 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Registered owner: J.D. Flyers - Airworthiness certificate: Standard, Normal - Last inspection: Annual, September 2, 1983, 275 hours before - Departed: MLI, MOLINE, IL - Destination: DAL, DALLASAL, MO - Flight plan: VFR - Airport: HAE, Hannibal Municipal, runway 17, 3,900 × 75 ft, asphalt ## Aircraft 2 - Registration: [N38455](https://openairdocs.org/aircraft/N38455), registered now, S/N 34-7770306, built 1977 (OpenAirDocs) - Reported make and model: PIPER PA-34-200T - Registry model: [Piper PA-34-200T](https://openairdocs.org/model/piper-pa-34-200t) (registry code 7103406) (OpenAirDocs) - Registry engine: [Continental TSIO-360 series](https://openairdocs.org/engine/continental-tsio-360-series) (registry code 17019, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 34-7770306 - Airframe hours: 2928 - Engines: CONTINENTAL TSIO-360-E 200 horsepower reciprocating - Damage: Minor damage - Flight: Business, Part 91 - Registered owner: Independent Service Co. - Airworthiness certificate: Standard, Normal - Last inspection: Annual, March 4, 1984, 48 hours before - Departed: OJC, OLATHE, KS - Airport: HAE, Hannibal Municipal, runway 35, 3,900 × 75 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N7702M; age 41; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 184 total, 47 in this make and model, 133 as pilot in command, 9 in the last 90 days, 5 in the last 24 hours - Pilot, aircraft N38455; age 59; private; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 5,500 total, 3 in this make and model, 5,395 as pilot in command, 67 in the last 90 days, 3 in the last 24 hours ## Weather - Conditions: Visual (VMC), Dusk - Wind: 30° at 6 knots - Visibility: 2 statute miles - Lowest ceiling: 8,000 ft overcast - Temperature: 75 °F, dew point 68 °F - Altimeter: 30.00 inHg - Observed at: UIN, 18 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 19840724058151A](https://openairdocs.org/incident/19840724058151A), Jul 24, 1984: Mooney M20C, Hannibal, MO, Substantial damage. Lost electrical power. Collided with opposite landing traffic, N38455, while landing minus lights. Made go around. - [Accident 19840724119342A](https://openairdocs.org/incident/19840724119342A), Jul 24, 1984: Piper PA34200T, Hannibal, MO, Minor damage. Struck on landing roll by opposite go around traffic N7702M that was landing without lights with inop generator. 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.