# NTSB CHI84LA013: American AA-1A, N9237L, Delaware, OH, October 7, 1983 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: October 7, 1983, 19:50 local (23:50 UTC) - Place: Delaware, OH - Coordinates: 40.281151, -83.113115 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=40.2812&lon=-83.1131&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed - Report: Approved by Office Director - NTSB case key (mKey): 12471 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI84LA013 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12471/pdf - Page: https://openairdocs.org/ntsb/CHI84LA013 ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - In flight collision with object, landing - flare/touchdown - visual lookout - inadequate, pilot in command (cause) - lack of total experience, pilot in command - visual lookout - inadequate, pilot of other aircraft (cause) - lack of total experience, pilot of other aircraft - object - aircraft moving on ground (contributing factor) - On ground/water collision with object, landing - flare/touchdown - visual lookout - inadequate, pilot in command (cause) - lack of total experience, pilot in command - visual lookout - inadequate, pilot of other aircraft (cause) - lack of total experience, pilot of other aircraft ## Analysis (aircraft 2) THE PLT OF AMERICAN AA-1A, N9237L, DEPARTED THE TRAFFIC PATTERN, WHILE TURNING BASE, BECAUSE OF TRAFFIC TAXING ON THE RWY. HE RE-ENTER THE PATTERN ON DOWNWIND & CONTINUED, BUT DID NOT SEE A PIPER PA-38, N2333B, THAT ENTERED THE PATTERN. THE PA-38 PILOT ALSO ENTERED THE DOWNWIND AFTER RETURNING FROM A ROUND ROBIN FLT. THE AA-1A PLT SAID THAT HE WAS ON SHORT FINAL AT ABOUT 10 FT AGL, WHEN HE SAW HIS PROPELLER STIKE THE TAIL OF THE PIPER. HE SLOWED HIS ACFT TO MAKE ROOM FOR THE PIPER, THEN THE AA-1A STALLED & HIT THE RWY NOSE 1ST. THE PIPER PLT SAID THAT WHEN HE TOUCHED DOWN, HE HEARD A NOISE & HIS ACFT BEGAN FISHTAILING. HE WAS UNAWARE THAT HIS ACFT HAD BEEN HIT BY ANOTHER ACFT UNTIL HE WAS OFF THE RWY & ONTO A TAXIWAY. ## Analysis (aircraft 1) THE PLT OF AMERICAN AA-1A, N9237L, DEPARTED THE TRAFFIC PATTERN, WHILE TURNING BASE, BECAUSE OF TRAFFIC TAXING ON THE RWY. HE REENTER THE PATTERN ON DOWNWIND & CONTINUED HIS PATTERN, BUT DID NOT SEE A PIPER PA-38, N 2333B, THAT ENTERED THE PATTERN. THE PA-38 PILOT ALSO ENTERED THE DOWNWIND AFTER RETURNING FROM A ROUND ROBIN FLT. THE AA-1A PLT SAID THAT HE WAS ON A SHORT FINAL AT ABOUT 10 FT AGL, WHEN HE SAW HIS PROPELLER STRIKE THE TAIL OF THE PIPER. HE SLOWED HIS ACFT TO MAKE ROOM FOR THE PIPER, THEN THE AA-1A STALLED & HIT THE RWY NOSE 1ST. THE PIPER PLT SAID THAT WHEN HE TOUCHED DOWN, HE HEARD A NOISE & HIS ACFT BEGAN FISHTAILING. HE WAS UNAWARE THAT HIS ACFT HAD BEEN HIT BY ANOTHER ACFT UNTIL HE WAS OFF THE RWY & ONTO A TAXIWAY. ## Aircraft 1 - Registration: N9237L (not matched to a registry record) - Reported make and model: AMERICAN AA-1A - Category: Airplane - Serial number: 0137 - Airframe hours: 180 - Engines: LYCOMING O-235-C2C 108 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Registered owner: Cardinal Airmotive Inc. - Airworthiness certificate: Standard, Normal - Last inspection: Annual, June 11, 1983, 46 hours before - Departed: CMH, COLUMBUS, OH - Airport: DLS, Delaware Muni, runway 28, 4,100 × 75 ft, asphalt ## Aircraft 2 - Registration: N2333B (not matched to a registry record) - Reported make and model: PIPER PA-38-112 - Category: Airplane - Serial number: 38-79A0013 - Airframe hours: 900 - Engines: LYCOMING O-235-LAC 112 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Registered owner: Ronnie E. Evans - Airworthiness certificate: Standard, Normal - Last inspection: Annual, September 1, 1983 - Airport: DLS, Delaware Muni, runway 28, 4,100 × 75 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N9237L; age 23; student; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 33 total, 10 in this make and model, 21 as pilot in command, 28 in the last 90 days - Pilot, aircraft N2333B; age 36; student; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; flight hours: 53 total, 53 in this make and model, 53 in the last 90 days ## Weather - Conditions: Visual (VMC), Night/dark - Wind: 160° at 6 knots - Visibility: 15 statute miles - Lowest ceiling: none - Temperature: 63 °F, dew point 39 °F - Altimeter: 30.00 inHg - Observed at: CMH, 21 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 19831007053541A](https://openairdocs.org/incident/19831007053541A), Oct 7, 1983: Gulstm AA1A, Delaware, OH, Substantial damage. Aircraft collided with N2333B during flare out for landing. N2333B had just touched down entering landing roll. - [Accident 19831007053542A](https://openairdocs.org/incident/19831007053542A), Oct 7, 1983: Piper PA38112, Delaware, OH, Substantial damage. N9237L collided with N2333B during landing flare. N2333B was folling on runway. 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.