# N5686X: 1977 Ayres S-2R - Status: Valid registration - Airframe: [Ayres S-2R](https://openairdocs.org/model/ayres-s-2r) (registry code 0970101, 1 seats) - Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016) - Serial number: 2395R - Year built: 1977 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Restricted, agriculture and pest control - Airworthiness date: December 15, 1977 - Certificate issued: June 18, 2011 - Expires: June 30, 2027 - Mode S code: A747E2 - Registered owner: [Wright Wayne M](https://openairdocs.org/faa-owner/WRIGHT%20WAYNE%20M) - Location: [Chestertown, MD](https://openairdocs.org/faa-place/MD/Chestertown) - Owner type: Individual - Owner's area on the map: 39.2095° N, 76.0839° W: Placed by OpenAirDocs at the center of ZIP code 21620, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5686X - Page: https://openairdocs.org/aircraft/N5686X From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Pratt & Whitney R1340 model are included. ## ADs that may apply (OpenAirDocs): 0 in force ### Matched by airframe (Ayres S-2R) None in force. ### Matched by engine (Pratt & Whitney R1340 series) None in force. ### Historical (superseded or no longer in force) - [AD 97-17-03](https://openairdocs.org/ad/97-17-03) (historical): Lower Spar Cap Bolt Hole Areas · Ayres 600 S-2D, S-2R, S2R-G1 and 12 more. Effective Sep 5, 1997 - [AD 97-13-11](https://openairdocs.org/ad/97-13-11) (historical): Lower Spar Cap Bolt Hole Areas · Ayres 600-S-2C, S-2R, S2R-G1 and 12 more. Effective Jul 23, 1997 ## Information bulletins (advisory) (1 in force) - [SAIB ACE-98-42](https://openairdocs.org/saib/ACE-98-42): . Issued Jul 24, 1998 ## NTSB investigations (3) 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 DEN04LA083](https://openairdocs.org/ntsb/DEN04LA083), May 31, 2004: Ayres S-2R (N5686X), Beaver, UT, substantial damage. Probable cause: the in-flight failure of the engine's P3 tube which resulted in the loss of engine power and the subsequent impact with terrain during a forced landing. Contributing factors include the lack of… - [NTSB SEA96LA113](https://openairdocs.org/ntsb/SEA96LA113), Jun 6, 1996: Ayres S2R (N5686X), Aberdeen, ID, substantial damage. Probable cause: pilot's improper planning/decision, and subsequent incapacitation, which resulted in a loss of aircraft control and collision with the terrain. Factors relating to the accident were: pilot fatigued… - [NTSB DEN82FTA04](https://openairdocs.org/ntsb/DEN82FTA04), Nov 23, 1981: Ayres S2R (N5686X), Richey, MT, substantial damage ## FAA accident and incident reports (6) 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. - [Incident 20120311004239I](https://openairdocs.org/incident/20120311004239I), Mar 11, 2012: Ayres Corporation S-2R (N5686X), Kennedyville, MD, Minor damage. Pilot was exercising his aircraft preparing to begin ag operations (part 137). After a 20 to 30 minute flight, the engine lost power. The pilot was unable to… - [Accident 20040531010199A](https://openairdocs.org/incident/20040531010199A), May 31, 2004: Ayres S2RRESTD (N5686X), Beaver, UT, Substantial damage. (-23) Power failure during cruise flight. Emergency landing resulted in substantial damage to the aircraft. There were no injuries to the pilot. - [Incident 20011108031649I](https://openairdocs.org/incident/20011108031649I), Nov 8, 2001: Ayres S2R (N5686X), Morgan, UT, Minor damage. (-23) Engine flamed out at 1000 ft above ground level after departing Morgan airport (2U). Pilot landed on the westbound lane of I-84 at mile marker 95. Minor… - [Accident 19960606012939A](https://openairdocs.org/incident/19960606012939A), Jun 6, 1996: Ayres S2R (N5686X), Aberdeen, ID, Substantial damage. Pilot passed out returning to airport due g loads in steep turns stress and fatigue. Impacted level upright. - [Accident 19811123078539A](https://openairdocs.org/incident/19811123078539A), Nov 23, 1981: Ayres S2RRESTD (N5686X), Richey, MT, Substantial damage. Pilot claims control problem with ailerons, but problem not established. Aircraft ran through fence and caught fire - [Incident 19780606044699I](https://openairdocs.org/incident/19780606044699I), Jun 6, 1978: Ayres S2R (N5686X), Circle, MT, Minor damage. Engine stopped due to a broken rocker arm boss at intake valve. ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) None matched to this aircraft's models. ## Related - Other Ayres S-2R aircraft: https://openairdocs.org/model/ayres-s-2r/aircraft.md - The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md --- 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.