# AS+ AC 4 - Type: Aircraft model (FAA registry) - Registry code: 05628R1 - Manufacturer (registry): AS+ LTD - Model: AC 4 - Aircraft type: Glider - Category: Glider - Engines: None - Seats: 1 - Weight class: Up to 12,499 lb - Certification: Type certificated - Registered aircraft: 23 - Page: https://openairdocs.org/model/as-plus-ac-4 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. None matched. ## Registered aircraft (23) - [N1042](https://openairdocs.org/aircraft/N1042): [Estell William S](https://openairdocs.org/faa-owner/ESTELL%20WILLIAM%20S), [Wilmington, OH](https://openairdocs.org/faa-place/OH/Wilmington), built 1999, S/N 042 - [N116RR](https://openairdocs.org/aircraft/N116RR): [Gross Gary O](https://openairdocs.org/faa-owner/GROSS%20GARY%20O), [Beaverton, OR](https://openairdocs.org/faa-place/OR/Beaverton), built 1995, S/N 016 - [N126LJ](https://openairdocs.org/aircraft/N126LJ): [Hudson Peter O](https://openairdocs.org/faa-owner/HUDSON%20PETER%20O), [Ridgecrest, CA](https://openairdocs.org/faa-place/CA/Ridgecrest), built 1999, S/N 046 - [N126TH](https://openairdocs.org/aircraft/N126TH): [Park Forest South Aviation Group](https://openairdocs.org/faa-owner/PARK%20FOREST%20SOUTH%20AVIATION%20GROUP), [Mount Prospect, IL](https://openairdocs.org/faa-place/IL/Mount%20Prospect), S/N 014 - [N12GV](https://openairdocs.org/aircraft/N12GV): [Jorgensen David](https://openairdocs.org/faa-owner/JORGENSEN%20DAVID), [Laconia, NH](https://openairdocs.org/faa-place/NH/Laconia), built 1995, S/N 17 - [N139TR](https://openairdocs.org/aircraft/N139TR): [Huntsville Soaring Association](https://openairdocs.org/faa-owner/HUNTSVILLE%20SOARING%20ASSOCIATION), [Brownsboro, AL](https://openairdocs.org/faa-place/AL/Brownsboro), built 1999, S/N 39 - [N1809](https://openairdocs.org/aircraft/N1809): [Barrett Bruce S](https://openairdocs.org/faa-owner/BARRETT%20BRUCE%20S), [Sebastian, FL](https://openairdocs.org/faa-place/FL/Sebastian), built 1999, S/N 048 - [N213J](https://openairdocs.org/aircraft/N213J): [Nemake Jason C](https://openairdocs.org/faa-owner/NEMAKE%20JASON%20C), [Victorville, CA](https://openairdocs.org/faa-place/CA/Victorville), built 1998, S/N 037 - [N2255F](https://openairdocs.org/aircraft/N2255F): [Loensloe Aviation Inc](https://openairdocs.org/faa-owner/LOENSLOE%20AVIATION%20INC), [Evans, CO](https://openairdocs.org/faa-place/CO/Evans), built 1995, S/N 12 - [N226CC](https://openairdocs.org/aircraft/N226CC): [Collins Dennis L](https://openairdocs.org/faa-owner/COLLINS%20DENNIS%20L), [Richland, WA](https://openairdocs.org/faa-place/WA/Richland), built 1996, S/N 20 - [N24VF](https://openairdocs.org/aircraft/N24VF): [Ely Osvaldo Bins](https://openairdocs.org/faa-owner/ELY%20OSVALDO%20BINS), [Cedar Park, TX](https://openairdocs.org/faa-place/TX/Cedar%20Park), built 1996, S/N 024 - [N287E](https://openairdocs.org/aircraft/N287E): [Steinkamp Thomas F](https://openairdocs.org/faa-owner/STEINKAMP%20THOMAS%20F), [Brentwood, TN](https://openairdocs.org/faa-place/TN/Brentwood), built 1997, S/N 028 - [N292DH](https://openairdocs.org/aircraft/N292DH): [Hillary Dennis S](https://openairdocs.org/faa-owner/HILLARY%20DENNIS%20S), [Machesney Park, IL](https://openairdocs.org/faa-place/IL/Machesney%20Park), built 1999, S/N 40 - [N29HS](https://openairdocs.org/aircraft/N29HS): [Cocatre-Zilgien Jan H](https://openairdocs.org/faa-owner/COCATRE-ZILGIEN%20JAN%20H), [Urbana, IL](https://openairdocs.org/faa-place/IL/Urbana), built 1996, S/N 022 - [N3021](https://openairdocs.org/aircraft/N3021): [Lee Gary O](https://openairdocs.org/faa-owner/LEE%20GARY%20O), [Post Falls, ID](https://openairdocs.org/faa-place/ID/Post%20Falls), S/N 023 - [N435AC](https://openairdocs.org/aircraft/N435AC): [Leonard Steven E](https://openairdocs.org/faa-owner/LEONARD%20STEVEN%20E), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita), built 1998, S/N 035 - [N545AC](https://openairdocs.org/aircraft/N545AC): [Conner Walter L](https://openairdocs.org/faa-owner/CONNER%20WALTER%20L), [Los Lunas, NM](https://openairdocs.org/faa-place/NM/Los%20Lunas), built 1999, S/N 045 - [N619KM](https://openairdocs.org/aircraft/N619KM): [Spinetta Lawrence J](https://openairdocs.org/faa-owner/SPINETTA%20LAWRENCE%20J), [Austin, TX](https://openairdocs.org/faa-place/TX/Austin), S/N 019 - [N68PR](https://openairdocs.org/aircraft/N68PR): [Dyer Robert A](https://openairdocs.org/faa-owner/DYER%20ROBERT%20A), [Papillion, NE](https://openairdocs.org/faa-place/NE/Papillion), built 1999, S/N 044 - [N749R](https://openairdocs.org/aircraft/N749R): [Davids Daniel D](https://openairdocs.org/faa-owner/DAVIDS%20DANIEL%20D), [Woodinville, WA](https://openairdocs.org/faa-place/WA/Woodinville), S/N 043 - [N797E](https://openairdocs.org/aircraft/N797E): [Spinetta Lawrence J](https://openairdocs.org/faa-owner/SPINETTA%20LAWRENCE%20J), [Austin, TX](https://openairdocs.org/faa-place/TX/Austin), built 1995, S/N 009 - [N80750](https://openairdocs.org/aircraft/N80750): [Smith John A](https://openairdocs.org/faa-owner/SMITH%20JOHN%20A), [La Mirada, CA](https://openairdocs.org/faa-place/CA/La%20Mirada), S/N 034 - [N82DD](https://openairdocs.org/aircraft/N82DD): [Fun Country Soaring](https://openairdocs.org/faa-owner/FUN%20COUNTRY%20SOARING), [Valley City, OH](https://openairdocs.org/faa-place/OH/Valley%20City), built 1999, S/N 38 ## NTSB investigations (7) 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 CEN17LA181](https://openairdocs.org/ntsb/CEN17LA181), May 13, 2017: AS+ AC 4 (N358R), Blair, NE, substantial damage, 1 fatal. Probable cause: The pilot's loss of control due to his diverted attention as he attempted to close the canopy that opened during initial climb. - [NTSB LAX05LA239](https://openairdocs.org/ntsb/LAX05LA239), Jul 19, 2005: As+ AC4 (N9276Y), Sparks, NV, destroyed, 1 fatal. Probable cause: the pilot's failure to maintain an adequate airspeed while performing S-turns on final approach, which resulted in a stall and uncontrolled descent into terrain. A contributing factor in the accident… - [NTSB SEA05LA114](https://openairdocs.org/ntsb/SEA05LA114), Jun 11, 2005: Avia Stroitel AC-4B (N1198Z), Wenatchee, WA, destroyed, 1 fatal. Probable cause: The pilot's failure to maintain terrain clearance for undetermined reasons. - [NTSB CHI01LA332](https://openairdocs.org/ntsb/CHI01LA332), Sep 29, 2001: AviaStrottel AC 4C (N68PR), Marshfield, MI, minor damage. Probable cause: The pilot's decision to release from the tow plane during the takeoff. A factor associated with the accident was the pilot's vision was restricted by his hat during the takeoff. - [NTSB FTW98LA223](https://openairdocs.org/ntsb/FTW98LA223), May 16, 1998: AS+ AC-4 (N158R), Cedar Fort, UT, destroyed. Probable cause: Failure by the pilot to maintain control of the aircraft. A factor was lack of experience in make and model. - [NTSB FTW97LA349](https://openairdocs.org/ntsb/FTW97LA349), Sep 14, 1997: AS+ AC-4B (N3021), Sundance, WY, substantial damage. Probable cause: improper planning/decision by the pilot, which led to a snag and sudden slack in the tow rope, and necessitated an aborted launch (emergency landing) after initial liftoff. This in turn led to an… - [NTSB CHI96LA165](https://openairdocs.org/ntsb/CHI96LA165), May 18, 1996: AS+ AC 4 (N29HS), Hartford, WI, substantial damage. Probable cause: lack of airspeed control by the pilot, while maneuvering. ## FAA accident and incident reports (8) 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. - [Accident 20170513008889A](https://openairdocs.org/incident/20170513008889A), May 13, 2017: As+ Ltd AC 4 (N358R), Blair, NE, Substantial damage, 1 fatal. On may 13, 2017, at approximately 1520 CDT, N358R, an aviastroitel As+ Ltd ac 4 sailplane, crashed while attempting to take off from a grass field located just… - [Accident 20050719016799A](https://openairdocs.org/incident/20050719016799A), Jul 19, 2005: Amtr AC4 (N9276Y), Sparks, NV, Destroyed, 1 fatal. (-23) The pilot, who was the sole occupant of N9276Y during an approach to landing on runway 21 at air Sailing, operated the aircraft in a manner that resulted… - [Accident 20050611011239A](https://openairdocs.org/incident/20050611011239A), Jun 11, 2005: Amtr AC4 (N1198Z), Wenatchee, WA, Substantial damage, 1 fatal. (-23) A/c struck ground during attempt to reach pangborn field (eat) after aerial tow release northeast of eat. A/c struck ground LH wingtip first with… - [Incident 20040714020219I](https://openairdocs.org/incident/20040714020219I), Jul 14, 2004: Amtr AC4 (N226CC), Waynesville, OH, Minor damage. (-23) On July 14, 2004, at 1430 EDT, an as+ ltd, model AC4 glider, N226CC, registered to twelve point six inc., made a hard landing in a field near Caesar… - [Accident 20010929028599A](https://openairdocs.org/incident/20010929028599A), Sep 29, 2001: N68PR, Marshall, MI, No damage. (-23) On September 29, 2001, at 1425 EST., an as+ltd AC4 glider, N68PR collided with the ground during a takeoff attempt from brooks field, Marshall, Michigan.… - [Accident 19980516009559A](https://openairdocs.org/incident/19980516009559A), May 16, 1998: N158R, Cedar Fort, UT, Destroyed. While on down wind in the landing pattern, the aircraft was observed enter a nose low attitude and impact the ground. Weather at the time was clearskies and… - [Accident 19970914047149A](https://openairdocs.org/incident/19970914047149A), Sep 14, 1997: N3021, Sundance, WY, Substantial damage. (-16) Glider launch system failed to propel aircraft into flight, pilot released tow cable to maintain aircraft control and avoid injury. - [Accident 19960518010759A](https://openairdocs.org/incident/19960518010759A), May 18, 1996: N29HS, Hartford, WI, Substantial damage. On test flight, glider started to spin, no controls, inverted, pilot bailed out, crashed short of airport. (-23) on may 18, 1996, at 1500 CST, an as+ ltd AC-4,… ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [AC Cooperative AC 4](https://openairdocs.org/model/ac-cooperative-ac-4): 2 registered aircraft, registry code 05626CZ - [Avia Stroitel AC-4](https://openairdocs.org/model/avia-stroitel-ac-4): 1 registered aircraft, registry code 056117L --- 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.