# Pilatus B4-PC11 - Type: Aircraft model (FAA registry) - Registry code: 7090104 - Manufacturer (registry): PILATUS - Model: B4-PC11 - Aircraft type: Glider - Category: Glider - Engines: None - Seats: 3 - Weight class: Up to 12,499 lb - Cruise speed: 45 mph - Certification: Type certificated - Data sheet: [TCDS G25EU](https://openairdocs.org/tcds/G25EU) (OpenAirDocs) - Holder: Pilatus Aircraft Limited - Registered aircraft: 20 - Page: https://openairdocs.org/model/pilatus-b4-pc11 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. - [AD 2005-08-07](https://openairdocs.org/ad/2005-08-07): Control-column support · Pilatus B4-PC11, B4-PC11A and B4-PC11AF. Effective Jun 2, 2005 - [AD 75-17-08](https://openairdocs.org/ad/75-17-08): Canopy Jettisoning Capability · Pilatus B4-PC11. Effective Aug 18, 1975 - [AD 75-16-11](https://openairdocs.org/ad/75-16-11): Rudder Control Cables · Pilatus B4-PC11. Effective Jul 29, 1975 - [AD 75-16-05](https://openairdocs.org/ad/75-16-05): Aileron Control Bolts · Pilatus B4-PC11. Effective Jul 28, 1975 ## Registered aircraft (20) - [N10874](https://openairdocs.org/aircraft/N10874): [Lake Elsinore Soaring Club](https://openairdocs.org/faa-owner/LAKE%20ELSINORE%20SOARING%20CLUB), [Wildomar, CA](https://openairdocs.org/faa-place/CA/Wildomar), built 1972, S/N 016 - [N21TU](https://openairdocs.org/aircraft/N21TU): [Aero Club Albatross](https://openairdocs.org/faa-owner/AERO%20CLUB%20ALBATROSS), [Blairstown, NJ](https://openairdocs.org/faa-place/NJ/Blairstown), built 1974, S/N 133 - [N484B](https://openairdocs.org/aircraft/N484B): [Odonnell Daniel V](https://openairdocs.org/faa-owner/ODONNELL%20DANIEL%20V), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 1974, S/N 208 - [N4BB](https://openairdocs.org/aircraft/N4BB): [Bock Bryce K](https://openairdocs.org/faa-owner/BOCK%20BRYCE%20K), [Longwood, FL](https://openairdocs.org/faa-place/FL/Longwood), S/N 020 - [N62516](https://openairdocs.org/aircraft/N62516): [N304mg LLC](https://openairdocs.org/faa-owner/N304MG%20LLC), [Homestead, FL](https://openairdocs.org/faa-place/FL/Homestead), built 1973, S/N 063 - [N64775](https://openairdocs.org/aircraft/N64775): [Adams Bob L](https://openairdocs.org/faa-owner/ADAMS%20BOB%20L), [Eagle River, AK](https://openairdocs.org/faa-place/AK/Eagle%20River), built 1977, S/N 254 - [N65317](https://openairdocs.org/aircraft/N65317): [Mahony John](https://openairdocs.org/faa-owner/MAHONY%20JOHN), [Ballston Spa, NY](https://openairdocs.org/faa-place/NY/Ballston%20Spa), built 1976, S/N 190 - [N65332](https://openairdocs.org/aircraft/N65332): [Utah Soaring Association Inc](https://openairdocs.org/faa-owner/UTAH%20SOARING%20ASSOCIATION%20INC), [Mapleton, UT](https://openairdocs.org/faa-place/UT/Mapleton), built 1974, S/N 164 - [N65394](https://openairdocs.org/aircraft/N65394): [All Attitude Aviation Inc](https://openairdocs.org/faa-owner/ALL%20ATTITUDE%20AVIATION%20INC), [Edgewater, FL](https://openairdocs.org/faa-place/FL/Edgewater), built 1976, S/N 216 - [N69AZ](https://openairdocs.org/aircraft/N69AZ): [Welch Troy O](https://openairdocs.org/faa-owner/WELCH%20TROY%20O), [Graford, TX](https://openairdocs.org/faa-place/TX/Graford), built 1974, S/N 205 - [N76PS](https://openairdocs.org/aircraft/N76PS): [Franconia Soaring Association Inc](https://openairdocs.org/faa-owner/FRANCONIA%20SOARING%20ASSOCIATION%20INC), [Franconia, NH](https://openairdocs.org/faa-place/NH/Franconia), built 1974, S/N 146 - [N774PS](https://openairdocs.org/aircraft/N774PS): [Dewitt Joseph W III](https://openairdocs.org/faa-owner/DEWITT%20JOSEPH%20W%20III), [Yorktown, VA](https://openairdocs.org/faa-place/VA/Yorktown), built 1976, S/N 203 - [N7CK](https://openairdocs.org/aircraft/N7CK): [Conner Walter Larry](https://openairdocs.org/faa-owner/CONNER%20WALTER%20LARRY), [Los Lunas, NM](https://openairdocs.org/faa-place/NM/Los%20Lunas), built 1976, S/N 187 - [N81YV](https://openairdocs.org/aircraft/N81YV): [Mahony John](https://openairdocs.org/faa-owner/MAHONY%20JOHN), [Ballston Spa, NY](https://openairdocs.org/faa-place/NY/Ballston%20Spa), S/N 156 - [N855GH](https://openairdocs.org/aircraft/N855GH): [Thiemar Martin](https://openairdocs.org/faa-owner/THIEMAR%20MARTIN), [Mineral Ridge, OH](https://openairdocs.org/faa-place/OH/Mineral%20Ridge), built 1974, S/N 139 - [N89AS](https://openairdocs.org/aircraft/N89AS): [Swanson Thomas G](https://openairdocs.org/faa-owner/SWANSON%20THOMAS%20G), [Seaford, VA](https://openairdocs.org/faa-place/VA/Seaford), built 1976, S/N 248 - [N8DK](https://openairdocs.org/aircraft/N8DK): [Flying L Aircraft Inc](https://openairdocs.org/faa-owner/FLYING%20L%20AIRCRAFT%20INC), [Fort Denaud, FL](https://openairdocs.org/faa-place/FL/Fort%20Denaud), built 1976, S/N 236 - [N9136Y](https://openairdocs.org/aircraft/N9136Y): [Hoyt Robert M](https://openairdocs.org/faa-owner/HOYT%20ROBERT%20M), [Rogers, AR](https://openairdocs.org/faa-place/AR/Rogers), S/N 060 - [N93458](https://openairdocs.org/aircraft/N93458): [Smith Stephen A](https://openairdocs.org/faa-owner/SMITH%20STEPHEN%20A), [Erwinna, PA](https://openairdocs.org/faa-place/PA/Erwinna), built 1973, S/N 061 - [N99990](https://openairdocs.org/aircraft/N99990): [Pickens Edward C](https://openairdocs.org/faa-owner/PICKENS%20EDWARD%20%20C), [Raleigh, NC](https://openairdocs.org/faa-place/NC/Raleigh), built 1974, S/N 158 ## NTSB investigations (2) 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 ERA21LA266](https://openairdocs.org/ntsb/ERA21LA266), May 20, 2021: Pilatus B4-PC11 (N65317), Sterling, MA, substantial damage. Probable cause: The pilot’s misjudged approach angle which resulted in impact with trees and terrain. - [NTSB NYC99LA170](https://openairdocs.org/ntsb/NYC99LA170), Jul 8, 1999: Pilatus B-4 (N20RK), Erwinna, PA, substantial damage. Probable cause: The pilot-in-command's failure to maintain aircraft control. ## FAA accident and incident reports (2) 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 20210520009579A](https://openairdocs.org/incident/20210520009579A), May 20, 2021: Pilatus B4-PC11 (N65317), Sterling, MA, Substantial damage. N65317, Pilatus B4-P11, single seat glider piloted by [privacy data omitted] struck trees while attempting to land on runway 16 at K3B3 Sterling Airport… - [Accident 19990708008679A](https://openairdocs.org/incident/19990708008679A), Jul 8, 1999: Pilats B4PC11 (N20RK), Erwinna, PA, Substantial damage. Acft landed short of the rwy and sustained substantial damage. (.19)on July 8, 1999, about 1530 eastern daylight time a Pilatus B-4 glider, N20RK, was… ## Service difficulty reports (1) As reported by operators and repair stations, by the model named in the report. - [SDR QMLA2022090620062](https://openairdocs.org/sdr/QMLA2022090620062), Sep 4, 2022: NONE. NONE. AT !5 NM NORTH NORTHWEST FROM KMTJ I GAVE A POSITION REPORT AND STARTED TO NOTICE THAT THE COPILOT/ RIGHT WINDSHIELD WAS BLURRY. I TOLD THE MED CREW THAT THERE --- 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.