# Pilatus B4-PC11AF

- Type: Aircraft model (FAA registry)
- Registry code: 7090103
- Manufacturer (registry): PILATUS
- Model: B4-PC11AF
- Aircraft type: Glider
- Category: Glider
- Engines: None
- Seats: 1
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS G25EU](https://openairdocs.org/tcds/G25EU) (OpenAirDocs)
- Holder: Pilatus Aircraft Limited
- Registered aircraft: 9
- Page: https://openairdocs.org/model/pilatus-b4-pc11af

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

## Registered aircraft (9)

- [N208AS](https://openairdocs.org/aircraft/N208AS): [Hardy Sandra N](https://openairdocs.org/faa-owner/HARDY%20SANDRA%20N), [Monson, ME](https://openairdocs.org/faa-place/ME/Monson), built 1977, S/N 272
- [N278AS](https://openairdocs.org/aircraft/N278AS): [Bock Bryce K](https://openairdocs.org/faa-owner/BOCK%20BRYCE%20K), [Longwood, FL](https://openairdocs.org/faa-place/FL/Longwood), S/N 251
- [N280DT](https://openairdocs.org/aircraft/N280DT): [Toews Donald W](https://openairdocs.org/faa-owner/TOEWS%20DONALD%20W), [Waipahu, HI](https://openairdocs.org/faa-place/HI/Waipahu), built 1977, S/N 280
- [N303TM](https://openairdocs.org/aircraft/N303TM): [North Florida Soaring Society Inc](https://openairdocs.org/faa-owner/NORTH%20FLORIDA%20SOARING%20SOCIETY%20INC), [Jacksonville, FL](https://openairdocs.org/faa-place/FL/Jacksonville), built 1977, S/N 273
- [N38JE](https://openairdocs.org/aircraft/N38JE): [Pham Loc G](https://openairdocs.org/faa-owner/PHAM%20LOC%20G), [Westminster, CA](https://openairdocs.org/faa-place/CA/Westminster), S/N 176
- [N413PJ](https://openairdocs.org/aircraft/N413PJ): [Linda K Howe](https://openairdocs.org/faa-owner/LINDA%20K%20HOWE), [Parma, OH](https://openairdocs.org/faa-place/OH/Parma), built 1974, S/N 148
- [N581DB](https://openairdocs.org/aircraft/N581DB): [Baldassarri Giuseppe](https://openairdocs.org/faa-owner/BALDASSARRI%20GIUSEPPE), [Carrollton, GA](https://openairdocs.org/faa-place/GA/Carrollton), built 1977, S/N 262
- [N75AS](https://openairdocs.org/aircraft/N75AS): [Coffield Alan](https://openairdocs.org/faa-owner/COFFIELD%20ALAN), [Canyon Lake, CA](https://openairdocs.org/faa-place/CA/Canyon%20Lake), built 1977, S/N 274
- [N9222Z](https://openairdocs.org/aircraft/N9222Z): [Mitchell John J](https://openairdocs.org/faa-owner/MITCHELL%20JOHN%20J), [Chevy Chase, MD](https://openairdocs.org/faa-place/MD/Chevy%20Chase), built 1974, S/N 163

## 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 LAX93LA326](https://openairdocs.org/ntsb/LAX93LA326), Aug 17, 1993: Pilatus B4-PC11AF (N205AS), Truckee, CA, substantial damage. Probable cause: FAILURE OF THE PILOT TO CONDUCT ADEQUATE PREFLIGHT CHECKS WHICH RESULTED IN THE GLIDER TAKING OFF WITH A FRAYED RELEASE HOOK CABLE, THE PILOT'S FAILURE TO MAINTAIN AIRSPEED, AND THE INADVERTENT STALL.
- [NTSB SEA92LA089](https://openairdocs.org/ntsb/SEA92LA089), May 3, 1992: Pilatus B-4 PC 11A (N279AS), Wenatchee, WA, destroyed, 1 fatal. Probable cause: FAILURE BY THE PILOT TO MAINTAIN AIRSPEED, RESULTING IN AIRCRAFT STALL.

## FAA accident and incident reports (1)

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 19930817029609A](https://openairdocs.org/incident/19930817029609A), Aug 17, 1993: Pilats B4PC11AF (N205AS), Truckee, CA, Substantial damage. Erractic flight seen of glider under aircraft tow. Pilot tried turn back lost control. Tow cable frayed and binding

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