Type Record · As of May 3, 2026
PILATUS B4-PC11
Glider · NONE NONE
Registered
20
Year Range
1972–1977
NTSB Events
2
Airworthiness Directives
2
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered PILATUS B4-PC11 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- FL 20.0% 4
- NY 10.0% 2
- VA 10.0% 2
- CA 5.0% 1
- WI 5.0% 1
- NJ 5.0% 1
- DE 5.0% 1
- AK 5.0% 1
- UT 5.0% 1
- TX 5.0% 1
+5 more states
By Decade of Manufacture
- 1970s 90.0% 18
- Unknown 10.0% 2
02 / NTSB Records
Events involving PILATUS B4-PC11 aircraft
2 event(s) on file. Showing the most recent 2.
-
May 20, 2021
N65317Sterling, Massachusetts Minor
NTSB Docket → -
Oct 13, 1981
N484BTROY, Michigan
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to PILATUS B4-PC11
2 directive(s) on file. Showing the most recent 2.
-
Apr 21, 2005
Airworthiness Directives; Pilatus Aircraft Limited Models B4-PC11, B4-PC11A, and B4-PC11AF Sailplanes
The FAA adopts a new airworthiness directive (AD) for all Pilatus Aircraft Limited (Pilatus) Models B4-PC11, B4-PC11A, and B4- PC11AF sailplanes. This AD requires you to repetitively inspect the control-column support for cracks and, if any cracks are found, replace the control-column support with a new support. This…
-
Feb 11, 2005
Airworthiness Directives; Pilatus Aircraft Limited Models B4- PC11, B4-PC11A, and B4-PC11AF Sailplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Pilatus Aircraft Limited (Pilatus) Models B4-PC11, B4-PC11A, and B4-PC11AF sailplanes. This proposed AD would require you to repetitively inspect the control-column support for cracks and, if any cracks are found, replace the control-column support w…
04 / Type Certificate Data Sheets
FAA TCDS for PILATUS B4-PC11
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- G25EU Historical Rev 3 · 07/07/2021
Pilatus Aircraft Limited
Models: B4-PC11, B4-PC11AF, B4-PC11A
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for PILATUS B4-PC11
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 20 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N10874 | CA | 1972 | · | Look up ↗ |
| N201AS | WI | 1977 | · | Look up ↗ |
| N21TU | NJ | 1974 | · | Look up ↗ |
| N484B | DE | 1974 | ● | Look up ↗ |
| N4BB | FL | — | · | Look up ↗ |
| N62516 | FL | 1973 | · | Look up ↗ |
| N64775 | AK | 1977 | · | Look up ↗ |
| N65317 | NY | 1976 | ● | Look up ↗ |
| N65332 | UT | 1974 | · | Look up ↗ |
| N65394 | FL | 1976 | · | Look up ↗ |
| N69AZ | TX | 1974 | · | Look up ↗ |
| N76PS | NH | 1974 | · | Look up ↗ |
| N774PS | VA | 1976 | · | Look up ↗ |
| N7CK | NM | 1976 | · | Look up ↗ |
| N81YV | NY | — | · | Look up ↗ |
| N855GH | OH | 1974 | · | Look up ↗ |
| N89AS | VA | 1976 | · | Look up ↗ |
| N8DK | FL | 1976 | · | Look up ↗ |
| N93458 | PA | 1973 | · | Look up ↗ |
| N99990 | NC | 1974 | · | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →