This section of the FEDERAL REGISTER

contains regulatory documents having general

applicability and legal effect, most of which

are keyed to and codified in the Code of

Federal Regulations, which is published under

50 titles pursuant to 44 U.S.C. 1510.

The Code of Federal Regulations is sold by

the Superintendent of Documents.

Rules and Regulations Federal Register

51549 

Vol. 82, No. 214 

Tuesday, November 7, 2017 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 21 

[Docket No. FAA–2017–0863] 

Airworthiness Criteria: Glider Design 

Criteria for Alexander Schleicher 

GmbH & Co. Models ASG 32 & ASG 32 

Mi Gliders 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Airworthiness design criteria. 

SUMMARY: These airworthiness design 

criteria for the Alexander Schleicher 

GmbH & Co. models ASG 32 & ASG 32 

Mi gliders. The administrator finds the 

design criteria, which make up the 

certification basis for the ASG 32 & ASG 

32 Mi gliders, acceptable. 

DATES: These airworthiness design 

criteria are effective December 7, 2017. 

FOR FURTHER INFORMATION CONTACT: Mr. 

Jim Rutherford, AIR–692, Federal 

Aviation Administration, Policy & 

Innovation Division, Small Airplane 

Standards Branch, 901 Locust, Room 

301, Kansas City, MO 64106, telephone 

(816) 329–4165, facsimile (816) 329– 

4090. 

SUPPLEMENTARY INFORMATION: 

Background 

On August 23, 2016, Alexander 

Schleicher GmbH & Co. submitted an 

application for type validation of the 

ASG 32 glider and ASG 32 Mi powered 

glider in accordance with the Technical 

Implementation Procedures for 

Airworthiness and Environmental 

Certification Between the FAA and the 

European Aviation Safety Agency 

(EASA), Revision 5, dated September 

15, 2015. Both models will be 

documented on a single type certificate. 

The model ASG 32 is a two-seat, midwing, glider constructed from carbon-, 

glass-, and synthetic-fiber reinforced 

plastic and features a 65.6 foot (20 

meter) wingspan with flaps, doublepanel Schempp-Hirth airbrakes on the 

upper wing surface, winglets, water 

ballast tanks in the wing, and optional 

tanks in the fuselage. The glider also 

features a retractable landing gear with 

hydraulic disc brakes and a 

conventional T-type tailplane. The 

model ASG 32 Mi adds a retractable 

engine and fixed pitch propeller 

mounted in the center fuselage behind 

the cockpit which allows the glider to 

be self-launching. Both glider versions 

have a maximum weight of 1,874 

pounds (850 kilograms). The EASA type 

certificated the ASG 32 and ASG 32 Mi 

gliders under Type Certificate Number 

(No.) EASA.A.599 on February 11, 2016. 

The associated EASA Type Certificate 

Data Sheet (TCDS) No. EASA.A.599 

defined the certification basis Alexander 

Schleicher GmbH & Co. submitted to the 

FAA for review and acceptance. 

The applicable requirements for glider 

certification in the United States can be 

found in FAA Advisory Circular (AC) 

21.17–2A, ‘‘Type Certification—FixedWing Gliders (Sailplanes), Including 

Powered Gliders,’’ dated February 10, 

1993. AC 21.17–2A has been the basis 

for certification of gliders and powered 

gliders in the United States for many 

years. AC 21.17–2A states that 

applicants may utilize the Joint Aviation 

Requirements (JAR)–22, ‘‘Sailplanes and 

Powered Sailplanes,’’ or another 

accepted airworthiness criteria, or a 

combination of both, as the accepted 

means for showing compliance for 

glider type certification. 

Type Certification Basis 

The certification basis is based on 

EASA Certification Specification (CS)– 

22, ‘‘Sailplanes and Powered 

Sailplanes’’, amendment 2, dated March 

05, 2009. In addition to CS–22 

requirements, the applicant will comply 

with other requirements from the 

certification basis referenced in EASA 

TCDS No. EASA.A.599, including 

special conditions and equivalent safety 

findings. 

Discussion of Comments 

Notice of proposed airworthiness 

design criteria for the Alexander 

Schleicher GmbH & Co. models ASG 32 

& ASG 32 Mi gliders was published in 

the Federal Register on September 6, 

2017 (82 FR 42049). No comments were 

received; therefore, these airworthiness 

design criteria are adopted as proposed. 

The Airworthiness Design Criteria 

Applicable Airworthiness Criteria 

under § 21.17(b). 

Based on the Special Class provisions 

of § 21.17(b), the following 

airworthiness requirements form the 

FAA Certification Basis for this design: 

1. 14 CFR part 21, effective February 

1, 1965, including amendments 21–1 

through 21–98 as applicable. 

2. EASA CS–22, amendment 2, dated 

March 05, 2009. 

3. EASA Special Condition No. SC– 

A.22.1.01, ‘‘Increase in maximum mass 

for sailplanes and powered sailplanes.’’ 

4. EASA Equivalent Safety Finding to 

CS–22.335(f)—Alternate method to 

calculate the Design Maximum Speed 

(VD) using the Organisation Scientifique 

et Technique Internationale du Vol a ́

Voile (OSTIV), Airworthiness Standards 

for Sailplanes, dated July 1997. 

5. EASA Equivalent Safety Finding to 

CS–22.585(a)—Alternate basis for lower 

towing loads and subsequent lower 

lauching hook attachment loads. 

6. ‘‘Standards for Structural 

Substantiation of Sailplane and 

Powered Sailplane Parts Consisting of 

Glass or Carbon Fiber Reinforced 

Plastics,’’ Luftfahrt-Bundesamt (LBA) 

document no. I4–FVK/91, issued July 

1991. 

7. ‘‘Guideline for the analysis of the 

electrical system for powered 

sailplanes,’’ LBA document no. I334– 

MS 92, issued September 15, 1992. 

8. Operations allowed: VFR-Day 

9. EASA Type Certificate Data Sheet 

No. EASA.A.599, Issue 02, dated March 

17, 2016. 

10. Date of application for FAA Type 

Certificate: August 23, 2016. 

Issued in Kansas City, Missouri on October 

31, 2017. 

Pat Mullen, 

Manager, Small Airplane Standards Branch, 

Aircraft Certification Service. 

[FR Doc. 2017–24102 Filed 11–6–17; 8:45 am] 

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