181 

Federal Aviation Administration, DOT 

Pt. 60, App. A 

a. Table A1A, General Requirements, Section 

2.d.2. (Ground Reaction Characteristics) 

b. Table A3A, Functions and Subjective Test-

ing Requirements, test 9.e. (Missed Ap-
proach—Bounced Landing) 

4. Where qualification is being sought to 

conduct bounced landing training tasks in 
accordance with this Directive, the FSTD 
Sponsor must conduct the required evalua-
tions and modifications as prescribed in this 
Directive and report compliance to the 
NSPM in accordance with § 60.23 using the 
NSP’s standardized FSTD Sponsor Notifica-
tion Form. At a minimum, this form must be 
accompanied with the following information: 

a. A description of any modifications to the 

FSTD (in accordance with § 60.23) necessary 
to meet the requirements of this Directive; 
and 

b. A confirmation statement that the modi-

fied FSTD has been subjectively evaluated 
by a qualified pilot as described in 
§ 60.16(a)(1)(iii). 

5. The NSPM will review each submission 

to determine if the requirements of this Di-
rective have been met and respond to the 
FSTD Sponsor as described in § 60.23(c). Addi-
tional NSPM conducted FSTD evaluations 
may be required before the modified FSTD is 
placed into service. This response, along 
with any noted restrictions, will serve as an 
interim qualification for bounced landing re-
covery training tasks until such time that a 
permanent change is made to the Statement 
of Qualification (SOQ) at the FSTD’s next 
scheduled evaluation. 

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TTACHMENT

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DDITIONAL

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IMULATOR

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UALIFICATION

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QUIREMENTS FOR

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REVENTION

 

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ECOVERY

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NGINE AND

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RAINING

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ASKS

 

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EQUIREMENTS

 

A. High Angle of Attack Model Evaluation 

(Table A1A, Section 2.m.) 

1. Applicability: This attachment applies 

to all simulators that are used to satisfy 
training requirements for stall maneuvers 
that are conducted at angles of attack be-
yond the activation of the stall warning sys-
tem. This attachment is not applicable for 
those FSTDs that are only qualified for ap-
proach to stall maneuvers where recovery is 
initiated at the first indication of the stall. 
The material in this section is intended to 
supplement the general requirements, objec-
tive testing requirements, and subjective 
testing requirements contained within Ta-
bles A1A, A2A, and A3A, respectively. 

2. General Requirements: The require-

ments for high angle of attack modeling are 
intended to evaluate the recognition cues 
and performance and handling qualities of a 
developing stall through the stall identifica-

tion angle-of-attack and recovery. Strict 
time-history-based evaluations against 
flight test data may not adequately validate 
the aerodynamic model in an unsteady and 
potentially unstable flight regime, such as 
stalled flight. As a result, the objective test-
ing requirements defined in Table A2A do 
not prescribe strict tolerances on any param-
eter at angles of attack beyond the stall 
identification angle of attack. In lieu of 
mandating such objective tolerances, a 
Statement of Compliance (SOC) will be re-
quired to define the source data and methods 
used to develop the stall aerodynamic model. 

3. Fidelity Requirements: The require-

ments defined for the evaluation of full stall 
training maneuvers are intended to provide 
the following levels of fidelity: 

a. Airplane type specific recognition cues of 

the first indication of the stall (such as the 
stall warning system or aerodynamic stall 
buffet); 

b. Airplane type specific recognition cues of 

an impending aerodynamic stall; and 

c. Recognition cues and handling qualities 

from the stall break through recovery that 
are sufficiently exemplar of the airplane 
being simulated to allow successful com-
pletion of the stall recovery training tasks. 

For the purposes of stall maneuver evalua-
tion, the term ‘‘exemplar’’ is defined as a 
level of fidelity that is type specific of the 
simulated airplane to the extent that the 
training objectives can be satisfactorily ac-
complished. 

4. Statement of Compliance (Aerodynamic 

Model): At a minimum, the following must 
be addressed in the SOC: 
a. Source Data and Modeling Methods: The 

SOC must identify the sources of data used 
to develop the aerodynamic model. These 
data sources may be from the airplane 
original equipment manufacturer (OEM), 
the original FSTD manufacturer/data pro-
vider, or other data provider acceptable to 
the FAA. Of particular interest is a map-
ping of test points in the form of alpha/ 
beta envelope plot for a minimum of flaps 
up and flaps down aircraft configurations. 
For the flight test data, a list of the types 
of maneuvers used to define the aero-
dynamic model for angle of attack ranges 
greater than the first indication of stall 
must be provided per flap setting. In cases 
where it is impractical to develop and vali-
date a stall model with flight-test data 
(

e.g., 

due to safety concerns involving the 

collection of flight test data past a certain 
angle of attack), the data provider is ex-
pected to make a reasonable attempt to de-
velop a stall model through the required 
angle of attack range using analytical 
methods and empirical data (

e.g., 

wind-tun-

nel data); 

b. Validity Range: The FSTD sponsor must 

declare the range of angle of attack and 

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