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256 

14 CFR Ch. I (1–1–18 Edition) 

Pt. 121, App. B 

Contents Quantity 

Bronchodilator, inhaled (metered dose inhaler or 

equivalent).

Dextrose, 50%/50 cc injectable, (single dose 

ampule or equivalent).

Epinephrine 1:1000, 1 cc, injectable, (single 

dose ampule or equivalent).

Epinephrine 1:10,000, 2 cc, injectable, (single 

dose ampule or equivalent).

Lidocaine, 5 cc, 20 mg/ml, injectable (single 

dose ampule or equivalent).

Nitroglycerin tablets, 0.4 mg ................................

10 

Basic instructions for use of the drugs in the kit

3. If all of the above-listed items do not fit 

into one container, more than one container 
may be used. 

A

UTOMATED

E

XTERNAL

D

EFIBRILLATORS

 

At least one approved automated external 

defibrillator, legally marketed in the United 

States in accordance with Food and Drug 
Administration requirements, that must: 

1. Be stored in the passenger cabin. 
2. After April 30, 2005: 
(a) Have a power source that meets FAA 

Technical Standard Order requirements for 
power sources for electronic devices used in 
aviation as approved by the Administrator; 
or 

(b) Have a power source that was manufac-

tured before July 30, 2004, and been found by 
the FAA to be equivalent to a power source 
that meets the Technical Standard Order re-
quirements of paragraph (a) of this section. 

3. Be maintained in accordance with the 

manufacturer’s specifications. 

[Doc. No. FAA–2000–7119, 66 FR 19044, Apr. 12, 
2001, as amended by Amdt. 121–280, 69 FR 
19762, Apr. 14, 2004; Amdt. 121–309, 70 FR 15196, 
Mar. 24, 2005] 

A

PPENDIX

TO

P

ART

121—A

IRPLANE

F

LIGHT

R

ECORDER

S

PECIFICATION

 

Parameters Range 

Accuracy sensor input to 

DFDR readout 

Sampling inter-

val (per second) 

Resolution

4

 

readout 

Time (GMT or Frame 

Counter) (range 0 to 4095, 
sampled 1 per frame).

24 Hrs .............................

±0.125% Per Hour ................ 0.25 (1 per 4 

seconds).

1 sec. 

Altitude ....................................

¥1,000 ft to max certifi-

cated altitude of air-
craft.

±100 to ±700 ft (See Table 1, 

TSO-C51a).

1 ........................

5′ to 35′

1

 

Airspeed .................................

50 KIAS to V

so

, and V

so

 

to 1.2V

D

.

±5%, ±3% .............................. 1 ........................ 1 kt. 

Heading ..................................

360° ................................ ±2° ......................................... 1 ........................ 0.5° 

Normal Acceleration (Vertical) 

¥3g to + 6g ...................

±1% of max range excluding 

datum error of ±5%.

8 ........................

0.01g. 

Pitch Attitude ..........................

±75° ................................ ±2° ......................................... 1 ........................ 0.5° 

Roll Attitude ............................

±180° .............................. ±2° ......................................... 1 ........................ 0.5° 

Radio Transmitter Keying .......

On-Off (Discrete) ............

±2° ......................................... ±2% ..................

Thrust/Power on Each Engine  Full Range Forward ........

±2° ......................................... 1 (per engine) ... 0.2%

2

 

Trailing Edge Flap or Cockpit 

Control Selection.

Full Range or Each Dis-

crete Position.

±3° or as Pilot’s Indicator ...... 0.5 ..................... 0.5%

2

 

Leading Edge Flap or Cockpit 

Control Selection.

Full Range or Each Dis-

crete Position.

±3° or as Pilot’s Indicator ...... 0.5 ..................... 0.5%

2

 

Thrust Reverser Position ........

Stowed, In Transit, and 

Reverse (Discrete).

................................................

1 (per 4 sec-

onds per en-
gine).

Ground Spoiler Position/ 

Speed Brake Selection.

Full Range or Each Dis-

crete Position.

±2% Unless Higher Accuracy 

Uniquely Required.

1 ........................

0.2%

2

Marker Beacon Passage ........

Discrete ..........................

................................................

1 ........................

Autopilot Engagement ............

Discrete ..........................

................................................

1 ........................

Longitudinal Acceleration .......

±1g .................................. ±1.5% max range excluding 

datum error of ±5%.

4 ........................

0.01g. 

Pilot Input and/or Surface Po-

sition—Primary Controls 
(Pitch, Roll, Yaw)

3

.

Full Range ......................

±2° Unless Higher Accuracy 

Uniquely Required.

1 ........................

0.2%

2

Lateral Acceleration ................

±1g .................................. ±1.5% max range excluding 

datum error of ±5%.

4 ........................

0.01g. 

Pitch Trim Position .................

Full Range ......................

±3% Unless Higher Accuracy 

Uniquely Required.

1 ........................

0.3%

2

Glideslope Deviation ..............

±400 Microamps ............. ±3% ....................................... 1 ........................ 0.3%

2

Localizer Deviation .................

±400 Microamps ............. ±3% ....................................... 1 ........................ 0.3%

2

AFCS Mode and Engagement 

Status.

Discrete ..........................

................................................

1 ........................

Radio Altitude .........................

¥20 ft to 2,500 ft ...........

±2 Ft or ±3% Whichever is 

Greater Below 500 Ft and 
±5% Above 500 Ft.

1 ........................

1 ft + 5%

2

 

above 500′. 

Master Warning ......................

Discrete ..........................

................................................

1 ........................

Main Gear Squat Switch Sta-

tus.

Discrete ..........................

................................................

1 ........................

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