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532 

14 CFR Ch. I (1–1–19 Edition) 

Pt. 135, App. F 

The recorded values must meet the designated range, resolution and accuracy requirements during static and dynamic condi-

tions. Dynamic condition means the parameter is experiencing change at the maximum rate attainable, including the maximum 
rate of reversal. All data recorded must be correlated in time to within one second. 

Parameters Range 

Accuracy (sensor 

input) 

Seconds per 

sampling interval 

Resolution Remarks 

36. Landing Gear 

Position or 
Landing gear 
cockpit control 
selection.

Discrete .............

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

4 ........................

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

A suitable combination of 

discretes should be re-
corded. 

37. Drift Angle

15

As installed ........

As installed ........

4 ........................

0.1

° 

38. Wind Speed 

and Direction.

As installed ........

As installed ........

1 knot, and 1.0

°

39. Latitude and 

Longitude.

As installed ........

As installed ........

4 ........................

0.002

°

, or as in-

stalled.

Provided by the Primary 

Navigation System Ref-
erence. Where capacity 
permits latitude/longitude 
resolution should be 
0.0002

°

40. Stick shaker 

and pusher acti-
vation.

Discrete(s) ‘‘on’’ 

or ‘‘off’’.

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

1 ........................

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

A suitable combination of 

discretes to determine acti-
vation. 

41. Windshear 

Detection.

Discrete ‘‘warn-

ing’’ or ‘‘off’’.

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

1. 

42. Throttle/power 

lever position

16

.

Full Range .........

±

2% ...................

1 for each lever

2% of full range

For airplanes with non-me-

chanically linked cockpit 
engine controls. 

43. Additional En-

gine Param-
eters.

As installed ........

As installed ........

Each engine 

each second.

2% of full range

Where capacity permits, the 

preferred priority is indi-
cated vibration level, N2, 
EGT, Fuel Flow, Fuel Cut- 
off lever position and N3, 
unless engine manufac-
turer recommends other-
wise. 

44. Traffic Alert 

and Collision 
Avoidance Sys-
tem (TCAS).

Discretes ...........

As installed ........

1 ........................

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

A suitable combination of 

discretes should be re-
corded to determine the 
status of—Combined Con-
trol, Vertical Control, Up 
Advisory, and down advi-
sory. (ref. ARINC Char-
acteristic 735 Attachment 
6E, TCAS VERTICAL RA 
DATA OUTPUT WORD.) 

45. DME 1 and 2 

Distance.

0–200 NM; ........

As installed ........

4 ........................

1 NM .................

1 mile. 

46. Nav 1 and 2 

Selected Fre-
quency.

Full range ..........

As installed ........

4 ........................

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

Sufficient to determine se-

lected frequency. 

47. Selected baro-

metric setting.

Full Range .........

±

5% ...................

(1 per 64 sec.) ..

0.2% of full 

range. 

48. Selected alti-

tude.

Full Range .........

±

5% ...................

1 ........................

100 ft. 

49. Selected 

speed.

Full Range .........

±

5% ...................

1 ........................

1 knot. 

50. Selected 

Mach.

Full Range .........

±

5% ...................

1 ........................

.01. 

51. Selected 

vertical speed.

Full Range .........

±

5% ...................

1 ........................

100 ft./min. 

52. Selected 

heading.

Full Range .........

±

5% ...................

1 ........................

1

°

53. Selected flight 

path.

Full Range .........

±

5% ...................

1 ........................

1

°

54. Selected deci-

sion height.

Full Range .........

±

5% ...................

64 ......................

1 ft. 

55. EFIS display 

format.

Discrete(s) .........

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

4 ........................

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

Discretes should show the 

display system status (e.g., 
off, normal, fail, composite, 
sector, plan, nav aids, 
weather radar, range, 
copy. 

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