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GYRO A mechanical or electronic device which helps to stabilize the orientation of the aircraft by sensing rotation, and moving the appropriate servo to co...
0 n) ?' @ L2 m. M BGYRODYNE a rotorcraft whose rotors are normally engine-driven for takeoff, hovering, and landing, and for forward flight through part of its speed range, and w...
6 c, l t3 n6 d" \GYROPLANE A rotorcraft whose rotors are not engine-driven, except for initial starting, but are made to rotate by action of the air when the rotorcraft is movin... : Z: X% E! e) O/ b1 A
GYROSCOPE (GYRO) An inertial device for measuring change of attitude (pitch rate, roll rate, and yaw rate); gyroscopes usually consist of a gimbled, rotating mass; gyr...
5 g! ^, b4 Y# Z9 [/ g6 zH Helicopter (JAR-FCL) & t" E2 e( G, W3 [2 Z3 l
H24 Operating 24 hours
0 A' X( J% M3 ?7 oH2S ? & H" I9 G3 ~4 O9 q, ]) Z/ E" t' R
HACK An aircraft used for communications or recreational purposes.
. n+ K" u, i+ s0 V/ F. |. BHAPPY VALLEY ; RAF nickname for the Ruhr industrial area.
$ {; G# k: C5 oHB- Swiss nationality marks for aircraft registration 3 G: g/ r4 H+ c# c" x5 R9 I
HDG Heading 1 M' |+ H4 H" q
HDG SEL Heading select
! x4 U. A+ ^/ B6 G" VHEADER TANK This is a small fuel tank used in line between the main tank and the carburetor. The purpose of the header tank is to ensure that the fuel fed to the ...
0 ^8 C4 H9 X( s5 S7 |7 QHEADING Direction on a compass that aircraft is pointed, measured with respect to true north or magnetic north; Symbols: psi; Typical Units: rad, deg; + z% N/ e8 w G# Q$ y
HEADING ERROR A basic output from guidance to flight director, indicating the difference between actual heading and desired heading; Symbols: DELTA psi; Typical Uni...
3 ~' J8 N2 O7 \6 ?/ {: e: v# N; BHEADING HOLD This describes a type of Gyro which senses rotation, and maintains direction. This is accomplished by sensing the rate of motion, and the time of moti... 2 I( z$ d) H# F, k7 P( F
HEADING LOCK Slang term for Heading Hold Gyro. 0 r& k' B' A4 |
HEADING SELECT (HDG SEL) A basic guidance mode, providing lateral guidance to an operator selected heading (magnetic heading or true heading, again, operator selectable);
8 {, H. ]/ a5 O! PHEALTH Equipment status 8 g+ g# ^& b9 K" A( B
HEINRICH German transmitter introduced to jam GEE.
/ h" K/ C/ o$ b1 OHEL Helicopter
6 Y; c5 R# j( K; H& ^( q6 AHELICOPTER A rotorcraft that, for its horizontal motion, depends principally on its engine-driven rotors.
6 Q: M' u; v$ B q8 J# ?HELIPORT an area of land, water, or structure used or intended to be used for the landing and takeoff of helicopters
: A, _5 W& U; `- v$ }" G% {HELLE NACHTJAGD ILLUMINATED NIGHT HUNT; German night fighter system backed by searchlights
( ]: D4 u) ^6 C2 E* m9 X, X" LHEO High Earth Orbit + M. Q; m0 R* A, k6 W
HERTZ (HZ) Cycles per second, used to describe radio frequencies; usually with the prefix k for kilo (one thousand), M for mega (one million) or G for giga (one ... 2 o( r: c M/ u1 {' T8 a1 ]/ ] P) t
HF High Frequency radio equipment. + Y7 P! a6 I" G4 |$ f% z+ f( r
HF COM High Frequency Communication.
# I, P7 B, q5 b: `" {9 [' vHG High Frequency
$ k: ?7 |1 z! [ Q( ?; @+ i4 M1 [HIGE Hover In Ground Effect " Y% b+ J/ f7 E' J8 c, w
HIGH-PASS FILTER (HPF) A filter that allows frequencies above a cutoff frequency to pass while attenuating frequencies below the cutoff frequency;
1 N3 i" K9 [: j4 g/ MHIMMELBETT FOUR POSTER BED; German radar-backed night fighter system. % N. _" H7 q- w# Z+ k @
HIRF High intensity radiated field. 1 c7 @5 K& E- c! P. y
HIRL High Intensity Runway Lights
; U: ^, b! B. I8 _+ k' RHIS Horizontal Situation Indicator 3 Q% o) [7 g3 N. p' L
HIT (OR TO BE HIT) Sudden radio interference which causes your aircraft to fly in an erratic manner. Most often caused by someone turning on a radio that is on your freq... * J1 c: F+ ~) |1 M- a8 r# f! a
HITS Highway In The Sky (Flight/NAV display concept) 5 Z2 d8 L; e5 x
HJ Operating hours during daylight |
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