Military


Rotary Aircraft Designation Crosswalk

HC Helicopter, Cargo
HJ Helicopter, Utility
HN Helicopter, Training
HO Helicopter, Observation
HR Helicopter, Transport
HS Helicopter, Anti-Submarine
HT Helicopter, Training
HU Helicopter, Utility
R Rotary
H Helicopter
HC Helicopter, Cargo
HO Helicopter, Observation
HU Helicopter, Utility
NavyUS Army AFUS Army / USAF
NavyUSAAFDOD
DSNQH-50
HCH
HJD
HJH
HJPH-25
HJS
HNSR-4H-4
HO2S R-5H-5
HO3S R-5H-5
HO4SH-19
HO5SH-18
HOEH-32
HOKH-43
HOSR-6
HR2SH-37
HR3S
HRBH-46
HRH
HRPH-21
HRSH-19
HSL
HSS-1H-34
HSS-2H-3
HTEH-23
HTKH-22
HTLR-13H-13
HUH-1
HU2KH-2
HU2SH-52
HUKH-43
HULH-13
HUMH-30
HUP-2H-25
HUSH-34
NavyUSAAFDOD
R-1
R-2
R-3
HNSR-4H-4
HO2SR-5R-5
HO3SR-5R-5
HOSR-6
R-7
R-8H-8
R-9H-9
R-10H-10
R-11H-11
R-12H-12
HTLR-13H-13
R-14
R-15H-15
R-16H-16
Army / USAFDODServices
HC-1ACH-46CArmy
HC-1BCH-47AArmy
HO-1
HO-2HZ-1
HO-2H-42 / H-55
HO-3
HO-4OH-4Army
HO-5OH-5Army
HO-6OH-6Army
HU-1UH-1Army
HXCH-46BAir Force
H-2CH-46BAir Force
H-13OH-13Army
H-19H-19Air Force/Army
H-21CH-21Air Force/Army
H-23OH-23Army
H-34CH-34 Army
H-37CH-37 Army
H-41UH-41Army
H-43HH-43Air Force
H-40UH-1Air Force

"Missing" Helicopters

#ContractorNotes
H-27 Piasecki initially the designation for the second YH-16 w/T-38 turbine engines, redesignated YH-16A prior to the first flight in 1955.
H-28 Hughes Designation assigned to the improved H-17 Model M-190-4A. None ever built.
H-29 McDonnell Designation assigned to the 2-seat version of the H-20. The project was cancelled.
H-33 Bell Original Army designation given to the XV-3 Convertiplane.
H-35 McDonnell Original Army designation given to XV-1. Reserved for Navy use and then cancelled. Designation never utilized.
H-36 Bell? Reserved for Navy use and then cancelled. Designation later assigned to a classified project, LONG EARS, a/c# 59-5926.
H-38 Reserved for Navy use and then cancelled. Designation later assigned to a classified project, SHORT TAIL.
H-40 Bell The production models designated UH-1.
H-42 Hughes Model 269, the YHO-2HU later the TH-55A Osage for the Army.
H-44 Reserved for Navy use and then cancelled. Designation later assigned to a classified project, BIG TOM.
H-45 secret Air Force FTD (Foreign Technology Division) project STEP CHILD.
H-49 Boeing-Vertol briefly allocated in 1962 to a USAF Model 107 helicopter, then changed to XCH-46B.
H-69 skipped and will not be assigned.



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