Improved 4-place light observation and utiliy helicopter for USMC, 79 built. 
List of Operators of HO5S-1 |
| Years | Model | Org | |
|---|---|---|---|
| 1952/?? | S-52 H-18 HO5S |  US Marine Corps |
Global Distribution of HO5S-1 |
|
Construction Numbers |
| C/N | Year | History | |
|---|---|---|---|
| 52-009 | 1952 | 125516,CF-GWE,N6994C,N9433H | |
| 52-010 | 1952 | 125517,N54059,N8002E | |
| 52-011 | 1952 | 125518 | |
| 52-012 | 1952 | 125519,N8003E | |
| 52-013 | 1952 | 125520 | |
| 52-014 | 1952 | 125521,G-BVBD,N4643S | |
| 52-015 | 1952 | 125522 | |
| 52-016 | 1952 | 125523 | |
| 52-017 | 1952 | 125524 | |
| 52-018 w/o 1956 | 1952 | 125525 | |
| 52-019 | 1952 | 125526,N4645S | |
| 52-020 | 1952 | 125527 | |
| 52-021 | 1952 | 126696 | |
| 52-022 | 1952 | 126697 | |
| 52-023 | 1952 | 126698 | |
| 52-024 w/o 1953 | 1952 | 126699 | |
| 52-025 w/o 1953 | 1952 | 126700 | |
| 52-026 | 1952 | 126701 | |
| 52-027 | 1952 | 126702 | |
| 52-028 | 1952 | 126703 | |
| 52-029 | 1952 | 126704 | |
| 52-030 | 1952 | 126705 | |
| 52-031 w/o 1953 | 1952 | 128601 | |
| 52-032 | 1952 | 128602,CF-GWF,N6995C,N9432H | |
| 52-033 | 1952 | 128603,N54061 | |
| 52-034 | 1952 | 128604 | |
| 52-035 | 1952 | 128605,HP-456,N74818 | |
| 52-036 | 1952 | 128606,N74816 | |
| 52-037 | 1952 | 128607 | |
| 52-038 | 1952 | 128608 | |
| 52-039 | 1952 | 128609 | |
| 52-040 | 1952 | 128610 | |
| 52-041 | 1952 | 128611,N74840 | |
| 52-042 | 1952 | 128612 | |
| 52-043 | 1952 | 128613 | |
| 52-044 | 1952 | 128614 | |
| 52-045 | 1952 | 128615 | |
| 52-046 | 1952 | 128616,G-BVBO,N9329R | |
| 52-047 w/o 1952 | 1952 | 128617 | |
| 52-048 | 1952 | 128618 | |
| 52-049 | 1952 | 128619 | |
| 52-050 w/o 1955 | 1952 | 128620 | |
| 52-059 | 1952 | 130101 | |
| 52-060 | 1952 | 130102 | |
| 52-061 | 1952 | 130103 | |
| 52-062 | 1952 | 130104,N54062 | |
| 52-063 | 1952 | 130105,N54060 | |
| 52-064 | 1952 | 130106 | |
| 52-065 | 1952 | 130107,N4652S | |
| 52-066 | 1952 | 130108,CF-GWA,HP-477,N9425H | |
| 52-067 w/o 1954 | 1952 | 130109 | |
| 52-068 | 1952 | 130110,N54065 | |
| 52-069 | 1952 | 130111 | |
| 52-070 w/o 1953 | 1952 | 130112 | |
| 52-071 | 1952 | 130113,N9018Q,N9683C | |
| 52-072 | 1952 | 130114,N4654S | |
| 52-073 | 1952 | 130115,N4653S | |
| 52-074 | 1952 | 130116 | |
| 52-075 | 1952 | 130117 | |
| 52-076 | 1952 | 130118,N54063 | |
| 52-077 | 1952 | 130119 | |
| 52-078 | 1952 | 130120 | |
| 52-079 | 1952 | 130121 | |
| 52-080 | 1952 | 130122,N74817 | |
| 52-081 | 1952 | 130123 | |
| 52-082 | 1952 | 130124 | |
| 52-083 | 1952 | 130125 | |
| 52-084 | 1952 | 130126 | |
| 52-085 | 1952 | 130127,CF-GWB,N9426H | |
| 52-086 | 1952 | 130128,HP-449,N2038V,N4651S | |
| 52-087 | 1952 | 130129 | |
| 52-088 | 1953 | 130130 | |
| 52-089 | 1953 | 130131 | |
| 52-090 w/o 1953 | 1953 | 130132 | |
| 52-091 | 1953 | 130133 | |
| 52-092 w/o 1954 | 1953 | 130134 | |
| 52-093 | 1953 | 130135 | |
| 52-094 | 1953 | 130136 | |
| 52-095 | 1953 | 130137 |
