The Type 171 Mk.4 was built with 4 doors, featured a 520shp Alvis Leonides 71 engine, a higher main undercarriage and the pilot sat on the right hand side of the cockpit. Most Sycamore production units were based on the Mk.4. 
Specifications | |
List of Operators of Bristol Sycamore 4 | |
| From | Organisation with model Sycamore 4 | ||
| 1951 |
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| 1953 |
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| 1979 |
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| 2007 |
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| 2015 |
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| Construction Numbers on database of Sycamore 4 | ||||||
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Construction Numbers | Help Us | |
| C/N | Year | History | ||
| Filter | ||||
| 13070 | 1952 |  G-AMWI,VH-BAW,XR592 | ||
| 13071 | 1953 |  XD653 | ||
13144  | 1952 | XE306 | ||
| 13145 | 1952 | XE307 | ||
 | 13146 | 1953 | XD654 | |
| 13147 | 1953 | XD655 | ||
| 13148 | 1954 | XD656 | ||
| 13149 | 1953 | XE308 | ||
| 13150 | 1953 | XE309 | ||
| 13151 | 1953 | XE310 | ||
| 13152 | 1953 | XE311 | |
| 13153 | 1953 | XE312 | ||
| 13194 | 1953 | G-AMWK,XE313 | ||
| 13195 | 1952 | G-AMWL,XE314 | ||
| 13196 | 1952 | G-AMWM,XE315 | ||
| 13197 | 1952 | G-AMWN,XE316 | ||
| 13198 | 1952 | G-AMWO,XE317 | |
| 13202 | A91-2,G-AMWT | |||
| 13203 | 1955 | XG506 | ||
| 13220 | 1954 | XE318 | ||
| 13221 | 1954 | XE319 | ||
| 13222 | 1954 | XE320 | ||
| 13223 | 1954 | XE321 | ||
| 13224 | 1954 | XE322 | ||
| 13225 | 1954 | XF265 | ||
| 13226 | 1954 | XF266 | ||
| 13227 | 1954 | XF267 | ||
| 13228 | 1955 | XF268 | ||
| 13229 | 1955 | XF269 | ||
| 13240 | 1955 | XJ363 | ||
| 13242 | 1956 | XJ380 | ||
| 13243 | 1956 | XJ381 | ||
| 13245 | 1954 | XG500 | ||
| 13246 | 1955 | XG501 | ||
| 13247 | 1955 | XG502 | ||
| 13248 | 1955 | XJ361 | ||
| 13264 | 1955 | XG503 | ||
13265  | 1955 | XG504 | ||
| 13266 | 1955 | XJ362 | ||
| 13267 | 1955 | XG505 | ||
| 13268 | 1955 | XG510 | ||
| 13269 | 1955 | XG509 | ||
| 13271 | 1955 | XG511 | ||
| 13272 | 1955 | XG512 | ||
| 13273 | 1955 | XG513 | ||
| 13368 | 1955 | XG514 | ||
| 13369 | 1955 | XG515 | ||
| 13370 | 1955 | XG516 | ||
| 13371 | 1955 | XG517 | ||
| 13372 | 1955 | XG518 | |
| 13373 | 1955 | XG519 | ||
| 13374 | 1955 | XG520 | ||
| 13375 | 1955 | XG521 | ||
| 13376 | 1955 | XG522 | ||
| 13377 | 1955 | XG523 | |
| 13378 | 1956 | XG538 | ||
| 13379 | 1956 | XG539 | ||
| 13380 | 1955 | XG540 | ||
| 13381 | 1956 | XG541 | ||
| 13382 | 1956 | XG542 | ||
| 13383 | 1956 | XG543 | ||
| 13384 | 1956 | XG544 | ||
| 13385 | 1956 | XG545 | ||
| 13386 | 1956 | XG546 | ||
| 13387 | 1956 | G-HAPR,XG547 | |
| 13388 | 1956 | XG548 | ||
| 13389 | 1956 | XG549 | ||
| 13390 | 1956 | XJ383 | ||
| 13402 | 1956 | XG507 | ||
| 13404 | 1956 | XJ895 | ||
| 13405 | 1956 | XJ896 | ||
| 13406 | 1956 | XJ897 | ||
| 13408 | 1956 | XJ898 | ||
| 13409 | 1956 | XJ915 | ||
| 13410 | 1956 | XJ916 | ||
| 13412 | 1956 | XJ917 | ||
| 13413 | 1956 | XJ918 | |
| 13414 | 1957 | XJ919 | ||
| 13415 | 1957 | XL820 | ||
| 13417 | 1957 | XL821 | ||
| 13438 | 1957 | XL822 | |
| 13441 | 1957 | XL823 | ||
| 13444 | 1957 | 8021M,XL824 | |
| 13447 | 1957 | XL825 | |
| 13460 | 1957 | XL826 | ||
| 13468 | 1957 | XL827 | ||
| 13471 | 1957 | XL828 | ||
| 13474 | 1957 | XL829 | |
| 13504 | 1959 | XN449 | ||
| 13505 | 1958 | XN450 | ||