AD 86-24-03 R1

86-24-03 R1 PIONEER PARACHUTE COMPANY: Amendment 39-5565. Applies to Model K-XX, K-XXII and 26 foot conical canopies with the following serial numbers: K-XX, P/N 5375-1

Color Patterns: Light Blue Upper Panels and Royal Blue Lower Panels or Yellow Upper Panels and Tan Lower Panels

598162 598927 598966 599000 599043 598318 598928 598967 599001 599048 598865 598929 598968 599004 599049 598866 598930 598969 599005 599050 598923 598937 598970 599006 599051 598924 598960 598971 599008 599087 598925 598961 598972 599009 599165 598926 598965 598995 599042 599166 Color Patterns: Light Blue Upper Panels and Tan Lower Panels or Yellow Upper Panels and Tan Lower Panels

598307 598345 598364 598526 598535 598317 598346 598366 598527 598536 598320 598347 598367 598528 598537 598340 598348 598521 598529 598545 598341 598349 598522 598530 598571 598342 598350 598523 598531 598572 598343 598351 598524 598532 598592 598344 598363 598525 598533 598863 Color Pattern: White Panels

598539 598550 598843 598998 599563 598540 598552 598844 598999 599613 598541 598553 598845 599002 599614 598542 598554 598858 599003 599640 598546 598555 598864 599007 599701 598547 598556 598962 599164 599702 598548 598579 598996 599561 599703 598549 598842 598997 599562 599711 K-XXII, P/N 5418-1

598557 598561 598565 598569 599076 598558 598562 598566 598650 599441 598559 598563 598567 598651 599638 598560 598564 598568 599044 599639 26 foot conical, P/N 2412-501 Color Pattern: All White 599093

To prevent use of affected canopies as FAA approved canopies, due to understrength material, remove or obliterate TSO-C23b marking prior to next use after receipt of this AD, unless already accomplished.

NOTES: (1) Pioneer Parachute Company Safety Notice, dated December 22, 1986, applies to this AD.

(2) Investigation is continuing, and this AD may be amended in light of the results of the investigation.

Upon request, an equivalent means of compliance with the requirements of this AD may be approved by the Manager, Boston Aircraft Certification Office, Aircraft Certification Division, Federal Aviation Administration, 12 New England Executive Park, Burlington, Massachusetts 01803, telephone (617) 273-7103.

This amendment becomes effective March 20, 1987, as to all persons except those persons to whom it was made immediately effective by Priority Letter AD No. 86-24-03, issued November 21, 1986, and Priority Letter AD No. 86-24-03R1, issued January 13, 1987, which contained this amendment.