Project High Wire

See also Project High Wire upgrades on F-100s
F-100D Super Sabre, ser. no. 56-3417, High Wire Modification F-100D-86-NH, restored and on display at Wings Over the Rockies Air and Space Museum, Denver, Colorado

Project High Wire was an United States Air Force modernization programme for selected North American Aviation F-100Cs, Ds and Fs Super Sabre that were still in active inventory. It consisted of two detailed modification groups: significant electrical rewiring upgrade, and heavy aircraft maintenance and IRANi upgrade. These upgrades began in 1962.[1]

Rewiring upgrade operation consisted of replacing old wiring and harnesses with improved maintainable designs. Heavy maintenance and IRAN included new kits, modifications, standardized configurations, repairs, replacements and complete refurbishment.

F-100Cs

Source: USAF F-100C Super Sabre - Flight Manual - Technical Order Upgrades T.O. 1F-100C(I)-1S-65 2 February 1971

A modification program of changes in maintenance procedures, major wiring harnesses, IRANi upgrade, and additional avionics.

1968 Basic Upgrades

1970 High Wire Upgrades

A modernization programme of 3 simultaneous operations: an electrical rewiring operation, and a heavy maintenance improvements and IRAN operations. Also including design changes, safety instructions, aircraft characteristics, normal and emergency operations, and overall aircraft and documentation standardization.

List of changes and rescinded(R)

1970 High Wire Supplementals

1971 High Wire Supplementals

Block Numbers for C-model High Wire Mods

Project High Wire modifications were extensive and dictated a change in the block number assignment, i.e.: F-100C-10-NH to F-100C-11-NH

Block No.s.......S/N Range......................Block number change
F-100C-1-NA .... AF 53-1709 to –1778 ... F-100C-2-NA
and 54-1740 to –1769
F-100C-6-NA .... AF 54-1770 to –1814
F-100C-11-NH ... AF 55-2709 to –2733
F-100C-16-NA ... AF 54-1615 to –1859
F-100C-21-NA ... AF 54-1860 to –1969
F-100C-26-NA ... AF 54-1970 to –2120

Note: NA – Los Angeles, CA and NH – Columbus, OH

F-100Ds and Fs

Source: USAF F-100D,F Super Sabre - Flight Manual - Technical Order: 1F-100D(I)-1S-120 dated 12 January 1970
USAF F-100D(I) Flight Manual, T.O. 1F-100D(I)-1S-120

This project required all new manuals (TOs)a and incremented (i.e. -85 to -86) block numbers. All later production models, especially the F models included earlier High Wire mods. New manuals included colored illustrations. All manuals will have the Roman numeral (I) added after the aircraft number (i.e. T.O. 1F-100D(I)-1S-120, 12 January 1970

Approximately 700 D-models had been modified with Project High Wire.[2]

Base Project High Wire

This upgrade is to provide aircrew information on aircraft for installation of Data recorder (DR) equipment. DR is to record basic information on flight conditions i.e., velocity, G-force, and altitude. This data will be used to study the results of various mission requirements and determine the effects on the fatigue life of the aircraft structures:

Other 1970 changes

Includes previous T.O. -1S-nnn supplemental upgrades, as nnn listed below:

Initial High Wire Upgrades

31 August 1967 - 15 December 1969

A modernization programme of 2 simultaneous operations: an electrical rewiring operation, and a heavy maintenance improvements and IRAN operations. Also including design changes, safety instructions, aircraft characteristics, normal and emergency operations, and overall aircraft and documentation standardization. List of changes and rescinded(R):

1970 High Wire Supplementals

1971 High Wire Supplementals

Block Numbers for D-model High Wire Mods

D-model High Wire modifications were also performed on A-models and previously upgraded C-models. Most D-model modifications mandated the change in the block number of the aircraft; thus increasing the block number by one unit value, i.e.: F-100D-10-NH to F-100D-11-NH.

Serial Number Information:

Block No.s......S/N Range......Block number change
YF-100A-NA....52-5754/55
F-100A-01-NA 52-5756 ~ 5765
F-100A-05-NA 52-5766 ~ 5778
F-100A-10-NA 53-1529 ~ 1568
F-100A-15-NA 53-1569 ~ 1608
F-100A-20-NA 53-1609 ~ 1708
F-100C-01-NA 53-1709 ~ 1778..F-100C-02-NA (See F-100C High Wire Descriptions)
F-100C-05-NA 54-1740 ~ 1769..F-100C-06-NA
F-100C-10-NA 54-1770 ~ 1814..F-100C-11-NA
F-100C-15-NA 54-1815 ~ 1859..F-100C-16-NA
F-100C-20-NA 54-1860 ~ 1970..F-100C-21-NA
F-100C-25-NA 54-1971 ~ 2120..F-100C-26-NA
F-100C-10-NH 55-2709 ~ 2733..F-100C-11-NA
F-100D-01-NA 54-2121 ~ 2132
F-100D-05-NA 54-2133 ~ 2151
F-100D-10-NA 54-2152 ~ 2221
F-100D-15-NA 54-2222 ~ 2303
F-100D-20-NA 55-3501 ~ 3601
F-100D-25-NA 55-3602 ~ 3701..F-100D-26-NA
F-100D-30-NA 55-3702 ~ 3814..F-100D-31-NA
F-100D-35-NH 55-2734 ~ 2743
F-100D-40-NH 55-2744 ~ 2783
F-100D-45-NH 55-2784 ~ 2863..F-100D-46-NA
F-100D-50-NH 55-2864 ~ 2908..F-100D-51-NA
F-100D-55-NH 55-2909 ~ 2954..F-100D-56-NA
F-100D-60-NA 56-2903 ~ 2963..F-100D-61-NA
F-100D-65-NA 56-2963 ~ 3022..F-100D-66-NA
F-100D-70-NA 56-3023 ~ 3142..F-100D-71-NA
F-100D-75-NA 56-3143 ~ 3198..F-100D-76-NA
F-100D-80-NH 56-3351 ~ 3378..F-100D-81-NA
F-100D-85-NH 56-3379 ~ 3463..F-100D-86-NA
F-100D-90-NA 56-3199 ~ 3346..F-100D-91-NA
F-100F-01-NA 56-3725 ~ 3739..F-100F-02
F-100F-05-NA 56-3740 ~ 3769..F-100F-06
F-100F-10-NA 56-3770 ~ 3919..F-100F-11
F-100F-15-NA 56-3920 ~ 4019..F-100F-16..(~4016)
____________58-6975 ~ 6983
____________59-2558 ~ 2563
F-100F-20-NA 58-1205 ~ 1233..F-100F-21

Total Production 2,294


Note: NA - Los Angeles, CA and NH - Columbus, OH

See also

Related ECMs

Footnotes

i. IRAN - Inspection and repair as necessary
a. TO - Technical Orders
b. VGH - Velocity-Gravity-Height[4]
c. QRC - QuickReaction Capability[5]
d.

References

  1. ↑ Baughers F-100F History
  2. ↑ Baughers F-100D History and Project High Wire
  3. ↑ Military Equipment List: AN/ALQ-87 Countermeasures set, 1-8 GHz, FM, Barrage jammer, General Electric.
  4. ↑ A/A24U-10 Recorder AIAA.ORG Velocity-Gravity-Height Measuring
  5. ↑ AIAA.ORG: Quick Reaction Capability

External links

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