Surviving Grumman S2F Tracker Information Repository
By David D Jackson

Focusing on Existing Grumman S2F / S-2 Tracker, TF-1 / C-1A Trader and WF-2 / E-1B Tracer Airframes

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  Grumman / Marsh Aviation S-2T / S-2FAT Turbo Trackers in service with Cal Fire (formerly CDF)

Cal Fire (formerly CDF) operates 23 of the upgraded S-2FAT Turbo Trackers rebuilt by Marsh Aviation in Mesa, AZ. These aircraft are the original Grumman airframes that have been gutted of all wiring, plumbing, and other internal parts and rebuilt as new aircraft with turbine engines.  With the new Turbines and the rock solid Grumman "Iron Works" airframe, these aircraft will last indefinitely and are now registered as Marsh built, rather than Grumman, due to the total rebuild.  The last 3 of the Marsh aircraft were delivered in 2005. Cal Fire aircraft are all registered to the USDA Forest Service.  It should be noted that Cal Fire also retains several of the old reciprocating engine Trackers which may also have the same Tanker numbers as the new S-2Ts.
 
The 23 Turbo Trackers are listed below in three different ways.  Photos of all these aircraft can be found at my USA Tracker Page.

Listed in numerical order by FAA Registration

FAA Registration Cal Fire Tanker NO. Grumman Serial Number Navy Bureau Number Assigned Location
N422DF 82 286C 152817 Columbia
N424DF 83 289C 152820 Columbia
N425DF 89 294C 152825 Grass Valley
N426DF 88 293C 152824 Grass Valley
N427DF 70 326C 153570 Ramona
N428DF 91 137C 149862 Ukiah
N431DF 78 109C 149265 Fresno
N432DF 71 112C 149268 Ramona
N433DF 86 130C 149855 Sonoma
N434DF 90 335C 153579 Ukiah
N435DF 72 329C 153573 Hemet-Ryan
N436DF 76 224C 152337 Porterville
N437DF 73 123C 149848 Hemet-Ryan
N438DF 85 173C 151640 Sonoma
N439DF 74 129C 149854 Paso Robles
N440DF 96 148C 149873 Rohnerville
N441DF 100 277C 152808 McClellan Spare
N442DF 94 259C 152826 Redding
N444DF 75 187C 151654 Paso Robles
N445DF 80 232C 152345 Hollister
N448DF 95 234C 152347 Redding
N449DF 81 307C 152838 Hollister - Destroyed in fatal accident fighting the Dog Rock Fire in Yosemite National Park on October 7, 2014.
N450DF 93 228C 152341 Chico

 

Grumman / Marsh Aviation S-2T / S-2FAT Turbo Trackers in service with Cal Fire (formerly CDF)
Listed in numerical order by Cal Fire Tanker Number

Cal Fire Tanker NO.

FAA Registration Grumman Serial Number Navy Bureau Number Assigned Location
70 N427DF 326C 153570 Ramona
71 N432DF 112C 149268 Ramona
72 N435DF 329C 153573 Hemet-Ryan
73 N437DF 123C 149848 Hemet-Ryan
74 N439DF 129C 149854 Paso Robles
75 N444DF 187C 151654 Paso Robles
76 N436DF 224C 152337 Porterville
78 N431DF 109C 149265 Fresno
80 N445DF 232C 152345 Hollister
81 N449DF 307C 152838  Hollister - Destroyed in fatal accident fighting the Dog Rock Fire in Yosemite National Park on October 7, 2014.
82 N422DF 286C 152817 Columbia
83 N424DF 289C 152820 Columbia
85 N438DF 173C 151640 Sonoma
86 N433DF 130C 149855 Sonoma
88 N426DF 293C 152824 Grass Valley
89 N425DF 294C 152825 Grass Valley
90 N434DF 335C 153579 Ukiah
91 N428DF 137C 149862 Ukiah
93 N450DF 228C 152341 Chico
94 N442DF 259C 152826 Redding
95 N448DF 234C 152347 Redding
96 N440DF 148C 149873 Rohnerville
100 N441DF 277C 152808 McClellan

 

Grumman / Marsh Aviation S-2T / S-2FAT Turbo Trackers in service with Cal Fire (formerly CDF)
Listed in numerical order by US Navy Bureau Number and Grumman Serial Number

Navy Bureau Number.

Grumman Serial Number FAA Registration Cal Fire Tanker NO.
149265 109C N431DF 78
149268 112C N432DF 71
149848 123C N437DF 73
149854 129C N439DF 74
149855 130C N433DF 86
149862 137C N428DF 91
149873 148C N440DF 96
151640 173C N438DF 85
151654 187C N444DF 75
152337 224C N436DF 76
152341 228C N450DF 93
152345 232C N445DF 80
152347 234C N448DF 95
152808 277C N441DF 100
152817 286C N422DF 82
152820 289C N424DF 83
152824 293C N426DF 88
152825 294C N425DF 89
152826 259C N442DF 94
152838 307C N449DF 81 - Destroyed in fatal accident fighting the Dog Rock Fire in Yosemite National Park on October 7, 2014.
153570 326C N427DF 70
153573 329C N435DF 72
153579 335C N434DF 90

 

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World Wide Master Tracker List   My Cal Fire Turbo Tracker Photos    My Marsh Aviation Photos   Trackers Gone West    Cal Fire S-2T List   Gitmo Bay Tracker   Links

My United Aeronautical Corporation Photos      Archived Tracker Updates   The Chess Players   Brazil Traders   Guest Photos

 
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