Rocky Bay Airport

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Location

Latitude: 
 47-21-18.8000N (47.355222)
Longitude: 
 122-47-25.0000W (-122.790278)
Elevation: 
 80.0 feet MSL (24 m MSL)
Magnetic Variation: 
 15 E (as of December 2025 from WMM2020 model)
Time Zone: 
 UTC -8.0 (Standard Time)
UTC -7.0 (Daylight Savings Time)
From City: 
 01 N.M. SE of Vaughn, Washington
Found On: 
 Seattle Chart
FAA Region: 
 ANM

Contacts

Manager: 
Privately owned: 
JOHN E. MERCER
18906 107TH ST CT KPN
GIG HARBOR, WA 98329
253-884-9056		 MERCER FAMILY
18906 107TH ST CT KPN
GIG HARBOR, WA 98329
253-884-9056

Operations

Airport Status: 
 Operational
Facility Use: 
 Private
Type: 
 Airport
Activation Date: 
 11/2007
Control tower: 
 No
Attendance (Months/Days/Hours): 
 Months/Days/Hours
Unattended
Boundary ARTCC: 
 ZSE (Seattle)
Responsible ARTCC: 
 ZSE (Seattle)
Traffic Pattern Altitude (MSL): 
 1080 feet (329 m)

Based Aircraft

Annual Operations (as of )

Communications

       

    Fixed Based Operators (FBOs) & Fuel

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    Flight Service Stations

    Primary Alternate
    FSS on Field: 
    FSS Name (ID):  Seattle(SEA)
    Frequency: 
    Toll Free Phone:  1-800-WX-BRIEF

    Instrument Procedures / Charts

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    Navigation Aids (Navaids) near WT77

    Navigational Aid (NAVAID) distances from the airport are listed in Nautical Miles (NM).

    Nearby Airports with Fuel

    Dist (NM) Name (Airport IDs) True Hdg Mag Hdg Fuel Grade
    8.2 Bremerton Ntl Airport
    (PWT KPWT PWT)    		 7 352 100LL, Jet A
    10.1 Tacoma Narrows Airport
    (TIW KTIW TIW)    		 121 106 100LL, Jet A
    16.3 Sanderson Field Airport
    (SHN KSHN SHN)    		 243 228 100LL, Jet A
    20.2 Seattle-Tacoma International Airport
    (SEA KSEA SEA)    		 73 58 Jet A, Jet A-1
    22.4 Boeing Field/King County International Airport
    (BFI KBFI BFI)    		 61 46 100LL, Jet A
    23.0 Auburn Municipal Airport
    (S50)    		 93 78 100LL, Jet A
    23.6 Olympia Regional Airport
    (OLM KOLM OLM)    		 191 176 100LL, Jet A
    24.6 Kenmore Air Seaplane Base
    (LKE W55)    		 47 32 100LL, Jet A
    24.7 Renton Municipal Airport
    (RNT KRNT RNT)    		 70 55 100LL, Jet A, Jet A+
    25.4 Pierce County/Thun Field Airport
    (KPLU PLU)    		 126 111 100LL
    27.9 Norman Grier Field Airport
    (S36)    		 91 76 100LL
    39.0 Seattle Paine Field International Airport
    (PAE KPAE PAE)    		 31 16 100LL, Jet A
    41.4 Chehalis-Centralia Airport
    (CLS KCLS CLS)    		 191 176 100LL, Jet A
    41.9 Jefferson County International Airport
    (TWD 0S9)    		 358 343 100LL
    43.1 Harvey Field Airport
    (S43)    		 39 24 100LL, Jet A
    44.6 First Air Field Airport
    (W16)    		 45 30 100ll
    47.4 Sequim Valley Airport
    (SQV W28)    		 340 325 100LL
    52.1 Bowerman Field Airport
    (HQM KHQM HQM)    		 244 229 100LL, Jet A
    52.7 Ed Carlson Meml Field/South Lewis County Airport
    (TDO KTDO TDO)    		 180 165 100LL
    54.0 Delaurentis Airport
    (ODW KOKH OKH)    		 4 349 100LL

    Notices to Airmen (NOTAMS)

    NOTAMs

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    Remarks

    A110-1 RY ELEV INCREASED 74 FT TOWARD EAST.
    A110-2 FOR CD CTC SEATTLE APCH AT 206-214-4794.
    A33-07/25 THE FIRST 100 FT ON EAST END IS ASPH AND THE FIRST 200 FT ON WEST END IS TURF.
    A50-07 ONLY RY 07 IS USEABLE FOR LNDG.
    A52-25 DUE TO RY SLOPE AND OBSTNS, NO LNDGS ON RY 25.

    Runways

    Runway Summary

    Runways: 07/25
    Longest Runway: 07/25 is 1200 ft (366 m) long
    Runways with an Instrument Approach:

    WT77 Airport Runway Details

    Runway 07/25  1200 ft x 20 ft (366 m x 6 m)
    Surface:  Turf - Good condition - No special surface treatment

    Runway 07

    Runway 25
    Glide Path Angle: 
    		 0.0 degrees 0.0 degrees
    Runway Markings Type: 
    		 Basic
    Runway Markings Condition:
    		Good
    Object at End: 
    		 TREES
    Object Height: 
    		 100
    Distance from End: 
    		 30

    Services

    Airframe Repair: 
    		 None
    Powerplant Repair: 
    		 None
    Bottled Oxygen: 
    		 None
    Bulk Oxygen: 
    		 None
    Fuel Available: 
    		 100LL
    Landing Fees: 
    		 Yes
    Parking: 
    		 Tiedowns available

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    Maps & Diagrams

    WT77 Sectional

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    WT77 Diagram


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