NDT inspection cost in Spokane: Liquid Penetrant Testing rates
Field-anchored pricing guide for PT (Liquid Penetrant Testing) and the other five common NDT methods in Spokane, WA. Rates are quoted in USD per hour and reflect the Tier-2 labour band that applies across pacific northwest markets.
Kaiser Trentwood rolls aerospace-grade plate on Nadcap surveillance — a UT plate-inspection Level III rotation gap and Boeing/Airbus deliveries miss a heat-treat batch.
Low band
$175
per hour · routine scope, full-day crew
Typical
$325
per hour · most jobs land here
High band
$525
per hour · turnaround / night shift / rope access
Capillary-action surface flaw detection on non-porous materials per ASTM E165 / E1417.
PT is comparable to MT on cost. The cost shifts upward on aerospace fluorescent (Type I) procedures where qualified consumable lot tracking, controlled-light booth, and AMS 2644-rated penetrants add overhead.
Spokane's industrial substrate — Defense (Fairchild AFB), Aerospace components, Aluminum (Trentwood) — pulls NDT scopes onto recurring sites including Fairchild Air Force Base (KC-135 hub) and Kaiser Aluminum Trentwood. The local contractor pool prices against FAA / NAVAIR acceptance criteria, which requires Level II / III certified personnel and traceable instrument calibration. That floor — not raw wage data — is what sets the band.
The Tier-2 multiplier (×1.00 applied to the national PT base band) accounts for local cost of living, procurement competition, and the documentary overhead that FAA / NAVAIR imposes. PT programmes in Spokane have historically clustered around the typical rate of $325 per hour, with turnaround and outage premiums pushing toward the high band.
Recurring industries pricing against this band:
Named operators / sites: Fairchild Air Force Base (KC-135 hub), Kaiser Aluminum Trentwood, Triumph Composite Systems Spokane.
Crew rotation length
Multi-day mobilisations in Spokane amortise travel and per-diem across more billable hours, lowering the per-hour rate. Single-day call-outs sit at the high band.
Access and rigging
Rope access, scaffold, or confined-space entry add 15–35% to the base rate. Defense (Fairchild AFB) sites in Spokane often require all three.
Shift premium
Night shift, weekend, and turnaround windows in Spokane typically carry a 25–40% premium on the base hourly rate.
Acceptance criteria
FAA / NAVAIR acceptance criteria require Level II / III sign-off, which prices above structural-weld AWS D1.1 work.
Equipment specification
Standard visible-dye PT is the cheapest band; aerospace fluorescent PT carries 30–50% premium.
Programme volume
Multi-asset programmes at sites like Fairchild Air Force Base (KC-135 hub) typically negotiate volume discounts of 8–15% off the typical rate.
Mobilisation distance
Remote pacific northwest sites add a per-trip mobilisation charge ($350–$1,500 depending on travel distance from Spokane).
Documentation depth
Full digital scan packages with audit-grade traceability cost 10–20% more than basic written report deliverables, and are required at FAA / NAVAIR sites.
- 1.Plan PT scopes against the pacific northwest turnaround calendar to avoid rush premiums.
- 2.Batch multiple assets at the same site (e.g. Fairchild Air Force Base (KC-135 hub)) to amortise mobilisation across more billable hours.
- 3.Provide detailed component specs and accessibility info up-front — vague RFPs price high to absorb uncertainty.
- 4.Standardise on a single contractor for programme work; spot-buys carry a 10–20% premium.
- 5.Where PT is interchangeable with another method (RT ↔ PAUT, MT ↔ PT), price both before committing.
- 6.Verify Level II / III currency before quote — re-mobilisation for an expired cert is unbillable to the asset.
- •Stainless and non-ferromagnetic weld surface inspection
- •Aerospace component fluorescent PT (AMS 2644)
- •Forging and casting acceptance
Method
Liquid Penetrant Testing
Abbreviation
PT
Labour band
Tier 2 (×1.00)
Code authority
FAA / NAVAIR
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Request a quotePricing caveat
The numbers above are field-anchored ranges, not a quote. Actual Spokane rates vary with scope, accessibility, shift, and contractor utilisation. Always solicit at least three quotes before committing programme spend.