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PH-1
Photo: US Navy photo · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
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PH-1

Intelligence / Recon Aircraft · United States · 1931
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PH-1

PH-1
PH-1 Photo: US Navy photo · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
MASS (Military Archive Scoring System) 32
* Absolute score — assessed within category · no era adjustment
Sensor Capability
30
Endurance
40
Operating Altitude
35
Range
50
Stealth / Survivability
10
Data-Link
0
Coverage
45
Persistence
40
Technology
20
Cost-Effectiveness
70
Methodology ↗ → Intelligence / Recon Aircraft ranking
Origin United States
ManufacturerHall Aluminum Company
CategoryIntelligence / Recon Aircraft
EraInterwar Period
In service1931–1937
Operators1 countries
Quantity9
⬇ Overview
⚙ Specs
⊕ History
⊕ Variants
⊕ Operators
⚖ MASS Score
📚 Sources
Data Quality84%
MASS(Military Archive Scoring System)
⊟ Intelligence / Recon Aircraftranking ↗methodology ↗
32
Intelligence / Recon Aircraft MASS Rating
20/135
Interwar Period
155/419
All-Time
Intelligence / Recon Aircraft · 10 axes scored
Sensor Capability
30
Endurance
40
Operating Altitude
35
Range
50
Stealth / Survivability
10
Data-Link
0
Coverage
45
Persistence
40
Technology
20
Cost-Effectiveness
70
ⓘ Regardless of era, the same scoring system applies to all units in the intelligence / recon aircraft category.
01 / Overview
PH-1
Category
Intelligence / Recon Aircraft
Country
United States
Prime contractor
Hall Aluminum Company
Production
1931–1937
Quantity
9
Operators
1 countries
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
INTELLIGENCE / RECON AIRCRAFT · INTERWAR PERIOD
20
PERFORMANCE/PRICE
68
UNIT COST (2025 USD)
—
MASS SCORE ↗
32
intelligence / recon aircraft category
ⓘ Performance/Price and MASS score are computed across all units in the intelligence / recon aircraft category, regardless of era.
02 / Specs & Design
◎General6MOD.6
  • Base AirframeHall PH
  • Mission TypePatrol, Search and Rescue
  • Service Entry Year1931
  • Flight Crew6
  • Mission Crew4
  • In ServiceYes
◈Powerplant2MOD.2
  • Engine TypeWright R-1820-86 radial engine
  • Number of Engines2
▣Performance4MOD.4
  • Cruise Speed219 km/h
  • Service Ceiling5,180 m
  • Range3,124 km
  • Endurance12
◇Mission Systems9MOD.9
◆Armament (ASW/Strike)3MOD.3
▤Dimensions3MOD.3
  • Length15.54 m
  • Wingspan22.2 m
  • Max Takeoff Weight7,342 kg
⬢Production2MOD.2
  • Total Built9
  • Operators2
▲Service History4MOD.4
  • Retirement Year1937
  • Production Start1931
  • Production End1937
  • Operational StatusRetired
03 / History
SERVICE LIFESPANRetired
  1. 1931Production started
  2. 1937Production ended
95
years in service
6
years in production
9
units produced
0
countries operating
ⓘ 1 countries retired it.
04 / Variants
▚ WEAPON FAMILY
Hall PH 1931
PH-1 1931
05 / Operators
Operator Countries1country
United StatesRETIRED
Intelligence / Recon Aircraft Interwar Period United States Hall Aluminum Company variant
📚 Sources
📖 ENCYCLOPEDIA Browse the Intelligence / Recon Aircraft entry →